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...

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...

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...

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...

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...

A Vehicle Identification Number (VIN) scanner application is a useful tool for car owners and car manufacturers, enabling quick retrieval of a vehicle’s unique identifier. In this tutorial, we’ll walk through creating a cross-platform VIN scanner using .NET MAUI and Dynamsoft Capture Vision, covering setup, UI implementation, and VIN recognition...

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...

Dynamsoft’s pre-built Android MRZ (Machine Readable Zone) Scanner component, which wraps low-level Dynamsoft Capture Vision API, is open-source and available for download on GitHub. An Android VIN (Vehicle Identification Number) Scanner has not been officially released yet, but a relevant example project is available. This article will guide you through...

Dynamsoft Barcode Scanner API is open source and free to customize. It currently provides two modes: Single and Multiple. In Single mode, the barcode scanner freezes the camera preview and waits for the user to select a barcode if multiple barcodes are detected. In Multiple mode, the scanner instantly returns...

.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...

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: New Project Open Android...

Dynamsoft has released a Ready-to-Use Barcode Scanner API for Android developers, enabling them to quickly integrate barcode scanning functionality into their apps. This component is open-source and free to customize. In this tutorial, we will walk you through the barcode scanner API and demonstrate how to integrate it into Android...

VIN stands for vehicle identification number. It is a unique 17-character code to identify individual vehicles. The VIN contains information about your car’s make, model, and year, as well as the country where it was manufactured and other important details. You may find the VIN label on your car’s dashboard,...

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...

In this article, we are going to write a React Native demo to crop images. It uses React Native Skia and React Native Gesture Handler to provide an interactive cropper. Dynamsoft Document Normalizer is used to detect the document boundaries and do perspective transformation to crop the image. New Project...

In today’s fast-paced digital environment, efficient document management is vital across industries such as finance, healthcare, legal, and education. Traditional paper handling methods are not only slow but also susceptible to errors and inefficiencies. Document PDF scanner apps offer a modern solution by streamlining workflows and significantly boosting productivity. This...

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...

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...

Sometimes, we may need to merge multiple images into a single PDF file. For example, we scan the front side and the back side of an ID card and want to store them in a single PDF file. In this article, we are going to talk about how to build...

MRZ (machine-readable zone) is a section on ID documents. It is designed to be read by a machine to get the document owner’s info, like name, age, sex and nationality. In this article, we are going to build an expo application to scan MRZ. Dynamsoft Label Recognizer is used to...

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...

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...

React Native Vision Camera is a React Native camera library which makes it easy to build a camera app with various image processing features like barcode reading, document scanning and OCR. It has a feature called frame processor. We can write frame processor plugins to integrate image processing features with...

Jetpack Compose is Android’s recommended modern toolkit for building native UI. It simplifies and accelerates UI development on Android. In this article, we are going to create an MRZ text scanner in Jetpack Compose with CameraX for camera access and Dynamsoft Label Recognizer to perform OCR. Note: MRZ stands for...

Expo is an open-source platform for making universal native apps for Android, iOS, and the web with JavaScript and React. It is basically a set of tools built on top of React Native, which makes it easy to develop and distribute apps. In this article, we are going to build...

Jetpack Compose is Android’s recommended modern toolkit for building native UI. It simplifies and accelerates UI development on Android. In this article, we are going to build a document scanner in Jetpack Compose. It can acquire images from document scanners or cameras and run document detection and correction. Here are...

Many countries have now adopted an ID 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 how to build an ID card scanner in Ionic...

Machine-Readable Zone (MRZ) recognition is an essential technology in various sectors, including security, immigration, and automation. Its application in Android software can enhance a wide array of services by enabling quick and accurate data capture from identification documents like passports and ID cards. This article aims to guide you through...

In the previous article, we talked about the possibility of transferring files via QR codes and built a demo web app. In this article, we are going to build a cross-platform version using Ionic Vue which can run on Android, iOS and Web. The mechanism is also improved by adding...

A Mobile Check Capture app, also known as a Check Deposit app or Mobile Check Deposit app, is a mobile application that allows users to deposit checks using their smartphones or tablets. It provides a convenient way for individuals and businesses to deposit checks without visiting a bank branch or...

NativeScript is an open-source native runtime for building native mobile apps with JavaScript. We can easily call native APIs using JavaScript. A NativeScript plugin is any npm package that exposes a native API via JavaScript which is made convenient for projects to use. In this article, we are going to...

