Tag: qr-code

A QR Code recovers damage through Reed-Solomon parity, not magic: level L repairs roughly 7% of its codewords and level H roughly 30%. Build, damage, and decode QR codes in the browser with a new interactive error correction visualizer powered by Dynamsoft Barcode Reader.

Build a browser-side IATA BCBP boarding pass generator in JavaScript: write a Resolution 792 payload with its nested size fields, auto-sign the security section (items 25–30) with WebCrypto ECDSA P-256, render it as PDF417, Aztec Code, QR Code or Data Matrix, draw a printed or mobile pass preview on an...

A step-by-step tutorial for building an Expo (React Native) barcode scanner app that decodes 1D and 2D barcodes with the Dynamsoft Capture Vision native SDK through a hand-written Expo module — live camera scanning, photo-picker scanning, and result overlays with corner points.

Build a cross-platform Ionic Vue QR code and barcode scanner powered by the Dynamsoft Capture Vision native SDK (capturevisionbundle 3.6.2000) on Android and iOS. Two data sources, no JavaScript SDK, real-time native overlay.

Build a Python benchmark that generates low-resolution, low-light, glare, blur, and inverted barcode images, then shows how a fast Dynamsoft Barcode Reader template can improve accuracy without a large speed penalty.

Learn how to build a Python desktop app that scans QR codes and printed page numbers from the same image with PySide6 and Dynamsoft Capture Vision OCR.

Compare barcode SDK benchmark results across QR Code, PDF417, Data Matrix, and EAN-13 test sets in one technical index.

Build an ASP.NET MVC 5 (.NET Framework 4.8) web app that decodes barcodes and QR codes from uploaded images using Dynamsoft Barcode Reader SDK 11.4 and CaptureVisionRouter.

Step-by-step tutorial for developers: convert a vanilla-JS Dynamsoft vision scanner to a production-ready React application. Covers React hooks, SDK integration, camera capture, MRZ parsing, and document rectification.

Complete developer tutorial: package a Dynamsoft Capture Vision barcode, MRZ, and document-scanner as a cross-platform Electron desktop application. Covers main-process architecture, camera permissions, CSP configuration, context isolation, and distribution with electron-builder.

The tutorial demonstrates how to build a Golang Barcode QR Code Reader with the C bridge of Dynamsoft Capture Vision SDK on Windows, Linux, and macOS, as well as how to deploy the application to Docker.

Learn how to build a cross-platform C++ barcode and QR code reader using Dynamsoft Capture Vision SDK v11 with CMake, supporting Windows, Linux, macOS, Raspberry Pi, and Jetson Nano.

An in-depth, objective comparison of Dynamsoft Barcode Reader and Google ML Kit for Android barcode scanning. Learn which SDK delivers superior accuracy, reliability, and detection rates for enterprise applications with hands-on benchmarks.

Learn how to build an advanced spatial barcode scanner using Google ARCore and Dynamsoft Capture Vision. Discover how to leverage augmented reality to scan multiple barcodes at different positions, prevent duplicate scans through 3D collision detection, and ensure stable marker placement with plane detection.

Step-by-step guide to building a barcode and QR code scanner Chrome extension with Manifest V3. Covers Side Panel API, camera scanning in a new tab, screenshot area selection with OffscreenCanvas, multi-page PDF decoding, drag-and-drop, context menu integration, and OAuth-based license management using the Dynamsoft Barcode Reader SDK.

Step-by-step guide to building a JavaScript Chrome extension (Manifest V3) that generates QR codes and 1D barcodes (Code 128, EAN-13, PDF417, Data Matrix) from any URL or custom text using bwip-js — no CDN required. Covers manifest.json, popup UI, barcode logic, and Chrome Web Store publishing.

Learn how to measure barcode scanning distance on iOS using ARKit and Swift. Discover why module size — not distance — is the real SDK performance indicator, with full source code and a step-by-step Swift implementation.

Learn how to build a React Native custom barcode scanner overlay UI with real-time green contours, corner markers, and text callouts using Dynamsoft Barcode Reader SDK. Covers coordinate transformation, aspect-ratio compensation, and multi-barcode support on Android and iOS.

Compare ZXing.NET and Dynamsoft Barcode Reader in a C# .NET 8.0 WinForms app — a practical guide for developers looking for the best .NET barcode SDK or a ZXing alternative for higher accuracy.

Learn how to integrate a barcode scanner in .NET MAUI HybridWebView using Dynamsoft Barcode Reader's JavaScript SDK. Runs on Windows, Android, and iOS from a single codebase.

Learn how to scan and parse vCard QR codes in JavaScript using Dynamsoft Barcode Reader. This tutorial covers vCard QR code generation from a contact form and live camera scanning with full source code.

