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QR Code Scanner
Read a QR code from an image right in your browser.
Security
QR Code Generator
Turn any text or URL into a scannable QR code. Pick an error-correction level, generate instantly, and download the result as a PNG — all inside your browser.
Create a QR code
Your QR code
QR code preview appears here
How it works
Encoded on your device
Byte-mode encoding
Your text is converted to UTF-8 bytes, padded with the right terminator, and split into data codewords — the same process every QR reader expects.
Reed–Solomon & masking
Error-correction codewords are appended, then all eight mask patterns are scored so the clearest, most scannable grid wins.
Drawn to a canvas
The finished module matrix is painted onto a canvas at ten pixels per module, so the PNG you download stays crisp at print sizes.
Questions
QR code generator FAQ
What can I encode in a QR code?
Any short text works — a website URL, Wi-Fi details, an email address, a phone number, a coupon code, or plain notes. Longer input simply needs a larger QR version, so keep it concise for the easiest scanning.
Which error-correction level should I pick?
Level M (about 15% recovery) suits most on-screen and print uses. Choose Q or H when the code will be printed small, placed on a curved surface, or partly covered by a logo; choose L when you want the smallest possible grid for clean input.
Is my data uploaded?
No. The QR matrix is calculated in JavaScript on your device and drawn straight to a canvas. Nothing you type is sent to a server, stored, or logged.