Dynamsoft Codepool: SDK Tutorials and Sample Code for Developers

This benchmark scores two browser barcode readers — the open-source zxing-wasm package (3.1.2, the ZXing-C++ core compiled to WebAssembly) and Dynamsoft Barcode Reader (dynamsoft-barcode-reader-bundle 11.4.3000) — on 7,894 deduplicated images drawn from BarBeR, a public real-world barcode dataset. Every decode result ships with the project so any reviewer can re-check...

This benchmark scores two pip-installable Python barcode readers — the open-source ZXing-C++ Python package (zxing-cpp 3.1.1) and Dynamsoft Barcode Reader (Capture Vision 3.6.1000 bundle, DBR engine 11.6.10.8373) — on 7,894 deduplicated images drawn from BarBeR, a public real-world barcode dataset. Every decode result ships with the project, so any reviewer...

Dynamsoft Barcode Reader Python 11.6.1000 ships three features that matter in production: PDFRM_MULTIMODAL extracts barcodes directly from PDF vector, text, and embedded-image content instead of rasterizing whole pages; barcode decoding now runs breadth-first across threads so valid results come back sooner; and a new LayoutAnalyzer API organizes dense barcode grids...

Choosing an MRZ (Machine Readable Zone) SDK for passport and ID scanning is hard to do from marketing pages alone — you need exact-match accuracy and latency numbers on a realistic dataset. This project is a browser-based benchmark app built with JavaScript, Dynamsoft Capture Vision 3.4.3000, and Scanbot Web SDK...

An auditable C++ barcode benchmark must give every reader the same pixels, ground truth, format policy, and timing boundary. This project compares ZXing-C++ with Dynamsoft Barcode Reader on 7,894 unique images from the public BarBeR dataset and preserves every raw result for independent review. What you’ll build: A reproducible Windows...

When you need to decode barcodes and QR codes in a PHP Laravel application, you cannot call a C++ SDK directly from PHP without extra work. This tutorial shows how to bridge PHP and the Dynamsoft Capture Vision SDK through a standalone Python service, avoiding compiled PHP extensions and keeping...

Digitizing paper documents from a webcam usually means fighting with skewed angles, poor lighting, and manual cropping. This project is a production-style desktop scanner app that detects document boundaries in real time, corrects perspective distortion, and exports the results as PDFs, individual images, or stitched long images. The app is...

Building an MRZ recognition pipeline is only half the battle. You also need to know how it performs across real-world capture conditions, and you need a dataset whose ground truth matches the pixels being scored. This tutorial walks through a Python benchmark that evaluates the Dynamsoft Capture Vision SDK on...

Low-resolution barcode images, low-light warehouse photos, and glare from glossy labels are common causes of barcode scanning failures. The practical question is not only “which barcode reader is most accurate?”, but also “when should I tune the DBR template, and when is the image too degraded to recover?” This tutorial...

Capturing documents in the browser — from a physical scanner, a webcam, or an uploaded file — and then pushing them straight to cloud storage is a workflow many business apps need, but few SDKs support end-to-end. Dynamsoft Document Viewer (DDV) v4 handles the viewing, annotation, and export side, while...

If you’re wondering how to choose a document capture solution for digitizing paper records, the answer depends on four factors: volume, document type, user location, and integration architecture. A high-speed production scanner that processes 200 pages per minute may be overkill for a small office digitizing a few contracts a...

Teams that work with contracts, invoices, forms, and evidence need more than a passive viewer. They need a browser app that can assemble pages from PDFs, image files, and scanners, annotate the result, remove pages, and export a finished document, all without uploading sensitive files to a server. This tutorial...

Paper documents still enter desktop workflows through scanners, but many sample apps stop at acquisition and never connect the pages to a practical OCR workflow. This project fills that gap with a Windows desktop application that scans documents through Dynamic Web TWAIN Service, runs local layout analysis, and lets users...

Retail checkout is unforgiving: a scanner that misreads a UPC, chokes on a wrinkled GS1-128 logistics label, or stalls on a loyalty QR code slows every lane in the store. Choosing the right barcode reader means matching the symbologies, platform, and decode reliability that a point-of-sale (POS) terminal actually needs....

Who provides API access for custom document capture workflows? Dynamsoft’s Dynamic Web TWAIN Service exposes a fully documented REST API that any application — web, desktop, or mobile — can call to control physical TWAIN, ICA, SANE, and WIA scanners over HTTP. Unlike proprietary scanner drivers that lock you into...

Answer sheets, notebooks, and worksheet pages often carry two identifiers at once: a QR code for machine lookup and a printed page number for human ordering. This Python desktop app reads both from the same fixed-layout page image by combining barcode decoding and OCR inside Dynamsoft Capture Vision, then shows...

Passports and national ID cards carry Machine Readable Zones (MRZ) — standardized text lines that encode holder identity, document numbers, and expiry dates. Reading these zones reliably from a mobile camera is critical for border control, hotel check-in, and KYC workflows. This tutorial walks through building a SwiftUI iOS app...

Choosing the right cross-platform framework for a mobile barcode scanning app means weighing API ergonomics against rendering performance and developer experience. This article compares React Native, Flutter, and .NET MAUI side by side on Android and iOS, each integrated with the Dynamsoft Capture Vision SDK, to show how they differ...

This project builds a SwiftUI document scanner for iPhone and iPad that captures pages from the camera, stabilizes the detected document quad, and lets users review, edit, and export the final scan set. It uses Dynamsoft Capture Vision on iOS, so the same camera feed powers auto capture, manual fallback...

Identity verification workflows — from airport check-in to hotel registration — still rely heavily on manual data entry from physical travel documents. Automating MRZ (Machine-Readable Zone) scanning eliminates typos, speeds up onboarding, and keeps sensitive data on-device. The Dynamsoft Capture Vision SDK bundles document detection, text recognition, code parsing, and...

Passport onboarding, hotel check-in, and KYC flows usually need more than plain OCR. You need MRZ parsing, document localization, and a reliable portrait crop from the same capture pipeline, ideally in the browser without shipping data to a server. This sample uses Dynamsoft Capture Vision on the web to read...

SharePoint is a web-based collaboration and document management platform developed by Microsoft. It is commonly used by organizations to create internal websites (often called “intranets”), store and share files, and manage content and business processes. SharePoint pages are made up of Web Parts — reusable components you can add without...

Default barcode presets are designed for broad coverage, not for every extreme image you will see in production. When a symbol is tiny, low-contrast, tightly cropped, or surrounded by distracting texture, the right fix is usually not to keep randomizing parameters. A better approach is to let AI follow a...

Choosing the right deployment platform for a barcode scanning feature — browser, Android app, or desktop — often comes down to accuracy on real-world images. This benchmark runs Dynamsoft Barcode Reader SDK against the same annotated challenging-image dataset on all three platforms (JavaScript/Web, Android/Java, Python/Desktop) using identical scan templates, making...

This index provides a centralized view of Codepool’s benchmark and evaluation content across diverse symbologies, platforms, and real-world scanning scenarios. What you’ll build: A short list of the most relevant Codepool benchmark pages to review before choosing a barcode or MRZ stack for your project. Key Takeaways If you need...

Evaluating the accuracy of a barcode SDK requires clean, human-verified ground-truth data — but building that dataset by hand is slow and error-prone. Running two independent engines in parallel, comparing their outputs automatically, and letting a developer resolve discrepancies is a far more efficient approach. This tutorial shows how to...