Step-by-step tutorial to build a .NET MAUI cross-platform camera barcode scanner targeting Windows, Android, and iOS in a single project. Handle platform-specific rendering with preprocessor directives, SkiaSharp, and Dynamsoft Barcode Reader.

Learn how to integrate Dynamsoft Barcode Reader into a Salesforce Lightning Web Component (LWC) using JavaScript, iframe, and postMessage for QR code and barcode scanning in CRM workflows.

Build a QR code scanner shared between Android and iOS with Kotlin Compose Multiplatform and Dynamsoft Barcode Reader v11: CaptureVisionRouter with CameraX on Android, AVFoundation with a Dynamsoft CocoaPods pod and Kotlin/Native cinterop on iOS, including a bounding-box overlay.

Step-by-step tutorial to implement a QR code reader and barcode scanner in Nuxt.js using Dynamsoft Barcode Reader with live webcam access.

Read 1D and 2D barcodes (QR Code, Code 128, EAN-13, DataMatrix, PDF417) from multi-page PDF files in Node.js with Dynamsoft Capture Vision. A single captureMultiPagesAsync() call decodes every page and reports the page number for each barcode.

Step-by-step guide to building a Python barcode and QR code scanner that reads barcodes from images and webcam streams on Windows, Linux, and macOS using the Dynamsoft Capture Vision SDK and OpenCV.

Step-by-step guide to building and running ARM32 and ARM64 Docker containers for Python barcode and QR code scanning using Dynamsoft Barcode Reader — ideal for Raspberry Pi and Jetson Nano development.

Step-by-step tutorial to build an Angular barcode and QR code scanner component using Dynamsoft Capture Vision SDK — includes image decoding and live camera scanning.

Step-by-step C# tutorial to integrate a barcode and QR code scanner into a .NET MAUI app using the Dynamsoft Barcode Reader SDK — covering image file decoding and real-time camera stream scanning on Android and iOS.

Build a real-time C++ barcode and QR code scanner that reads from a desktop webcam using a minimal OpenCV build and Dynamsoft Barcode Reader SDK v10.x. Includes CMake project setup for Windows and Linux.

Step-by-step guide to building a cross-platform command-line barcode and QR code reader in Rust using FFI bindings to the Dynamsoft C++ Capture Vision SDK. Covers project setup, C++ bridge implementation, and both interactive and batch processing modes on Windows, Linux, and macOS.

Build a high-performance Flutter QR code and barcode scanner for iOS by mixing Dart and Swift code, integrating AVFoundation camera previews with the Dynamsoft Barcode Reader Bundle and its CaptureVisionRouter API for real-time decoding.

Build a Flutter barcode scanner that reads multiple 1D barcodes, QR codes, and DataMatrix codes at once on Android and iOS using the Dynamsoft Capture Vision SDK.

Build a high-performance Flutter barcode scanner for Android by mixing Dart and Kotlin code, integrating CameraX with the Dynamsoft Barcode Reader Bundle and its CaptureVisionRouter API for real-time barcode decoding.

Learn how to build a high-performance Node.js barcode reader for command-line and web applications using the official dynamsoft-capture-vision-for-node package - a native C++ engine with prebuilt binaries and a managed worker-thread pool.

Learn how to build a PHP Laravel web app that decodes barcodes and QR codes by calling a standalone Python service powered by the Dynamsoft Capture Vision SDK.

Step-by-step SwiftUI QR code scanner tutorial for Apple Silicon Macs. Build an iOS barcode and QR code scanner app using the Dynamsoft Barcode Reader Bundle (v11) added with Swift Package Manager, SwiftUI, and Dynamsoft Capture Vision.

This guide walks you through creating a web application to decode multiple barcode images with Go and HTML5, backed by the goBarcodeQrSDK module and Dynamsoft Capture Vision SDK.

Step-by-step tutorial to generate QR codes dynamically in the browser using JavaScript, Pyodide, and the Python segno library. Supports byte mode, structured append, custom error correction levels, and text encoding selection.

Build a TypeScript library to extract raw byte arrays from QR codes and barcodes in JavaScript using Dynamsoft Barcode Reader — supports numeric, alphanumeric, byte, Kanji and structured append modes.

Step-by-step guide to generating QR codes in Python using the segno library. Covers all five encoding modes — numeric, alphanumeric, byte, kanji, and structured append — with working code examples.

Learn to link and load Dynamsoft's C/C++ SDK dylib in Go barcode reader modules for macOS, including build and run scripts for Apple Silicon Macs.

Step-by-step tutorial to build a Zapier barcode scanner integration using Dynamsoft Barcode Reader, a Flask polling server, and JavaScript — scan ISBN barcodes and trigger automated workflows to Notion, Google Sheets, and more.

Step-by-step JavaScript tutorial for building a web barcode scanner with OpenCV.js — covers QR code detection, EAN-13 decoding, and live camera scanning.

