Catalytic WizAlert — free, private online tools

QR Code Generator

Create custom QR codes for links, text, Wi-Fi and more. Pick colours, gradients, dot styles and add your logo — generated right in your browser.

Welcome to the QR Code Generator tool!

Create QR codes for links, text, Wi-Fi networks, email and phone numbers, and style them to match your brand. The preview updates as you type.

1. Choose what to encode

  • Link / text: any URL or plain text.
  • Wi-Fi: network name, security type and password — scanning joins the network without typing the password.
  • Email: opens a new email with the address, subject and message filled in.
  • Phone: starts a call to the number.

2. Style it

  • Colour presets or your own colours, optionally as a gradient.
  • Transparent background for placing the code on designs.
  • Dot style (square, rounded, dots) and corner style (square, rounded, circle).
  • Centre logo: upload an image. Error correction switches to H automatically so the code still scans.

3. Export

  • PNG at 256–2048px (set in Advanced), or SVG that scales to any size for print.
  • The copy button puts the PNG on your clipboard to paste into chats and docs.

Tips for reliable scanning

  • Keep strong contrast — dark code on a light background scans best.
  • Keep a quiet zone (margin) of at least 2 modules around the code.
  • Shorter content makes a simpler code that scans from further away.
  • Always test-scan a styled code with your phone before printing it.

Everything is generated in your browser — your content and logo are never uploaded anywhere.