QR Code Reader failed or not working — what can you do?

What you can do

• Open QR Code Reader and retry with a small known-good sample.
• Confirm you are not hitting this limit: All recognition runs locally in your browser — data is not uploaded to any server.
• Check the FAQ below—encryption, size limits, and format mismatches are the usual causes.
• Still stuck? Try a private window, or read the full guide /#article/qrcoderead.

FAQ

What limitations should I know?

All recognition runs locally in your browser — data is not uploaded to any server.

When might it fail?

Supported image formats: jpg, jpeg, png, webp, heic, heif.

What else should I watch for?

Single image size limit: Max 5MB.