Is the image uploaded?

No. Decoding runs in your browser.

What does the safety check do?

Follows the link's redirects and checks every hop against Google Web Risk and our blocklist. If the check can't run, it says so instead of guessing.

Up to the code's error-correction level.

Point your camera or drop an image. We decode it, follow every redirect and check each one against Google Web Risk before you open it.

Drop a QR code image, or choose a file.

Decoded

Upload an image to see what it encodes.

Decoded in your browser. The image is never uploaded; only a decoded web link is sent for the safety check.

Is the image uploaded?: No. Decoding runs in your browser.
What does the safety check do?: Follows the link's redirects and checks every hop against Google Web Risk and our blocklist. If the check can't run, it says so instead of guessing.
Can it read damaged codes?: Up to the code's error-correction level.