Tag: chrome-extension

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 MRZ generator Chrome extension that creates ICAO 9303-compliant MRZ codes for passports, ID cards, and visas using the Canvas API and OCR-B font.

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.

Step-by-step tutorial to build a Manifest V3 Chrome extension that adds document scanning to any web page using Dynamic Web TWAIN and JavaScript.