QR Code Generator
Turn text, URLs or WiFi into QR codes with adjustable size and error correction
Content
Error correction
About this tool
Nobody types a URL from a poster, and reading a WiFi password aloud loses to a quick scan. This tool turns any text or URL into a QR code instantly, with adjustable size (256-1024 px) and error correction (L/M/Q/H) - higher correction keeps the code scannable even when partially covered.
Output is a crisp PNG / JPG ready for business cards, posters and table tents. Generation happens locally in your browser via the qrcode library: intranet URLs and unpublished links are safe to encode.
Tips: denser content means denser modules and slower scans - prefer short links; the WiFi template assembles the standard WIFI:T:WPA;S:...;P:...;; string for you; contact cards work well as vCard text.
Features
- Instant generation for any text or URL, no sign-up
- WiFi template: fill name and password, the standard format is assembled
- Size 256-1024 px and error correction L / M / Q / H
- Adjustable foreground / background colors, HD PNG / JPG download
- Fully local generation - no upload, no watermark
How to use
- Pick the content type (text / URL / WiFi) and fill it in
- Adjust size, error correction and colors if needed
- Watch the live preview and verify with your phone
- Download the PNG / JPG for print or sharing
Frequently asked questions
- Do the generated codes ever expire?
- No. A QR code is just a picture of your content - whatever is encoded is what scanners get, forever. "Dynamic" codes elsewhere expire because they route through someone else’s redirect service; these are direct codes with no such dependency.
- Which error-correction level should I choose?
- L tolerates ~7% occlusion with the sparsest modules; H tolerates ~30% and suits labels that may get scuffed or partially covered (car decals, nameplates). M or Q is right for on-screen use; pick L for long content to keep the grid light.
- Can guests really join WiFi by scanning?
- Yes. Switch to the WiFi template, enter the SSID, password and security type, and the tool produces the standard WiFi QR format - iOS and Android cameras connect directly without the password being shared in plain text. Very old Android devices may need WeChat or a scanner app instead of the camera.
- Can I put my logo in the middle?
- Not yet. As a workaround, generate at error correction H and overlay your logo yourself - up to ~20% coverage in the center still scans. The feature is planned.