QR codes & barcodes
Tools will load when you run.Barcode Scanner
Read standard linear barcodes from an image or your camera and export the identifier and detected format as JSON.
How to use Barcode Scanner
- Choose your PNG, JPEG, WebP, BMP, GIF.
- Upload a clear barcode image or start the camera. Include the full bars and clear side margins.
- Read the result locally and download the decoded identifier. The camera stops after a successful scan.
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 standard linear barcodes locally from an image; browser Scan also supports a camera. Use a sharp image with complete bars and clear side margins.
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 →