Developers integrating barcode scanning into iOS apps have several viable options — Dynamsoft Barcode Reader (commercial), Google ML Kit (free), Apple Vision (native), and ZXing-CPP (open source) — each with different accuracy, speed, and format coverage characteristics. This article walks through building a SwiftUI benchmark app that runs all four...

Extracting structured data from barcodes, passports, and physical documents typically demands separate native implementations for every platform. The Dynamsoft Capture Vision SDK bundles barcode reading, MRZ recognition, and document detection into one JavaScript-callable API, and .NET MAUI Blazor lets you host that API inside a cross-platform BlazorWebView — giving you...

Reading barcodes and QR codes on the server side is a common requirement for document processing, inventory systems, and logistics applications. With the Dynamsoft Barcode Reader SDK and ASP.NET MVC 5 on .NET Framework 4.8, you can add accurate, multi-format barcode decoding to a web application in a few focused...

Paper forms, receipts, and ID cards are still part of many mobile workflows, but camera captures are often skewed, low quality, or inconsistent. This project solves that by combining real-time document detection, perspective correction, and multi-page export in one Flutter app. It runs on Android and iOS using the Dynamsoft...

Scanning physical documents with a phone or laptop camera—and getting a clean, de-skewed result instantly—is a common requirement in expense-management, healthcare, and contract-signing workflows. The Dynamsoft Capture Vision SDK handles the heavy lifting (boundary detection, perspective normalization) entirely in the browser via WebAssembly, so no server-side component is needed. What...

Scanning physical documents with a phone camera sounds simple until you deal with skewed angles, inconsistent lighting, and multi-page workflows. The Dynamsoft Capture Vision SDK for Android handles real-time document boundary detection, perspective correction, and image normalization — letting you focus on the user experience instead of low-level image processing....

Starting with Dynamsoft Barcode Reader JavaScript Edition v11.4, the Foundational API built on CaptureVisionRouter is the primary and recommended barcode scanning API. BarcodeScanner remains available in v11.x for backward compatibility but is no longer part of the default bundle and will not receive new features. This post explains what changed,...

Verifying travel documents manually is error-prone and slow. The Machine Readable Zone (MRZ) printed on passports, ID cards, and other ICAO-compliant travel documents encodes all key identity fields in a structured, machine-readable format — but extracting it on mobile requires both an accurate OCR engine and a live camera pipeline....

Turning a phone camera into a reliable document scanner requires accurate edge detection, perspective correction, and clean image output — all in real time. The Dynamsoft Capture Vision React Native SDK handles the heavy lifting, letting you ship a cross-platform document scanner for Android and iOS without writing any native...

Choosing between AI coding assistants is hard when you can only test one at a time. Developers who have Qwen Code, GitHub Copilot CLI, OpenCode, and Gemini CLI installed need a fast way to send the same prompt to all of them and read the results in parallel. This project...

Document scanning software needs to handle skewed, perspective-distorted pages captured from any angle — a problem that trips up many image-processing pipelines. This tutorial walks through a Java Swing desktop application that combines the LiteCam camera library with the Dynamsoft Capture Vision SDK (DDN) v3.4.1000 to detect document borders in...

Passport control kiosks, hotel check-in systems, and border verification software all rely on fast, accurate Machine-Readable Zone (MRZ) parsing from travel documents. Building that capability from scratch—reliable OCR, field validation, and live camera integration—is non-trivial. The Dynamsoft Capture Vision SDK exposes a single CaptureVisionRouter.capture() call that handles the full pipeline,...

Mobile document scanning has become a baseline feature for productivity apps — think expense reports captured from receipts, signed contracts photographed in a meeting room, or ID documents registered at a service counter. Building such a feature from scratch, handling perspective correction, edge detection, and multi-format export, is a significant...

Machine Readable Zone (MRZ) scanning is a critical feature in identity verification, border control, hotel check-in, and know-your-customer (KYC) workflows. Passports and ICAO-compliant ID cards embed personal data in two or three lines of OCR-B printed text at the bottom of the data page — the MRZ. A mobile app...

The Dynamsoft Capture Vision Bundle is a single NuGet package that bundles three powerful vision capabilities: Dynamsoft Barcode Reader (DBR), Dynamsoft Document Normalizer (DDN), and Dynamsoft Label Recognizer (DLR) with MRZ parsing support. All capabilities are exposed through a single unified CaptureVisionRouter API. In this tutorial, we will build a...

Modern web applications increasingly need to capture and process identity documents, QR codes, and barcodes directly in the browser. The Dynamsoft Capture Vision (DCV) SDK provides vision pipelines for barcode reading, MRZ (Machine-readable Zone) recognition, and document boundary detection—all running client-side in WebAssembly. This tutorial shows you how to build...

Web-based vision SDKs are an excellent fit for Electron: they run entirely in a Chromium renderer process, require no native add-ons, and can be distributed as a self-contained desktop application for Windows, macOS, and Linux. The Dynamsoft Capture Vision (DCV) SDK uses WebAssembly under the hood, which makes it a...

This article demonstrates how to build a desktop application that scans physical documents and reads barcodes from them — all within a single Python window. The application combines PySide6 for the native UI, Dynamic Web TWAIN (DWT) for scanner integration, and Dynamsoft Barcode Reader for barcode decoding. DWT is a...

Dynamsoft Barcode Reader SDK v11, part of the Dynamsoft Capture Vision (DCV) framework, brings a major architectural upgrade for building barcode and QR code scanning applications on desktop, mobile, and web platforms. The v11 C++ SDK introduces the CCaptureVisionRouter as the central orchestration engine. As an enterprise-class C++ barcode and...

Build a professional PySide6 desktop application that reads Machine Readable Zones (MRZ) from passports and ID cards, extracts the portrait zone, and overlays document boundaries in real time using the Dynamsoft Capture Vision SDK. The SDK’s "ReadPassportAndId" template detects MRZ text, parses structured identity fields, and locates the portrait zone...

Modern enterprises process thousands of documents daily—from shipping labels and invoices to medical records and ID cards. Manual document processing is slow, error-prone, and doesn’t scale. The question is: how does bulk document scanning simplify large-scale data management for enterprises? The answer lies in automation — replacing human cropping, rotating,...

When building Android applications that require barcode scanning capabilities, developers have several SDK options to consider. Two commonly used solutions are Google ML Kit Barcode Scanning and Dynamsoft Barcode Reader. ML Kit is a free, general-purpose machine learning SDK from Google, while Dynamsoft Barcode Reader is a commercial SDK specialized...

When dealing with bulk document scanning, one of the biggest challenges is making scanned documents searchable and organized. Unlike digital-born documents, scanned images are essentially pictures—you can’t search them, copy text from them, or organize them by content. This is where Optical Character Recognition (OCR) becomes invaluable. What You’ll Build...

In today’s digital workplace, the ability to quickly scan, process, and understand documents is crucial. Whether you’re digitizing invoices, processing legal documents, or managing medical records, having an efficient document workflow can save hours of manual work. When it comes to digitizing large volumes of documents, the challenge isn’t just...

Large Language Models (LLMs) like Claude and GitHub Copilot are revolutionizing how developers write code. However, they face a critical limitation: they’re trained on data with knowledge cutoffs, meaning they lack information about: Latest SDK versions and their breaking changes Actual working code examples from official repositories Platform-specific implementations (Android...