Learn how to build a Windows desktop barcode reader in C++ using the Win32 API and Dynamsoft Capture Vision SDK. This step-by-step tutorial covers GUI layout with panels, image loading via GDI+, barcode decoding, and drawing result overlays on detected barcodes.

Step-by-step guide to deploying Dynamsoft Barcode Reader on AWS Lambda with Python. Create a serverless REST API that decodes barcodes and QR codes from images via API Gateway.

Build a headless barcode scanner on Raspberry Pi 4 with C++ - capture frames through Video4Linux2, decode barcodes with Dynamsoft Capture Vision, and show results on an optional SSD1306 OLED display or the console. No OpenCV, no GUI, and no WiringPi required.

Solve MinGW GCC "undefined reference" errors when linking MSVC-built C++ DLLs. Build a shim DLL that exports C interfaces from Dynamsoft Barcode Reader v10.0 for seamless MinGW linkage.

Learn how to build an Android QR code scanner in Jetpack Compose with Dynamsoft Barcode Reader and Camera Enhancer (barcodereaderbundle 11.6.2000) - live CameraView preview, real-time decoding with the Capture Vision Router, and results shown directly in the Compose UI.

Step-by-step tutorial to add barcode scanning to a Glide no-code app using Dynamsoft Barcode Reader JavaScript SDK, with computed columns for ISBN price lookup.

Learn how to build a .NET MAUI Windows desktop barcode scanner using Windows Media API for live camera capture and Dynamsoft Barcode Reader for real-time 1D/2D barcode detection.

The article shares how to scan barcodes in an Oracle APEX application using Dynamsoft Barcode Reader.

Build a barcode and QR code scanner in Next.js with the Dynamsoft Barcode Reader bundle, server-side license injection, and a client-only camera component.

Build a web app that scans NFC tags and barcodes in the browser, then uses the value read from an NFC tag as the AES key to decrypt the content stored in a barcode.

Build a custom barcode and QR code detection node for Node-RED with the Dynamsoft Capture Vision SDK. This guide shows how to decode barcodes from image files, PDF/TIFF documents, and base64 strings, and emit structured results (format, text, confidence, location) into your Node-RED flows.

Build an installable PWA that scans barcodes and QR codes with the latest Dynamsoft Barcode Reader Bundle, from the live camera or an uploaded image, on desktop and mobile.

Step-by-step tutorial on building a VSCode extension for Dynamsoft Barcode Reader — with project generation, code snippet insertion, and parameter template download for barcode and QR code scanning.

Record videos with CameraX in Kotlin and read barcodes and QR codes from video files on Android with Dynamsoft Barcode Reader (barcodereaderbundle 11.6.2000): decode while playing with PixelCopy or grab every frame with FFmpeg/JavaCV.

Learn how to integrate a mobile-friendly HTML5 QR code scanner for ASP.NET Core web apps using server-side C# with Dynamsoft CaptureVisionRouter, including drag-and-drop upload, JSON barcode results, and canvas quad overlays.

Build three Java barcode readers - CLI, Swing GUI, and Spring Boot web API - using Dynamsoft Barcode Reader 11.x and ZXing, with working code and a live Swagger UI demo.

Step-by-step tutorial to integrate a barcode and QR code scanner into a Python Django web app using the Dynamsoft Capture Vision SDK for server-side decoding of 1D and 2D barcodes.

Step-by-step tutorial to scan and decode barcodes and QR codes in a Jupyter Notebook using Python, OpenCV, and Dynamsoft Barcode Reader SDK with an interactive file upload widget.

Build a Python desktop QR code scanner that reads barcodes directly from screen captures using Qt (PySide6), OpenCV, and the Dynamsoft Barcode Reader SDK.

Learn how to transfer files between devices with animated QR codes. Build a pure-JavaScript animated QR code generator and a Dynamsoft Barcode Reader v11 CaptureVisionRouter scanner that reassembles the data from a live camera stream.

Open-source vs commercial QR code reader benchmark comparing Dynamsoft, ZXing, ZBar, BoofCV, and OpenCV WeChat across 536 images in 16 categories. Includes Python QR code reader performance data, reading rates, and decode speed.

Learn why QR codes and barcodes fail to scan at a distance and how higher resolution helps: using the camera's highest video resolution, taking photos instead of live scanning, scale-up, and super resolution - with measured scanning distances from the Faraway_Scan experiment.

Create an Android barcode scanner with CameraX: preview and image-analysis use cases, decoding the NV21 frame buffer with Dynamsoft Barcode Reader (barcodereaderbundle 11.6.2000), and camera controls such as zoom, torch, and focus.

Learn how to build a cross-platform GUI Python barcode and QR code reader for Windows, Linux, macOS, and Raspberry Pi OS using Qt Designer, PySide6, and the Dynamsoft Capture Vision SDK.