A logo covers part of the code, use error correction H and verify the result scans.

Runs FeatherQR's built-in decoders (QR Code, Micro QR, rMQR) in your browser, nothing is uploaded. They read rendered images, scans and photographs (rotated, mirrored or tilted); a photograph with glare, damage or blur, or a heavily stylized code, may not decode even when a camera app reads it.

Generates unique codes sequentially (content is suffixed with #1, #2, …) using the current settings, single-threaded on the WASM runtime in this tab. Native .NET throughput is much higher, see the repository benchmarks.