Barcode Reader
Read barcodes from images
100% private — everything stays in your browser
BarcodeDetector API is not supported in this browser. Try Chrome or Edge.
How to use Barcode Reader
- 1 Enter your data — Upload an image containing a QR code or barcode.
- 2 Configure options — Adjust the size, colors, or format as needed.
- 3 Get your result — View the decoded data instantly. Your image never leaves your browser.
Frequently asked questions
- Is there a file size limit?
- There's no server-imposed limit since everything runs on your device. The practical limit depends on your browser's available memory — most files up to a few hundred MB work fine.