Augmented reality (AR) enhances our physical environment by overlaying digital information in real time. This technology transforms traditional barcode scanning from a simple data capture task into an intuitive spatial experience. Imagine walking through a warehouse where AR markers precisely identify each item’s location, or managing hospital supplies with visual...

Machine Readable Zone (MRZ) recognition is a critical feature in applications that require scanning and processing identity documents, such as passports and visas. On Android devices, implementing accurate MRZ recognition can significantly enhance the efficiency and user experience of such apps. In this article, we will explore how to build...

US driver’s licenses store personal information using PDF417 barcode symbology according to the American Association of Motor Vehicle Administrators (AAMVA) specification. This comprehensive guide shows you how to build a production-ready Android driver’s license scanner app with camera resolution options (720P/1080P) to compare scanning performance between Dynamsoft Capture Vision and...

In today’s digital world, automating document processing has become essential for businesses across various industries. Whether you’re building a hotel check-in system, airport kiosk, identity verification platform, or government service portal, the ability to quickly and accurately extract information from passports and ID cards can significantly improve user experience and...

Organizations of all sizes face a common challenge: efficiently managing the vast documents that power their operations. Manual data entry is a persistent bottleneck—time-consuming, error-prone, and costly—that hurts productivity and increases expenses. Optical Character Recognition (OCR) technology solves this by converting scanned documents into fully searchable, editable text for modern...

In today’s digital world, we often need to convert, merge, and edit documents from various sources. Whether you’re working with PDFs, Word documents, images from your phone, or scanned documents from a physical scanner, having a unified tool that handles all these formats is invaluable. In this tutorial, we’ll build...

Building desktop applications that interact with hardware devices like scanners and cameras has traditionally been challenging, often requiring platform-specific driver installations, complex configuration, and dealing with vendor-specific SDKs. Modern .NET development, however, provides us with powerful frameworks and libraries that simplify these interactions significantly. In this comprehensive tutorial, we’ll walk...

Imagine this scenario: An operator at an insurance firm has just spent 20 minutes scanning a 500-page claim file. Suddenly, the browser freezes and crashes due to memory exhaustion. All that work is lost instantly. For developers building web-based document management systems, this is a nightmare. Browsers like Chrome and...

As AI coding assistants become increasingly popular, developers face a critical question: Which AI agent provides the most accurate and up-to-date code? This article documents a comprehensive experiment testing five major AI coding agents and how to solve their knowledge limitations. What you’ll build: A custom AI agent definition that...

In the world of Python barcode scanning, developers have several options to choose from, including ZXing, ZBar, and the Dynamsoft Barcode Reader. Each of these libraries offers unique strengths, catering to different needs and environments. ZXing and ZBar are popular open-source options, known for their community-driven development and flexibility. On...

SANE is an API to access document scanners, which is mainly used in UNIX systems. It has several advantages over TWAIN (another document scanning API that is mainly for Windows): TWAIN does not separate the user-interface from the driver of a device. This, unfortunately, makes it difficult, if not impossible,...

Barcode and QR code scanning is essential for many workflows—from inventory management and product research to accessing promotional content and document processing. While mobile apps dominate this space, a browser extension offers unique advantages: it’s always available during web browsing without app switching, can extract barcodes directly from web pages...

Machine Readable Zone (MRZ) codes are standardized text fields found on passports, ID cards, and visas that enable automated document verification. If you’re developing document or identity–related scanning tools, you often need realistic test data. In this tutorial, we’ll build a Chrome extension that generates mock MRZ codes for various...

A barcode or QR Code generator can be incredibly useful for quickly sharing links, managing inventory, or encoding information. In this tutorial, we’ll walk you through building a Chrome extension that generates both 1D and 2D barcodes from the current webpage URL or user-inputted text. What you’ll build: A Manifest...

The Dynamic Web TWAIN service is the local bridge between browser applications and scanners. The first time a user visits a web scanning app built with Dynamic Web TWAIN, they’re prompted to install this service so scanning can work. In some scenarios, you may want tighter control: ship the service...

Document scanning applications are essential for modern businesses, yet building them from scratch is often time‑consuming and complex. In this tutorial, we will explore how to use Claude Sonnet 4 (Claude AI agent) to quickly and efficiently create a professional web document scanning application with the Dynamic Web TWAIN SDK....

When evaluating barcode scanning SDKs, you’ll often encounter bold marketing claims: “Scans barcodes from 5 meters away!” or “Industry-leading long-distance scanning!” But here’s the truth that vendors don’t want you to know: distance alone is a meaningless metric. In this article, I’ll show you how to build an iOS app...

On October 14, 2025, Dynamsoft unveiled its most significant leap in computer vision yet — the AI-powered Dynamsoft Capture Vision (DCV) 3.2.1000. This release introduces groundbreaking deep learning models that transform how 1D barcodes and MRZs are detected and decoded, pushing the boundaries of accuracy, performance, and real-world reliability. You...

When working with barcode detection in real-world applications, developers often encounter scenarios where standard settings fall short. Images with poor lighting, low quality, skewed angles, or complex backgrounds can make accurate detection extremely challenging. Dynamsoft Barcode Reader offers a robust set of parameters that can be fine-tuned to optimize performance...

When scanning barcodes in production (warehouse, logistics, healthcare, retail), image quality issues like blur, motion, glare, low contrast, or physical damage can cause even strong barcode algorithms to fail. Fortunately, most linear (1D) barcodes also include human-readable text. That text becomes a powerful assist layer: if the barcode fails, OCR...

In the rapidly evolving world of software development, SDK providers frequently release new versions with performance improvements, bug fixes, and enhanced features. However, developers often struggle to quantify the actual benefits of upgrading to newer versions. In this article, we’ll take Dynamsoft Capture Vision SDK as an example to explore...

Document scanning workflows often involve processing multi-page documents that contain separator pages or blank pages used for organizational purposes. Manually identifying and removing these blank pages while splitting documents can be time-consuming and error-prone. In this tutorial, we’ll explore how to implement intelligent document splitting using Dynamic Web TWAIN’s powerful...

Apple’s vision framework provides APIs for performing computer vision tasks such as face detection, document boundary detection, and text extraction. In this tutorial, we’ll explore how to leverage these APIs and Dynamsoft MRZ SDK to build a robust iOS ID scanner app. What you’ll build: A SwiftUI iOS app that...

HTML offers several ways to embed PDF files so users can view and edit them directly in the browser, from native <iframe> tags to JavaScript libraries that provide a consistent cross-browser experience. This article compares native HTML elements, server-side conversion, and JavaScript PDF viewers so you can choose the right...

In today’s rapidly evolving digital landscape, IP camera systems have become the backbone of numerous industries requiring real-time monitoring, automation, and data capture. In this article, we will explore how to turn a USB camera into an IP camera for remote monitoring, as well as how to implement a GUI...

Java does not provide a built-in cross-platform camera API. This tutorial uses a JNI wrapper around the lightweight LiteCam C++ SDK to capture camera frames, then decodes them with either ZXing or Dynamsoft Barcode Reader. You will build a complete barcode scanning solution — from CMake build and JNI binding...

Qt is a cross-platform C++ framework for developing applications with graphical user interfaces (GUIs). In this tutorial, you’ll learn how to create a robust, production-ready Qt C++ barcode scanner integration using Qt 6.7.2, Microsoft Visual C++ (MSVC), C++17, and the Dynamsoft Barcode Reader C++ SDK on Windows. The app decodes...

