Question 1

What QR code features are supported?

Accepted Answer

The decoder supports all QR code versions (1-40), all four error correction levels (L, M, Q, H), all eight mask patterns, and multiple data modes (numeric, alphanumeric, byte/UTF-8, kanji). It includes perspective correction for skewed codes and Reed-Solomon error correction.

Question 2

Can I scan a QR code with my camera?

Accepted Answer

Yes. Click the camera button to start your device camera. Point it at a QR code and the decoded result will appear automatically. You can also upload an image file.

Question 3

Is the image uploaded to a server?

Accepted Answer

No. All image processing and QR decoding happens locally in your browser using pure JavaScript. Your images never leave your device.

📷 QR Code Decoder

Input

Decoded Result

Input

Decoded Result

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