QR Code Decoder

QR Code Decoder — runs fully client-side, your data never leaves the browser.

🔒 Lock All processing happens locally in your browser. Files never leave your device and there is no file-size limit.

How to use QR Code Decoder

1. Upload: click the drop area or drag your files in — batch selection is supported.
2. Adjust options: pick the output format or page range; the defaults work out of the box.
3. Run and download: everything runs locally in your browser, then save the result.

Is QR Code Decoder free?

Yes. QR Code Decoder on Baizhuan is completely free with no usage limits and no account required.

Are my files uploaded to a server?

No. QR Code Decoder runs entirely inside your browser, so your files never leave your device.

Do I need to install anything?

No. QR Code Decoder works directly in the browser on Windows, macOS, Linux, Android and iOS.