Since version 17.1, Dynamic Web TWAIN has supported Chrome OS, in addition to Windows, Linux, macOS, and Raspberry Pi OS. This guide applies to versions 17.1 through 19.x. It covers installation, version-specific package names, and post-installation configuration such as certificate handling and host settings. What you’ll build: A fully functional...

In today’s digital workplace, document scanning and text recognition are vital capabilities for many business applications. In this tutorial, you’ll learn how to build a Windows document scanner application with Optical Character Recognition (OCR) using: .NET 8 C# Dynamic Web TWAIN REST API Windows.Media.Ocr API (Windows built-in OCR engine) By...

In the digital age, PDFs are one of the most common formats for sharing and archiving documents. They preserve layout, fonts, and images across platforms. However, not all PDFs are created equal. While many contain actual text data, others—especially scanned documents—are essentially just images wrapped in a PDF container. This...

Building a web-based OCR (Optical Character Recognition) application has never been easier with modern JavaScript libraries. In this comprehensive tutorial, we’ll create a powerful OCR app that can process images, multi-page TIFFs, and PDFs, converting them into searchable PDF documents - all running entirely in the browser with free tools....

A modern web-based document management application is essential for organizations looking to digitize their paper-based workflows and streamline document processing. In this tutorial, we’ll build a professional document management application that demonstrates the four core features essential for modern document processing: scan, split, merge through drag-and-drop, and save as PDF....

AI agents are transforming software development by empowering developers to build complex applications through iterative development, debugging, and optimization. These agents can analyze requirements, propose architectures, generate code, and even troubleshoot issues—dramatically accelerating the development lifecycle. In this tutorial, we’ll explore how to leverage Claude Sonnet 4 to build a...

Command-line document scanning lets you automate and script scanner access across Windows, macOS, and Linux. The main scanner APIs differ in platform support and feature depth, as shown in the comparison below. Feature TWAIN WIA (Windows Image Acquisition) SANE (Scanner Access Now Easy) ICA (Image Capture Architecture) eSCL Developer TWAIN Working Group Microsoft...

A production-ready MRZ scanner app can be a powerful tool for businesses and organizations. It automates the process of scanning MRZs from passports and ID cards, detects faces, captures document images, and exports results to PDF. In this tutorial, we’ll walk through how to implement these features in an Android...

Driver’s license scanning has become essential for identity verification, age validation, and automated data entry across various industries. With Dynamsoft’s powerful computer vision APIs, web developers can easily build comprehensive driver’s license scanning applications using JavaScript. This tutorial demonstrates two approaches: a foundational implementation for learning core concepts, and a...

Building a barcode scanner app is one thing, but creating an intuitive user experience with real-time visual feedback is what sets great apps apart from the rest. In this comprehensive tutorial, you’ll learn how to enhance the basic Dynamsoft React Native barcode scanner sample by adding dynamic visual overlays that...

The Dynamsoft Python Barcode SDK, now part of the Dynamsoft Capture Vision Bundle, provides APIs for reading 1D and 2D barcodes from various image and PDF files. This tutorial demonstrates how to build both a command-line tool and a GUI application to read barcodes from PDF documents using the Dynamsoft...

Building a seamless document processing experience on the web requires more than just capturing documents. You also need intuitive ways to display and annotate e-documents directly in the browser. In this tutorial, we will walk through integrating two powerful JavaScript libraries from Dynamsoft: Dynamic Web TWAIN for scanning and capturing...

In the world of AI-assisted development, one of the most common frustrations is receiving code based on outdated documentation. AI models are typically trained on static datasets, meaning their knowledge can be months or even years behind. This often leads to suggestions that use deprecated functions, hallucinated APIs, or code...

SEMI (Semiconductor Equipment and Materials International) font is a special dot matrix font used for marking silicon wafers. In this tutorial, we’ll walk through building a Python application to recognize these specialized markings using Dynamsoft Capture Vision SDK. What you’ll build: A cross-platform Python script that loads a custom SEMI...

Barcode generators are essential tools in various scenarios. A typical use case is testing barcode reader and scanner SDKs. In this tutorial, we’ll build a Windows Forms application that can both generate and read barcodes using two popular .NET Barcode SDKs: ZXing.NET and Dynamsoft Barcode Reader. ZXing.NET offers both barcode...

The Dynamsoft Barcode Scanner JavaScript SDK (v10.5) is built on top of the Dynamsoft Capture Vision SDK, providing ready-to-use user interfaces and advanced APIs to simplify the development of web-based barcode scanner applications. In this tutorial, you’ll learn how to: Integrate the SDK into your HTML5 + JavaScript app Scan...

A mobile document scanner app typically includes features such as document capture, editing, and saving as PDF files. Since we’ve already created a web application with similar functionality using HTML5, JavaScript, and the Dynamsoft Document Viewer SDK,we can integrate that web app into an Android/iOS WebView to quickly develop mobile...

The Dynamsoft MRZ Scanner JavaScript SDK is a powerful, high-level wrapper built on top of the lower-level Dynamsoft Capture Vision API, designed to help developers add Machine Readable Zone (MRZ) recognition to any web application with ease. It is open-source and provides a clean and customizable API for scanning MRZ...

Modern web applications increasingly require advanced image processing capabilities. Technologies like barcode detection, Machine Readable Zone (MRZ) recognition, and document rectification have become essential across industries from retail checkout systems to airport passport scanners and digital document management solutions. This comprehensive guide demonstrates how to implement all three capabilities in...

Starting from .NET 9, there is a new HybridWebView control in MAUI which makes it easy to host arbitrary HTML/JS/CSS content in a web view, and enables communication between the code in the web view (JavaScript) and the code that hosts the web view (C#/.NET). In this article, we are...

GS1 is a global organization that develops and maintains supply chain standards, including barcode formats. Its system is widely adopted across industries to identify products, logistics units, locations, and more. A key part of this system is the GS1 Application Identifier (AI) — a standardized prefix that specifies the type...

FastAPI is a modern, async-ready Python web framework for building APIs. It wraps low-level ASGI (Asynchronous Server Gateway Interface) interfaces and is built on top of Starlette and Pydantic. The combination of FastAPI and Uvicorn is ideal for creating high-performance web applications. In this article, you’ll learn how to build...

Dynamic Web TWAIN Service is the core component of the Dynamic Web TWAIN SDK. It enables you to acquire documents from document scanners over a local network using REST API. This API overcomes the limitations of traditional browser-based scanning solutions by allowing you to capture documents from scanners connected to...

In office environments, network-connected physical document scanners from manufacturers like HP , Canon , Epson , and Brother often support protocols such as ESCL (AirPrint) or ICA (Image Capture). However, for scanners that do not natively support these protocols, you can use third-party services like Dynamic Web TWAIN to enable...

Using a phone to scan and print (copy) documents is ideal for convenience, portability, and quick tasks, making it a versatile and practical choice for many users. In this article, we are going to build a web app to scan and print a document on a mobile phone. The following...

