About QR & Barcode Scanner
// Scan and generate QR codes offline
Scan, read, and generate QR codes, barcodes, UPC, and Data Matrix configurations directly in your web browser. Load codes instantly via your webcam or upload static image files. Operates completely client-side to guarantee that scanned links and sensitive text are never logged.
100% On-Device Privacy Guaranteed
Unlike cloud conversion sites, your documents are processed locally inside your web browser sandbox. We do not collect user data, log operations, or upload files to external servers. Safe, secure, and private.
Tool Capabilities
- Real-time camera reader with instant decode detection
- Static image drag-and-drop barcode parser
- Dynamic QR code generator with live preview updates
- Copy output strings to device clipboard automatically
- 100% private client-side processing sandbox
- Free from subscriptions, watermarks, or registrations
How to Use QR & Barcode Scanner
Follow these simple steps to process your files securely in-browser:
Select QR tab
Choose Scan Code to scan via camera, or Generate QR to encode text/URLs.
Perform action
Point your camera at a barcode to scan, or type characters to watch QR code render live.
Copy or save results
Copy scanned text to clipboard or download the generated QR code as an image.
Frequently Asked Questions
Common questions and answers regarding QR & Barcode Scanner:
Does this scanner require internet connectivity?
No. Decoding and barcode rendering libraries execute locally on your device's browser engine. Your camera feeds never touch external servers.
Can I scan barcodes from screenshots or photos?
Yes. You can drag and drop static image files (PNG, JPG) directly into the scanner viewport, and it will decode the barcode coordinates instantly.
Which formats of codes are supported?
We support high-density formats including QR Codes, UPC-A, UPC-E, EAN-13, EAN-8, Code 128, Code 39, and Data Matrix.