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Free, instant, browser-based — your data never leaves your device
Share your website URL on business cards, flyers, or packaging — visitors scan to open instantly.
Let guests connect without typing the password. Generate a WiFi QR code and print it at your venue.
Pre-fill email recipient, subject and body so the recipient only needs to tap Send.
Link to your online menu. Update the URL anytime — the printed QR code stays the same.
Link to product manuals, warranty registration, or customer support pages on packaging.
Create unique QR codes per attendee for quick scan-to-check-in at events and conferences.
A QR (Quick Response) code is a 2D barcode that can store up to ~4,000 characters. Smartphones scan them instantly with their camera to open URLs, connect to WiFi, save contacts, and more.
Completely free with no limits. QR codes are generated in your browser using JavaScript — no data is sent to any server. Generate as many as you like.
Error correction allows a QR code to be read even if partially damaged. L=7%, M=15%, Q=25%, H=30% of the code can be obscured. Use H if you plan to add a logo. Higher levels make the code denser.
For print, use at least 300px for business cards and 500px for flyers. In real-world terms, the minimum scannable print size is about 2cm × 2cm. For billboards, use vector formats if possible.
Static QR codes (like these) never expire. They encode data directly and work forever as long as the destination URL remains active.
Yes. Choose any foreground (dark) and background (light) colors. Ensure sufficient contrast — the foreground should be at least 3× darker than the background for reliable scanning.