Apple provided a sample project demonstrating how to create a virtual scanner device a long time ago. The last revision was on June 12, 2012. In this article, we build a modernized fork of that sample that compiles with the latest Xcode on macOS Sequoia, ships build/install scripts, bundles multiple...

vCard, also known as VCF (“Virtual Contact File”), is a file format standard for electronic business cards. The following is an example of the content of a vCard file: BEGIN:VCARD VERSION:4.0 FN:Simon Perreault N:Perreault;Simon;;;ing. jr,M.Sc. BDAY:--0203 GENDER:M EMAIL;TYPE=work:simon.perreault@viagenie.ca END:VCARD Widely used in business and personal networking, vCards can be shared...

The font used in the Machine Readable Zone (MRZ) is called OCR-B, which is standardized and globally unified. In the latest version of the Capture Vision SDK, Dynamsoft has released a new deep learning model for MRZ recognition. The model has been trained on a large dataset of MRZ samples...

.NET MAUI is designed for cross-platform development, but achieving seamless compatibility across all platforms isn’t always straightforward. While developers might assume cross-platform apps are easy to build with .NET MAUI, many existing libraries were initially tailored for Xamarin and remain limited to Android and iOS. Creating a unified .NET MAUI...

A virtual scanner is a software-based solution that mimics the functionality of a physical document scanner. It allows developers and testers to simulate scanning operations without requiring actual hardware, making it an essential tool for testing and development. In this tutorial, we’ll explore how to create a virtual scanner device...

In the previous article, we talked about how to convert an image to black and white with a threshold. It may not work well with images having uneven lighting in tasks like barcode reading. For example, if we convert the following QR code with shadow to black and white with...

Dynamsoft’s ready-to-use iOS barcode scanner framework adds live QR code and barcode scanning to a SwiftUI app through Swift Package Manager, and its open-source component can be customized to override default behavior such as automatic result return. This article is Part 1 in a 1-Part Series. Part 1 - How...

In the previous article, we talked about how to scan barcodes using a USB camera on an Android device. In this article, we are going to scan MRZ (machine-readable zone) on passports and ID cards with Dynamsoft Label Recognizer. Here is a video of the result: What you’ll build: A...

Dynamsoft provides two NuGet packages for .NET MAUI development: Dynamsoft.BarcodeReaderBundle.Maui targets Android and iOS, while Dynamsoft.DotNet.BarcodeReader.Bundle is built for Windows. Use the Windows package with Windows.Media.Capture.MediaCapture to capture live USB camera frames in a .NET MAUI Windows application and decode 1D/2D barcodes in real time with Dynamsoft Barcode Reader. What...

Electron is a framework for building desktop applications using JavaScript, HTML, and CSS. As web technologies have emerged as the best choice for building user interfaces, more and more developers are adopting Electron to build their applications. In this article, we are going to create an Electron desktop app to...

Salesforce Lightning Web Components cannot run Dynamsoft Barcode Reader’s WebAssembly module directly, so this tutorial embeds a barcode scanning page in an iframe and uses postMessage to return scan results to the LWC. Dynamsoft Barcode Reader handles the actual barcode decoding inside the iframe, while the Lightning component manages the...

Document digitization is a common task across various industries. Many documents—such as exam papers, legal contracts, patient records, account statements and more—contain barcodes that store crucial information. This tutorial builds a .NET MAUI Windows app that digitizes documents using traditional scanners (HP, Canon, Epson, etc.) and extracts barcodes from the...

Nuxt is a free and open-source framework with an intuitive and extendable way to create type-safe, performant and production-grade full-stack web applications and websites with Vue.js. In this article, we are going to build a document scanner using Nuxt.js and Dynamic Web TWAIN. It can scan documents via scanners using...

Dynamsoft currently provides only a C++ Barcode SDK for macOS. Previously, we built a macOS barcode scanner by combining Swift, Objective-C and C++. Since modern macOS app development primarily relies on Swift, creating a macOS framework that wraps the C++ Barcode SDK with Objective-C++ can streamline the process of calling...

Handheld camera devices play a big part in the document scanning process as they are more portable, powerful and affordable. However, different from using a document scanner, using a camera imposes challenges like complex backgrounds, variations in light, and perspective distortions. Thus, it is necessary to use a document scanning...

DotCode is two-dimensional (2D) matrix barcode mainly used in the tobacco industry with advantages like the ability to apply the barcode by high-speed industrial printers and other methods like laser engraving. Below is a pack of cigarettes with a DotCode representing its unique identifier. In this article, we are going...

Now that the lightweight C++ camera SDK is complete for Windows, Linux and macOS, we can integrate it into other high-level programming languages. In this article, we will explore how to build a Python camera SDK based on the C++ camera library and use it for multi-barcode scanning with the...

Burning (flattening) annotations means including them as vector graphics in the content of a PDF page, leaving them uneditable. Dynamsoft Document Viewer is a JavaScript SDK for document scanning and viewing, which can add annotations and export PDF files. In this article, we are going to explore how to use...

This is the final article in a series on building a lightweight C++ camera library across multiple platforms. We’ve already covered Windows and Linux, and now it’s time to dive into macOS. In this article, we’ll tap into AVFoundation to handle camera capture under the hood and leverage Cocoa for...

A PDF file can be encrypted, for security, in which case a password is needed to view or edit the contents. Dynamsoft Document Viewer is a JavaScript SDK for document scanning and viewing, which can encrypt and decrypt a PDF file. In this article, we are going to explore how...

Nuxt is a free and open-source framework with an intuitive and extendable way to create type-safe, performant and production-grade full-stack web applications and websites with Vue.js. Build a Nuxt.js 3 barcode and QR code scanner that opens a webcam stream and reads 1D/2D barcodes in real time using Dynamsoft Camera...

In the previous article, we developed a LiteCam library for camera access on Linux. To extend its functionality to Windows, we will leverage the Media Foundation API. This article explores how to use Media Foundation to access the camera on Windows, integrate it with the LiteCam library, and reuse the...

When searching for a camera SDK to develop desktop camera applications on Linux, OpenCV often comes to mind due to its simple APIs for camera access. However, the size of the OpenCV library is big, making it redundant for smaller projects, especially those that only require basic camera functionality. To...

Modern browsers can now access the camera and run image processing to do various computer vision tasks. In this article, we are going to build a Vue.js app to scan document images from a camera and save them into a PDF file. Dynamsoft Mobile Web Capture is used to provide...

Capturing and saving documents, such as receipts, invoices, and contracts, as PDF files is a common requirement for many businesses. In this article, we enhance our web document editor project built with Dynamsoft Document Viewer by adding the capability to detect and save documents as PDFs. The document detection feature...

Image compressing on the browser is a useful operation. It can improve the uploading performance and save the storage. In this article, we are going to talk about how to compress an image with JavaScript using the Dynamsoft Document Viewer SDK. We can compress an image by changing the following...

An e-signature is a digital form of a handwritten signature that allows individuals to sign documents electronically. It has become an essential tool for businesses and organizations to streamline the signing process, enabling documents to be signed in just a few clicks from anywhere in the world. In this article,...

You can extract and read DataMatrix and other 1D/2D barcodes from PDF files in the browser by flattening barcode annotations into raster images with Dynamsoft Document Viewer and decoding them with Dynamsoft Barcode Reader. This HTML5 and JavaScript workflow handles healthcare forms, logistics labels, and other PDF documents that embed...

Modern browsers can now access the camera and run image processing to do various computer vision tasks. In this article, we are going to build a React.js app to scan document images from a camera and save them into a PDF file. Dynamsoft Mobile Web Capture is used to provide...