In this article, we are going to create a mobile document scanning app using Ionic Vue. Ionic is a cross-platform framework for developing mobile apps with web technologies. An Ionic app can not only run as a progressive web app (PWA) in browsers but also run as a native app...

In the previous article, we built a Capacitor document scanning plugin based on the Dynamsoft Document Normalizer SDK. In this article, we are going to build a document scanner in Angular using the Ionic framework. Demo video of the final result: The app can take a photo or load an...

Capacitor is an open-source native runtime created by the Ionic team for building Web Native apps. We can use it to create cross-platform iOS, Android, and Progressive Web Apps with JavaScript, HTML, and CSS. Using Capacitor plugins, we can use JavaScript to interface directly with native APIs. In this article,...

In the previous article, we’ve built a document normalization React Native Vision Camera frame processor based on Dynamsoft Document Normalizer SDK. In this article, we are going to use it to build a React Native document scanning demo app. This article is Part 2 in a 2-Part Series. Part 1...

Dynamsoft Document Normalizer is an SDK to detect the boundary of documents and runs perspective transformation to get a normalized document image. A normalized image can be used for further processing such as OCR. In this article, we are going to create a React Native Vision Camera frame processor plugin...

Capacitor is an open-source native runtime created by the Ionic team for building Web Native apps. We can use it to create cross-platform iOS, Android, and Progressive Web Apps with JavaScript, HTML, and CSS. Using Capacitor plugins, we can use JavaScript to interface directly with native APIs. In this article,...

Ionic is a popular framework to build cross-platform mobile web apps. In this article, we are going to build an Ionic Angular app based on Cordova to scan the MRZ codes which are often found on passports. The JavaScript version of Dynamsoft Label Recognizer is used to provide the ability...

Quasar is a Vue.js-based framework, which allows web developers to quickly create responsive websites/apps, while Capacitor is a runtime for creating cross-platform iOS, Android, and Progressive Web Apps with JavaScript, HTML, and CSS. In this article, we are going to use the two to create a QR code scanner using...

Dynamsoft Document Normalizer is an SDK to detect the boundary of documents and runs perspective transformation to get a normalized document image. A normalized image can be used for further processing such as OCR. In this article, we are going to create an Android document scanner using Dynamsoft Document Normalizer...

In the previous series of articles, we’ve created a react-native-vision-camera frame processor plugin of Dynamsoft Label Recognizer to recognize text. In this article, we are going to build an MRZ scanner using this plugin to better illustrate how to use it. MRZ stands for machine-readable zone, which is usually at...

In the previous article, we’ve given a brief demonstration on how to use the capacitor-plugin-dynamsoft-barcode-reader to create a cross-platform QR code scanner using Ionic React. In this article, we are going to use Ionic Vue to create such a QR code scanner. Online demo Building an Ionic Vue QR Code...

The Ionic framework has shifted its native runtime from Cordova to Capacitor. But we can still create Ionic Angular projects based on Cordova. In this article, we are going to create an Ionic Angular QR code scanning app based on Cordova using the cordova-plugin-dynamsoft-barcode-reader and the ionic wrapper. Preview of...

The WebView component included in modern mobile operating systems is becoming more and more powerful. For example, it supports showing the camera preview using getUserMedia and has support for WebAssembly, which makes it possible to use Dynamsoft Label Recognizer to create a text scanner to recognize text like passports’ machine-readable...

The Ionic framework has shifted its native runtime from Cordova to Capacitor. But for compatibility concerns and the fact that there are many good Cordova plugins, we can still use Cordova plugins in an Ionic project. We can directly use Cordova plugins with the cordova object, but there is a...

In this article, we are going to create a mobile document scanning app using Ionic React. Ionic is a cross-platform framework for developing mobile apps with web technologies. An Ionic app can not only run as a web app in browsers but also run as a native app on Android...

In the previous article, we’ve given a brief demonstration on how to use the capacitor-plugin-dynamsoft-barcode-reader to create a cross-platform QR code scanner using web technologies with Capacitor. In this article, we are going to take a step further to create an Ionic React QR Code Scanner. Online demo on netlify:...

The MediaDevices.getUserMedia() API is the standard way to access cameras from web browsers. While it’s relatively straightforward, building a complete web camera viewer still requires significant effort. Until recently, there were no ready-to-use JavaScript camera widgets. However, with the release of the Dynamsoft Camera Enhancer library, implementing a browser-based camera...

