Alt+Q QR Reader
AOffline QR code reader browser extension for Firefox and Chromium
Overview
A powerful browser extension that allows you to read QR codes directly from web pages without requiring an internet connection. Supports both Firefox and Chromium-based browsers (Chrome, Edge, Brave).
Features
- 🔍 Region Selection — Click and drag to select any area containing a QR code
- 🌐 Offline Functionality — Works completely offline using local QR code processing
- ⌨️ Keyboard Shortcuts — Quick activation using Alt+Q
- 📋 Clipboard Integration — Automatically copies decoded content to clipboard
- 🔔 Visual Feedback — Toast notifications for all operations
- 🛡️ Privacy-Focused — No data transmission, all processing happens locally
Usage
- Navigate to any webpage containing a QR code
- Press
Alt+Qor activate the extension from the toolbar - Click and drag to select the area containing the QR code
- The content will be decoded and copied to your clipboard
Technologies
- jsQR.js for QR code detection
- Browser WebExtensions API
- Pure JavaScript with no external dependencies