Drag and drop is a useful feature for managing scanned document images. It allows users to move items from one location to another using a mouse or touch gesture. Dynamsoft Document Viewer is an SDK which provides a set of viewers for document images. In this article, we are going...

Previously, we created a cross-platform SwiftUI project, a 1D/2D barcode scanner app, for macOS and iOS using the Dynamsoft Capture Vision SDK. In this tutorial, we will continue to explore the functionalities of the Capture Vision SDK by building a document scanner app for macOS and iOS using SwiftUI. Utilizing...

An identity document or ID card is any document that may be used to prove a person’s identity. There are various forms of identity documents: driver’s license, passport and formal identity card. Barcodes and MRZ (machine-readable zones) are often printed on an ID card so that its info can be...

In the previous tutorial, we explored how to build a SwiftUI barcode scanner app for macOS using the Dynamsoft Capture Vision C++ SDK. Since SwiftUI is a cross-platform framework supporting both macOS and iOS, and the Dynamsoft Capture Vision SDK provides a Swift Package Manager (SPM) for iOS, it is...

Developing a barcode scanner app for macOS comes with unique challenges, particularly due to the limited availability of barcode SDKs specifically designed for the platform. Fortunately, the Dynamsoft Capture Vision SDK provides a powerful and reliable solution, enabling developers to easily build barcode, MRZ, and document scanners using Python (powered...

Using the getUserMedia API, we can open cameras on the web with JavaScript. It is supported on most browsers and Chrome for Android has additional support for controlling the camera’s zoom, torch, focus, and so on, giving more possibilities for making a camera web app. In this article, we are...

Machine-readable zones (MRZ) are an essential feature for processing passports, IDs, and other travel documents. In this tutorial, we’ll demonstrate how to build an iOS MRZ scanner app using SwiftUI and Dynamsoft Capture Vision SDK. What you’ll build: A native iOS app that uses the device camera to scan and...

You can generate QR codes, PDF417, DataMatrix, and other barcode types in the browser and embed them into PDF documents as permanent annotations using HTML5, JavaScript, bwip-js, and the Dynamsoft Document Viewer SDK. The entire workflow runs client-side, so no server upload or backend PDF processing is required. What you’ll...

Creating a mobile app that scans and decodes Machine Readable Zones (MRZs) is essential for many industries, including travel, security, and identification verification. With .NET MAUI (Multi-platform App UI), developers can build cross-platform applications for Android and iOS using a single codebase, streamlining development and maintenance. In this tutorial, we’ll...

An IP camera, also known as a network camera, is a digital video tool that sends and receives data via the internet. Unlike its analogue predecessor, the CCTV (Closed Circuit TV), it offers the functionality to view live or recorded footage from anywhere, anytime using a web-based platform or mobile...

.NET MAUI simplifies cross-platform app development by enabling a single codebase for multiple platforms. The Dynamsoft Capture Vision MAUI Bundle offers powerful APIs for document scanning, barcode reading, and MRZ recognition. In this tutorial, you’ll learn how to create a .NET MAUI document scanner that can capture, normalize, and share...

A browser-based JavaScript app can clean up scanned documents by applying image filters and repairing punch holes, stamps, or marks with Telea inpainting. This tutorial uses the Dynamsoft Document Viewer SDK to convert scanned pages to black-and-white or grayscale and to reconstruct damaged backgrounds entirely client-side. Apply an image filter....

In many industries, a document scanner app is essential for capturing, editing, and uploading documents such as invoices and receipts to the cloud. By leveraging the Dynamsoft Document Viewer SDK, you can build a Progressive Web App (PWA) document scanner that enables users to capture images, crop them, combine multiple...

Barcode Scanning has become an essential tool across various industries, from retail and logistics to healthcare. On desktop platforms, it enables the quick capture and processing of information without manual data entry, saving time and reducing errors. In this tutorial, we will continue exploring the capabilities of the Dynamsoft Capture...

Machine Readable Zone (MRZ) is a crucial feature adopted in modern passports, visas, and ID cards. It contains essential information about the document holder, such as their name, gender, country code, and document number. MRZ recognition plays a key role in border control, airport security, and hotel check-in processes. Use...

Document detection is a key feature in many modern desktop, mobile and web applications. Recently, Dynamsoft unleashed its Python Capture Vision SDK, which provides a groundbreaking solution for developers working across Windows, Linux, and macOS. While the SDK also supports barcode and MRZ detection, this tutorial will focus on its...

UPC is a type of barcode widely used to identify retail products while EAN is a superset of it adding an extra digit to the beginning. EAN-13 and UPC-A are the common versions while EAN-8 and UPC-E are the less used versions for small packages. An EAN or a UPC...

Dynamsoft Document Viewer is an SDK providing a set of viewers for document images. We can use it to incorporate PDF creating, viewing and annotating into our web apps. In this article, we are going to build a fully functional PDF viewer and annotator with Vue. What you’ll build: A...

Dynamsoft Document Viewer is an SDK providing a set of viewers for document images. We can use it to incorporate PDF creating, viewing and annotating into our web apps. In this article, we are going to build a fully functional PDF viewer and annotator in a React + TypeScript project....

A shipping label is an identification label that displays information about packages. It may contain the following info: Sender and receiver details (name, phone number, address) Tracking number Barcodes for reading the info with machines A standard shipping label is 4x6 inches (10x15 cm). Sample shipping label: In this article,...

Need to scan paper documents directly from a .NET Blazor WebAssembly app? Dynamic Web TWAIN is a JavaScript-based document scanning SDK that supports TWAIN, WIA, SANE, ICA, and eSCL scanner protocols across Windows, macOS, and Linux. This tutorial shows you how to connect a Blazor WebAssembly app to physical scanners...

Machine Readable Zones (MRZ) are vital components of passports, visas, and other identification documents. Typically located at the bottom of a document’s front page, MRZs contain essential information such as the document type, holder’s name, issuing country, and expiration date. In today’s digital landscape, MRZ recognition is an invaluable tool...

Dynamsoft Document Viewer SDK provides a comprehensive set of APIs for viewing and annotating PDFs and images in web applications. By integrating the SDK into your Blazor web app, you can create a powerful document management system with advanced features such as PDF rendering, page navigation, image quality enhancement, and...

Blazor is a powerful framework by Microsoft that enables developers to build interactive web applications using C# instead of JavaScript, bringing the full power of .NET to the browser. While Blazor allows you to write most of your web app in C#, calling existing JavaScript APIs remains an inevitable part...

Need to extract passport, ID, or visa data from the Machine Readable Zone (MRZ) in C++? The MRZ encodes the holder’s name, nationality, document number, date of birth, gender, and expiration date in a standardized format that machines can parse reliably. This tutorial walks you through building a cross-platform desktop...

Dynamsoft Document Viewer is an SDK providing a set of viewers for document images. It has added an annotation feature since v2.0, which makes it easy to create a document scanning solution along with the following SDKs: Dynamic Web TWAIN to access document scanners in the browser. Dynamsoft Document Normalizer...

In today’s digital landscape, web applications often need to handle sophisticated tasks like loading, viewing, and manipulating image files. This article will walk you through building an Angular web application that enables users to load and view image files, add annotations directly to those images, and seamlessly save the annotated...

