All Developer Tutorials — Page 15 of 34

Learn how to compress images in the browser with JavaScript by adjusting resolution, color depth, JPEG quality, and converting to WebP or PDF formats using Dynamsoft Document Viewer.

Step-by-step tutorial on how to add handwritten electronic signatures to PDF documents using JavaScript, HTML5 Canvas, and Dynamsoft Document Viewer SDK.

Learn how to read DataMatrix barcodes from PDF files using JavaScript. Flatten barcode annotations into raster images with Dynamsoft Document Viewer, then decode DataMatrix, QR Code, and other 1D/2D barcodes in the browser with Dynamsoft Barcode Reader.

Step-by-step React tutorial: capture documents via the browser camera, detect borders automatically, crop and enhance, then export to PDF using Dynamsoft Mobile Web Capture SDK.

Learn how to drag and drop to reorder scanned document pages in JavaScript using Dynamsoft Document Viewer and the HTML5 Drag and Drop API, with touch-device support and full source code.

Step-by-step SwiftUI document scanning tutorial for iOS and macOS. Detect document edges in real time, normalize scanned images, and display results using Dynamsoft Capture Vision SDK.

Step-by-step tutorial to build a Next.js client-side ID card scanner component that reads MRZ and PDF417 barcodes from passports, driver's licenses, and ID cards via camera using Dynamsoft Capture Vision SDK.

Step-by-step SwiftUI barcode scanner tutorial for iOS and macOS. Use Dynamsoft Capture Vision SDK with Swift Package Manager to scan 1D/2D barcodes from the camera in real time.

Step-by-step tutorial to integrate a C++ barcode SDK into a macOS SwiftUI app via an Objective-C++ bridge. Covers Xcode project setup, camera capture, real-time 1D/2D barcode detection, and overlay rendering.

The article talks about how to control camera focus with JavaScript using getUserMedia in a web application. It can adjust the focus mode, the focus distance and support tap to focus.