QR Code Generator
Generates downloadable QR code images encoding a URL, text or WiFi details in the browser.
QR code details
Generated in your browser with qrcode — nothing is uploaded.
Result
Enter a value and press Generate to see your QR code.
How to use this calculator
- Enter the text or URL to encode.
- Choose a size and error-correction level.
- Generate and download the PNG.
How it works
Builds the QR code in your browser with the qrcode library. Higher error correction survives more damage but packs less data.
Worked example
Link to a page. Paste a URL to make a scannable QR that opens it.
Tips
- Runs entirely in your browser. Your input is not uploaded or stored.
Frequently asked questions
Do my details upload?
No — the QR is generated entirely in your browser.
Which error-correction level?
M (medium) suits most uses; use H if the code may be printed small or get dirty.
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Cite this tool
Zerdly. (2026). QR Code Generator. Retrieved from https://www.zerdly.com/tools/qr-code-generator/
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.