In today’s digital age, efficient document management is crucial for businesses and individuals alike. Integrating document scanning capabilities directly into web applications can significantly streamline workflows, allowing users to digitize and manage documents with ease. In this tutorial, we’ll explore how to leverage the power of the Dynamic Web TWAIN...

The document-scanner-sdk package provides Python bindings for the Dynamsoft C/C++ Document Scanner SDK v1.x, enabling developers to quickly create document scanner applications for Windows and Linux desktop environments. This article demonstrates how to build a web-based document scanner using Python Flask and the Python Document Scanner SDK. The application allows...

Among the Python barcode SDKs available, only a few support ARM32 and ARM64 architectures. The Dynamsoft Barcode Reader stands out as the premier commercial SDK offering robust 1D and 2D barcode recognition for ARM32 and ARM64 devices. This article guides you through creating ARM32 and ARM64 emulated environments on Windows,...

Pan and zoom is a useful feature for viewing images. We can zoom in the image to see more details and perform image editing. Dynamsoft Document Viewer is an SDK for such a purpose, which provides a set of viewers for document images. In this article, we are going to...

Exchangeable image file format (officially Exif) is a standard that specifies formats for images, sound, and ancillary tags used by digital cameras (including smartphones). It contains metadata like camera parameters, image dimensions, and image orientation. Most camera sensors have a shape where its width is larger than the height. If...

During document scanning, we may need to select multiple images for reordering, retouching, export, etc. It is useful to have a document viewer which supports selecting multiple images. Dynamsoft Document Viewer is an SDK for such a purpose. It provides a set of viewers for documents. In this article, we...

Barcodes are commonly used to identify retail products. We can also use them to mark documents. For example, we may need to scan a batch of forms. Each form contains several pages and there is a barcode on the first page denoting a unique form number. We can use the...

The Dynamsoft Capture Vision SDK (DCV) is a modular and unified SDK that integrates barcode scanning, document detection, MRZ recognition, and more under a single pipeline-based API. One of its key modules is the MRZ scanner, which provides machine-readable zone recognition for passports, visas, and other travel documents. This article...

In .NET MAUI development, both BlazorWebView and WebView are used to display web content, but they serve different purposes and are designed for different scenarios. The BlazorWebView is specifically designed to host Blazor components in a .NET MAUI application, allowing you to reuse Blazor components and share code between web...

The Dynamsoft Capture Vision SDK offers advanced features for document detection and rectification. In this article, we will integrate document detection and rectification capabilities into the Angular project created in the previous tutorial. This article is Part 3 in a 5-Part Series. Part 1 - How to Implement Web TWAIN...

MRZ stands for machine-readable zone, which is usually at the bottom of the identity page at the beginning of a passport or ID card.1 It can be read by a computing device with a camera to get information like document type, name, document number, nationality, date of birth, sex, and...

Last week, we developed a desktop document scanner application using .NET MAUI and the Dynamic Web TWAIN REST API. We encountered an issue where the app’s UI, constructed with MAUI controls, behaved inconsistently on Windows and macOS. For instance, the Picker control functioned well on Windows but not on macOS....

Dynamsoft Capture Vision SDK consists of Dynamsoft Barcode Reader, Dynamsoft Label Recognizer, Dynamsoft Camera Enhancer, Dynamsoft Document Normalizer, and Dynamsoft Code Parser. Build Angular barcode and QR code scanner apps from scratch using the Dynamsoft Capture Vision JavaScript SDK to decode 1D/2D barcodes from image files and live camera streams...

Dynamsoft used to offer both the .NET TWAIN SDK and the Dynamic Web TWAIN SDK. However, the .NET TWAIN SDK is no longer maintained, and the focus has shifted to the web-based Dynamic Web TWAIN SDK. Despite this shift, you can still build a desktop document scanner application in .NET...

Recently, Dynamsoft released a new .NET MAUI Barcode SDK for building barcode scanning applications on Android and iOS. In this tutorial, we will use Visual Studio Code to create a .NET MAUI Barcode Scanner from scratch. Our application will decode barcodes and QR codes from both image files and camera...

Salesforce does not provide image-to-PDF merging by default, so build a Lightning Web Component that loads record images into Dynamsoft Document Viewer inside an iframe and exports them as a single PDF for printing and archiving. Dynamsoft Document Viewer is used as the SDK for image editing and PDF generation....

In our daily work, we may need to take some photos and merge the images into a PDF file. This can be done with many applications. Dynamsoft Document Viewer has made it easier since it can do this in the browser. This process can be integrated in our online website,...

When scanning documents via scanners, we may get misoriented document images. The use of automatic document feeding makes it happen more often. We can use image processing to detect the orientation. There are many ways to do this. For example, in Latin script text, ascenders are more likely to occur...

OpenCV is a powerful library capable of handling a wide range of computer vision tasks. However, its comprehensive functionality can result in a large library size, which may be excessive for applications that only require cross-platform camera streaming. You can slim down OpenCV to retain only the essential camera modules...

Dynamic Web TWAIN offers two methods for scanning documents from a web page: the HTML5/JavaScript API and the RESTful API. The former is suitable for web applications that require a high level of customization, while the latter is ideal for enterprise-class web applications, such as Salesforce, Oracle APEX, and Microsoft...

An iOS app written in Swift can pick multiple photos from the gallery, optionally auto-crop documents with Dynamsoft Document Normalizer, and merge the results into a single PDF file. This is useful for ID cards, receipts, or any workflow that needs several images combined into one shareable document. What you’ll...

This tutorial walks through building a real-time webcam barcode reader for Windows desktop using C#, the DirectShow.NET library, and the Dynamsoft Barcode Reader SDK. DirectShow.NET captures video frames from a USB webcam, while the Dynamsoft Barcode Reader SDK decodes 1D and 2D barcodes from each frame. This approach is ideal...

This tutorial creates a Salesforce Lightning Web Component that connects to TWAIN-compatible document scanners through the Dynamic Web TWAIN SDK, giving users scan, edit, and PDF-export capabilities inside Salesforce. What you’ll build: A Salesforce Lightning Web Component (LWC) that connects to TWAIN-compatible document scanners, lets users scan, edit pages, and...

Salesforce is a famous CRM platform. We can use it to manage our sales and customers. Salesforce comes with great customizability. We can write apps to extend its features. Its latest technology is the lightning web component, which helps us use modern web technologies to build apps. Build a Salesforce...

Rust’s popularity continues to surge in the systems programming world due to its unique combination of memory safety, performance, and concurrency. This comprehensive article demonstrates how to integrate Rust with the Dynamsoft Capture Vision Router SDK using FFI (Foreign Function Interface) bindings. We’ll build a robust command-line barcode reader that...

This tutorial builds a cross-platform C++ parcel scanning application for Windows and Linux that captures live camera frames with OpenCV and runs both barcode decoding and OCR text recognition through the Dynamsoft Capture Vision SDK. What you’ll build: A C++ application that captures live camera frames with OpenCV and simultaneously...

Using the getUserMedia API, we can open cameras on the web with JavaScript. Starting from Chrome 87, it is also possible to control the camera’s pan, tilt, and zoom, giving more possibilities for making a camera web app. In this article, we are going to talk about how to control...

In today’s fast-paced world, efficiently managing and tracking parcels is crucial for businesses. The use of 1D and 2D barcodes has revolutionized the way parcels are labeled, scanned, and processed. Additionally, Optical Character Recognition (OCR) technology has enabled the digitization of text on parcels, facilitating automated data extraction and processing....

