QR Code Generator (Text / WiFi / vCard)
Generate QR codes for URLs, WiFi credentials, and vCard contacts. Custom colors, download PNG or copy straight to clipboard.
Enter content on the left to generate a QR code
3 most useful QR types
- 📝 Text/URL: landing page, Google Maps location, social link
- 📶 WiFi: guests scan and connect — no need to type the password
- 👤 vCard: print on a business card / email signature — scan saves to Contacts
Tips
- Print at least 2cm × 2cm. Longer content → denser QR → needs to be printed bigger.
- Contrast matters: red-on-cream is OK; yellow-on-white may fail older scanners.
- Always test scan before printing/posting.
Who this is for
Content creators, designers, devs handling images/media — compress before upload, base64 for vision LLMs, QR generation.
FAQ
Are images uploaded to TopDev?
Never. All image processing uses the browser Canvas API. Disconnect from the internet to verify — the tool still works.
Is there image history?
No. After download, images leave the tab when you navigate away. No account, no cloud storage.
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