QR and Barcode Reader
Decode a QR or supported linear barcode from a local image without opening its payload.
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How to use QR and Barcode Reader
Decode a QR or supported linear barcode from a local image without opening its payload. The image is downsampled to a bounded luminance surface and passed to the local ZXing decoder. Decoded content remains text and is never navigated, executed or messaged.
- Provide the input and select the documented mode or options.
- Run the tool and review its result and any limits reported below.
- Copy the text result or download a separate output file.
Good to know
- PNG, JPEG or WebP only;10MiB per image,24 megapixels and12,000 pixels per side. The browser applies supported EXIF orientation.
- Raster export does not preserve animation, original color profiles or embedded metadata. Keep your original file.
- Decoding is downsampled to at most1MP; tiny, rotated, damaged or unsupported symbols may fail. One symbol is returned; no camera permissions are requested.
- Processing happens in this browser tab. Inputs and results are not automatically saved or uploaded.
Common questions
What does QR and Barcode Reader process?
The image is downsampled to a bounded luminance surface and passed to the local ZXing decoder. Decoded content remains text and is never navigated, executed or messaged.
What happens to my original input?
The tool creates a separate result. Selected files and pasted data remain on this device; inspect the result before using it in another system.
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