Although almost every Android phone is equipped with cameras, some Android devices, like TV boxes and kiosks, may not have cameras built-in. An easy way to add extra camera functionality to these devices is by connecting with a USB camera if they support USB-OTG. Starting from Android 9, the Android...

Capacitor is an open source native runtime created by the Ionic team for building Web Native apps. We can use it to create cross-platform iOS, Android, and Progressive Web Apps with JavaScript, HTML, and CSS.1 As an alternative to Cordova, Capacitor delivers the same cross-platform benefits, but with a more...

ZeroMQ is a high-performance asynchronous messaging library, aimed at use in distributed or concurrent applications. It supports common messaging patterns (pub/sub, request/reply, client/server and others) over a variety of transports (TCP, in-process, inter-process, multicast, WebSocket and more), making inter-process messaging as simple as inter-thread messaging. 1 ZeroMQ can be used...

Dynamsoft Camera Enhancer (DCE) provides high-level APIs for developers to quickly create a camera application, such as a barcode scanner and a text scanner. The API surface works across most Android and iOS devices. While it leverages the capabilities of Android’s Camera2 and iOS’s AVCaptureSession, it is much easier to...

Let’s continue discussing scanning QR codes at a distance. In this article, we’ll talk about resolution. Using the camera’s highest resolution Most of the current smartphones’ video stream resolution can be set to 1080P (Full HD) and many of them support 4K (Ultra HD) video capturing. The higher the resolution...

Have you had such an experience that you need to scan a QR code displayed on a screen in the front of a meeting room, but you sat in the back? You opened the barcode scanning app and aimed it at the code, but it just couldn’t read the code....

Camera control and barcode reading are two essential parts of a barcode scanner. Dynamsoft Barcode Reader is an advanced barcode reader with an easy-to-use Android library. The implementation of the barcode reading function is simple and straightforward. Making a good camera app, however, is not easy. In Android, there are...

Developing Android camera apps can be more complex compared to iOS due to varying hardware specifications and vendor implementations. Since API level 21, the older Camera API has been deprecated in favor of the more powerful and flexible Camera2 API. In this post, we’ll explore how to create Android camera...

Dynamsoft Android Camera SDK is coming soon. In this article, let’s preview the SDK and learn how to write an Android document scanning app with a few lines of Kotlin code. Features Automatic border detection Trimming and perspective correction Image enhancement iOS image processing Offline I/O and PDF Customizable UI...

No matter whether you are a mobile developer of Android or iOS, your ultimate goal is definitely to publish your apps on Google Play or App Store. Before submitting apps for review, you need to attach some screenshots used for promotion. Furthermore, you can record screen video in order to...

When creating an Android library for distribution, besides the class package, source code and documentation are also needed in order to assist developers. Although Eclipse is convenient that you just need to right-click on the project and choose export to generate Javadoc and JAR file, more and more Android developer...

When making third party libraries and SDKs for Android development, you could build so files, jar files, or aar files. I prefer providing aar files for distribution since aar file is a simple zip file which includes so files, jar files, and other resources. What’s inside aar file? /AndroidManifest.xml (mandatory) /classes.jar (mandatory)...

Tesseract is a well-known open source OCR engine that released under the Apache License 2.0. In this tutorial, I’d like to share how to build the OCR library for Android, as well as how to implement a simple Android OCR application with it. Ads Powered by Dynamsoft Tesseract Android Tools...

If you have a TWAIN-compliant scanner, you can easily control it with Dynamic Web TWAIN or Dynamic .NET TWAIN. Both SDKs can help you create some excellent applications for document scanning and management on PCs. However, have you ever complained that it’s so inconvenient to stay with your scanners and...

Java Native Interface (JNI) is the glue between Java and native code such as C, C++, and assembly. With JNI, Java applications are capable of supporting platform-specific features. JNI enables developers to call low-level APIs (e.g. SQL, OpenGL etc.) to make Java application more powerful with higher performance. For example, we can...

When you are going to purchase a new smartphone like iPhone 6 or Galaxy S5, don’t just throw your old devices away. Via socket connection, we can build a remote monitoring system with obsolete mobile devices instead of purchasing expensive Webcams or wireless cameras. In this article, I’d like to...

Barcode scanning, especially QR code scans, are now widely used in various applications. This includes advertisements, newspapers, social networks, signage, and so on. The growth of QR codes is in large part due to the smartphone market’s booming growth. As a result, scanning technology tends to be more and more useful...