Free QR Code Generator
Turn a URL into a QR code for business cards, posters, contracts and storefront signs. Wi-Fi, contacts and email are supported too.
Three steps to a working QR code
Pick a content type
Choose what you want to encode: URL, Wi-Fi, contact card and more.
Enter content & tweak design
Preview updates as you type. Adjust colors, margin and error-correction level.
Download PNG or SVG
Grab a print-ready PNG or a lossless SVG and drop it into cards, posters or websites.
Links, Wi-Fi, contacts and more —
all from one widget
Encode URLs, plain text, email (mailto), phone, SMS, Wi-Fi credentials and vCard contacts in standard formats so every modern phone camera reads them.
Custom colors and margins
with a crisp SVG export
Match your brand by tweaking foreground and background colors, and export to SVG so it stays sharp at any size. Pick from four error-correction levels.
Frequently asked questions
Scan a QR,
sign a contract — in one step
Every contract in Nadoo eSign gets its own signing link. Turn that link into a QR code and place it on shop counters, site visits or printed documents — the other party scans, reviews and signs from their phone. Compliant with Korean and Japanese eSignature law.
| Capability | This free tool | Nadoo eSign |
|---|---|---|
| Generate QR codes | ✓ | ✓ Auto-generated per contract |
| Link to contract | Manual copy & paste | ✓ Issued automatically |
| Sign from mobile | — | ✓ |
| Legal weight (eSignature) | — | ✓ eIDAS / KR / JP compliant |
| Audit trail & storage | — | ✓ Stored permanently |
Before you print a QR,
where does it actually lead?
A QR is only as useful as the page it opens. Build a multilingual site in five minutes with the Nadoo AI Website Builder, then put your QR on cards, posters and flyers to drive real traffic.
| Traffic funnel | QR only | QR + Nadoo site |
|---|---|---|
| Landing page | Relies on external links | ✓ Branded domain |
| Multilingual | — | ✓ 15 languages |
| SEO & AEO optimised | — | ✓ Automatic |
| Conversion (forms, booking, checkout) | — | ✓ Built-in |
| Visitor analytics | — | ✓ GA4 integrated |
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