QRHook: QR & Barcode Scanner

QRHook is a fast, privacy-first QR code reader and barcode scanner built for modern Android devices. It launches directly into the camera viewfinder with zero splash screens or delays, allowing you to scan codes instantly.

All barcode detection is processed entirely on-device using machine learning. Your scans and history remain private, securely stored on your phone without remote tracking or unnecessary data collection.

LIGHTNING-FAST & ON-DEVICE

• Instant Launch: Opens straight to the camera so you can scan without delay.

• Fully Offline: Scans QR codes and barcodes without requiring an active internet connection.

• On-Device ML Processing: Fast recognition of damaged, rotated, or low-contrast codes.

• Torch & Low-Light Detection: Built-in flashlight toggle with automatic low-light guidance.

LINK TRUST & URL SAFETY

• Pre-Visit Link Inspection: Check URLs, domains, and protocol encryption (HTTPS) before opening links in your browser.

• Unencrypted Connection Alerts: Clear indicators when a scanned link uses non-standard ports or unencrypted HTTP.

• Safe Browsing Integration: Optional URL verification to help identify known malicious or suspicious web destinations.

SMART PARSING & INSTANT ACTIONS

QRHook automatically parses 14+ data formats and provides relevant actions:

• Wi-Fi Networks: View network SSID, security encryption type, and copy passwords with a single tap.

• Payment Codes: Seamless compatibility for UPI and payment QR codes with direct app redirection.

• Contacts (vCard): View names, phone numbers, emails, and save contact cards straight to your address book.

• Books & ISBNs: Instant lookup options for Open Library and Google Books.

• Products & Barcodes: Search product barcodes across Amazon, eBay, and Open Food Facts.

• Map Coordinates: Open geographical coordinates directly in Google Maps.

• Calendar Events & SMS: Review dates, locations, and messages with quick system actions.

BATCH SCANNING & INVENTORY UTILITY

• Continuous Batch Mode: Scan dozens of barcodes consecutively without leaving the viewfinder.

• Sound & Haptic Feedback: Optional haptic ticks and audio confirmation on successful scans.

• History with Full-Text Search: Find any past scan instantly using local full-text search.

• Export to CSV: Export your scan history or batch collections to CSV for spreadsheets, inventory tracking, and logistics.

BUILT-IN QR CODE GENERATOR

Generate clean QR codes and save them directly as high-resolution PNG images:

• Wi-Fi configurations with automatic security formatting (WPA/WPA2/WEP).

• Website links, social media handles, and raw text.

• Contact cards (vCard) and payment recipient details.

• Share generated QR codes directly across messaging and productivity apps.

DESIGNED FOR ANDROID

• Material 3 Design: Clean interface with Material You dynamic color theming matching your device wallpaper.

• Home Screen Glance Widgets: Place quick-scan and recent-history widgets directly on your home screen.

• Gallery Scanning: Decode barcodes and QR codes from existing photos and screenshots using the Android Photo Picker.

• Zero Distractions: A minimal utility designed solely to read and generate codes efficiently.

SUPPORTED CODE FORMATS

• 2D Formats: QR Code, Data Matrix, Aztec, PDF417.

• 1D Barcodes: UPC-A, UPC-E, EAN-8, EAN-13, Code 39, Code 93, Code 128, Codabar, ITF.