QR codes & barcodes
Tools will load when you run.QR Code Decoder
Decode a QR image to reveal its stored text, link, Wi-Fi credentials, contact card or JSON data.
How to use QR Code Decoder
- Choose your PNG, JPEG, WebP, BMP, GIF.
- Upload an image showing the complete QR code, including its border.
- Download a JSON report. Original generator settings and the image behind a link cannot be recovered.
Process multiple files
Use a workflow to apply the same settings to each file.
Formats and requirements
- Input formats
- PNG, JPEG, WebP, BMP, GIF
- Output
- JSON
- Availability
- Free in your browser and through the CLI
- Files per operation
- 1
- Browser file limit
- 16 MiB per file, 128 MiB total
What to expect
Reads QR payloads locally from an image; Scan also supports a browser camera. Reverse reveals the stored content, not the original image or generator settings. No links are opened automatically.
Do my files leave my device?
No. Thanks to advanced file-processing technology, your files are processed directly on your device, inside your browser. OneKit does not receive your input files or results. Required public processing libraries may download when you first use the tool.
File privacy and local processing →