ToolBox ProРусская версия

QR Code Generator

Generate QR codes from any text or URL instantly. Customize colors, size, and download as PNG. Free online QR code maker with no registration required.

Everything runs in your browser — your data is never sent to any server.

Why Use a QR Code Generator?

QR codes have become essential in modern communication, enabling quick access to URLs, contact information, Wi-Fi credentials, and more. Our QR Code Generator lets you create customized QR codes instantly in your browser, with full control over colors and size, and no data ever leaves your device.

Key Features

  • Generate QR codes from any text or URL
  • Customizable foreground and background colors
  • Multiple size options from 128px to 1024px
  • Download as PNG or copy as data URL
  • 100% client-side — no data sent to servers

How It Works

  1. Enter the text or URL you want to encode
  2. Choose the size and customize colors
  3. Click Generate to create your QR code
  4. Download as PNG or copy the data URL

Technical Details

This tool uses the qrcode library to generate QR codes using the ISO/IEC 18004 standard. It supports Byte mode encoding with Medium error correction level (15% recovery). The QR code is rendered to a canvas and exported as a PNG data URL, all within the browser.

Frequently Asked Questions

What can I encode in a QR code?

You can encode any text, including URLs, email addresses, phone numbers, Wi-Fi credentials, contact information (vCard), and plain text messages.

Is there a limit to how much text I can encode?

Yes, QR codes have a maximum capacity that depends on the error correction level. For best results, keep the content under 300 characters. URLs and short text work best.

Can I change the colors of my QR code?

Yes! You can customize both the foreground (dark modules) and background colors. Just ensure sufficient contrast so scanners can read the code reliably.

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