Electron is a framework for building cross-platform desktop applications with HTML, JavaScript, and CSS. Since Dynamic Web TWAIN is also a cross-platform JavaScript library for document scanning and management, we can combine Electron and Dynamic Web TWAIN to implement a desktop document scanning and management application for Windows, Linux, and...

Barcode scanning is an essential tool for modern inventory management. It improves accuracy, efficiency, real-time tracking, and cost savings, making it a critical component of any effective inventory management system. In this article, we will build a Flutter barcode scanner capable of simultaneously reading multiple 1D barcodes, QR codes, and...

When digitizing documents, we may accidentally scan a document image twice. Finding the duplicate images manually is painstaking. In this article, we are going to use JavaScript to detect duplicate document images automatically. What you’ll build: A JavaScript library that uses Tesseract.js OCR and Levenshtein distance to automatically detect and...

Starting from version 18.0, the Dynamic Web TWAIN SDK has expanded its support for the eSCL protocol. This enhancement enables the SDK to support not only USB-connected scanners but also network scanners. Furthermore, Dynamsoft has released an Android app for eSCL communication, benefiting both Android and Chromebook users. This breakthrough...

Node.js, Express, and Jade are technologies often used together to build web applications. Node.js runs the server, handling HTTP requests and responses. Express is used to simplify the routing and middleware setup, managing everything from routes to handling requests and views. Jade is used as the templating engine within Express....

Shadow DOM is a web standard designed to encapsulate HTML and CSS into web components. It allows for the creation of separate DOM trees and specifies how these trees interact with each other in a document. Polymer is a library developed by Google to make it easier to create reusable...

Laravel is a PHP Framework. This article shares how to use Dynamic Web TWAIN to scan and upload documents in a Laravel project, enhancing web document management capabilities. What you’ll build: A Laravel web application that scans physical documents via a TWAIN-compatible scanner and uploads the captured images to your...

Django is a popular Python framework for web development. In this tutorial, we will create a web application using Django and Dynamic Web TWAIN. What you’ll build: A Django web application that acquires documents from a TWAIN-compatible scanner in the browser and uploads the scanned images to the server —...

SwiftUI is a robust UI framework designed for constructing native applications across all Apple platforms. This article will guide you through developing an iOS QR code scanner utilizing SwiftUI, Dynamsoft Camera Enhancer and Dynamsoft Barcode Reader on an Apple Silicon Mac (M1/M2/M3/M4). What you’ll build: A native iOS app that...

The Dynamic Web TWAIN SDK is renowned for its capabilities in document scanning, uploading, editing, and saving. In this article, we will explore the image tagging and grouping feature for document management applications. For instance, you can tag images with a date, project name, or customer name, enabling you to...

In the previous article, we covered QR code modes and how to generate QR codes in Python. This article builds an online QR code generator that runs the Python segno library in the browser through Pyodide, so users can create QR codes with byte mode, structured append, custom error correction,...

A barcode or bar code is a method of representing data in a visual, machine-readable form. There are all kinds of barcodes and mainly, they can be divided into 1D barcodes and 2D barcodes. We can get binary data from barcodes and there are different ways to interpret the data....

A QR code (quick-response code) is a type of two-dimensional matrix barcode. It uses four standardized modes of encoding: numeric, alphanumeric, byte or binary, and kanji. Its highest storage capacity can be 2,953 bytes. What you’ll build: A Python script that generates QR codes in all five encoding modes —...

Zapier is a workflow automation platform. It has integrated over 6000 applications and we can chain different applications in the same workflow without writing code. In this article, we are going to build a Zapier app integration to scan barcodes. We can scan barcodes in a web application and the...

In the previous article, we demonstrated the implementation of a web application for scanning and uploading documents using Dynamic Web TWAIN and Node.js. In this article, we will guide you through achieving the same functionality using Go. The process closely mirrors the Node.js implementation, allowing you to reuse client-side resources...

In the digital era, managing documents efficiently is crucial for businesses and individuals alike. With the rise of web technologies, scanning and uploading documents through web applications has become a sought-after feature. This article introduces a practical way to implement document scanning and uploading in a web application using Dynamic...

Filters are commonly used to adjust the rendering of images. We can use it to make images sharper, remove unwanted objects, or adjust the color tone. In this article, we are going to build a JavaScript library to perform various image filters. It can be used together with Dynamsoft Document...

Identity documents are adopted in many countries to prove a person’s identity. They usually have a card design around 8.6 cm x 5.4 cm in size with three-line MRZ, like ID cards in Germany and the Netherlands. Dutch ID Card Specimen: In this article, we are going to talk about...

ASP.NET Core enables C# server-side applications to run on Windows, Linux, and macOS. In this tutorial, we will go through the steps of building a web document scanning application with ASP.NET Core and Dynamic Web TWAIN SDK. What you’ll build: A cross-platform web document scanning application using ASP.NET Core MVC...

A Domain-Specific Language (DSL) is a computer language that’s targeted to a particular kind of problem. Examples of DSLs are CSS, SQL, make, etc. An important and useful distinction Martin Fowler makes is between internal and external DSLs. Internal DSLs are particular ways of using a host language to give...

Whether we scan documents via document scanners or cameras, we may end up getting document images with bad quality. In this article, we are going to talk about how to evaluate the quality of scanned document images so that we can recapture the document to get a better image. A...

A black-and-white binary image consists of pixels that can have one of exactly two colors: black and white. Converting an image to black and white has some usages: File size reduction: a 1-bit binary image requires less data for storage than a 24-bit color image. Image processing: many image processing...

Grayscale images are composed exclusively of shades of gray. They are commonly stored with 8 bits per sampled pixel, which allows 256 different intensities to be recorded. Converting an image to grayscale has some usages: File size reduction: an 8-bit grayscale image often requires less data for storage than a...

Sometimes, we may need to flip a media element in a web app. For example, we may need to flip a video element streaming from a camera to match what we actually see or correct scanned document images that are flipped. What you’ll build: A browser-based tool that flips or...

In a document-scanning web app, image resizing is useful as it can correct the proportion of scanned documents and increase the DPI of document images to meet printing requirements. In this article, we are going to talk about how to resize an image with JavaScript. One way is using Canvas...

Sometimes, we may need to rotate an image on a web page, like showing a loading animation. In a document-scanning web app, we need to rotate skewed document images or document images scanned in the wrong direction. What you’ll build: An HTML5 page that rotates images using three approaches —...

OpenCV is an open-source computer vision and machine learning software library. It provides various image processing methods for us to solve different tasks. In this article, we are going to build a web document scanner with the JavaScript version of OpenCV. A JavaScript library is made first and then used...

As the web platform develops, we can build rich kinds of applications on it. We can build a web app like a barcode scanner or a document scanner using the getUserMedia API to get camera frames for live analysis. While a barcode scanner may not require high resolution, a document...

Gemini is Google’s latest AI model, which can be used for free with a limit of 60 queries per minute, and is capable of recognizing text from images. Generally, 1D barcodes are accompanied by human-readable text, which can be used to verify the accuracy of barcode recognition results. In this...

A Web Document Viewer is a software tool enabling users to view and edit various document types, including PDF, JPEG, PNG, and TIFF, directly within a web browser. Recently, Dynamsoft released a JavaScript Document Viewer SDK, designed to expedite the development of web-based document management applications. In this article, we...