All Developer Tutorials — Page 14 of 34

Learn how to read DotCode barcodes in a browser using Dynamsoft Barcode Reader's JavaScript SDK — covering live camera scanning, image file decoding, and the custom template needed for tobacco-industry DotCode marks.

Learn how to write a Python script to read multiple barcodes from a camera using a custom CPython camera SDK built on a C++ library and Dynamsoft Barcode Reader. Works on Windows, Linux, and macOS.

Learn how to flatten (burn) PDF annotations in JavaScript using Dynamsoft Document Viewer — with code examples for flattening all annotations or selectively flattening individual ones.

Step-by-step C++ barcode scanner macOS AVFoundation tutorial. Bridge Objective-C with C++ to capture camera frames via AVFoundation, render them with Cocoa, and decode barcodes using the Dynamsoft Barcode Reader SDK — no OpenCV required.

Learn how to encrypt, decrypt, and password protect PDF files entirely client-side in JavaScript using Dynamsoft Document Viewer — with code examples for loading, unlocking, and saving secured PDFs.

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

Step-by-step tutorial to build a C++ Windows webcam barcode scanner using the Windows Media Foundation API and Dynamsoft Barcode Reader SDK v11. Covers camera enumeration, YUY2-to-RGB conversion, Win32 GDI rendering, and CMake build setup — no OpenCV required.

Learn how to access a webcam in C++ on Linux using the V4L2 API without OpenCV, and build a real-time barcode scanner with the Dynamsoft Barcode Reader SDK.

Step-by-step Vue.js tutorial: access the device camera, detect document borders in real time, crop and enhance scanned pages, and export a multi-page PDF — all in the browser with Dynamsoft Mobile Web Capture.

Step-by-step tutorial to build a browser-based document scanner with HTML5 and JavaScript — detect edges, crop, rectify, and save documents to PDF using Dynamsoft Capture Vision and Document Viewer.