📱 QR Code Generator

Create custom QR codes instantly for URLs, text, and more - completely free!

Configure Your QR Code

Your QR Code

Enter content and click "Generate QR Code"

What is a QR Code?

A QR Code (Quick Response Code) is a two-dimensional barcode that stores information in a matrix of black and white squares. Invented in 1994 by Denso Wave, a Japanese automotive company, QR codes were initially designed to track vehicle parts during manufacturing. Today, they have become ubiquitous in our digital world, appearing on product packaging, advertisements, business cards, restaurant menus, and countless other applications.

QR codes can store various types of data including URLs, plain text, phone numbers, email addresses, SMS messages, WiFi credentials, and even cryptocurrency wallet addresses. The amount of data a QR code can hold depends on its version and error correction level, ranging from a few dozen characters to several thousand. What makes QR codes particularly powerful is their ability to be scanned quickly and accurately using smartphone cameras, eliminating the need for typing long URLs or contact information manually.

The technology behind QR codes uses Reed-Solomon error correction, which allows the code to remain readable even if up to 30% of the code is damaged or obscured. This resilience makes QR codes highly reliable for real-world applications where codes might get dirty, partially covered, or printed on irregular surfaces. Modern smartphones can scan QR codes using their native camera apps without requiring any additional software, making them incredibly accessible and user-friendly.

Why Use Our QR Code Generator?

Our free QR Code Generator offers a simple, fast, and secure way to create custom QR codes for any purpose. Unlike many online generators that require registration or payment, our tool works instantly in your browser without storing your data on any server. You can customize the size and colors of your QR codes to match your brand identity, and download them in high-quality PNG format suitable for both digital and print applications.

🌐 Website Links

Share URLs instantly without typing

📱 Contact Info

Share vCards and contact details

📍 Location

Share geographic coordinates

📧 Email

Create mailto links quickly

📶 WiFi

Share network credentials securely

💳 Payment

Generate payment QR codes

Key Features

Instant Generation

Create QR codes in milliseconds without any delays or processing time

Customizable Design

Choose custom colors and sizes to match your brand identity

High Quality Download

Download QR codes in PNG format, perfect for print and digital use

Privacy Focused

All processing happens in your browser - no data is stored or transmitted

Mobile Friendly

Works perfectly on all devices - desktop, tablet, and mobile

No Registration

Use immediately without creating an account or signing up

How to Use the QR Code Generator

  1. Enter Your Content: Type or paste the text, URL, phone number, or any information you want to encode into the QR code
  2. Customize Size: Adjust the QR code size using the slider or number input (128px to 512px). Larger sizes work better for print materials
  3. Choose Colors: Select custom foreground (dark) and background (light) colors to match your branding. Ensure good contrast for reliable scanning
  4. Generate QR Code: Click the "Generate QR Code" button to create your custom QR code instantly
  5. Download: Click the "Download QR Code" button to save your QR code as a high-quality PNG image file
  6. Test Before Use: Always test your QR code with multiple devices and scanning apps to ensure it works correctly

Best Practices for QR Codes

  • Maintain Contrast: Use dark colors on light backgrounds or vice versa for optimal scanning
  • Test Thoroughly: Scan your QR code with different devices and apps before distribution
  • Size Appropriately: Ensure QR codes are large enough to scan from the expected viewing distance
  • Add Context: Include a brief description near the QR code so users know what to expect
  • Avoid Distortion: Don't stretch or compress QR codes - maintain square aspect ratio
  • Keep It Simple: Shorter content creates simpler QR codes that are easier to scan
  • Error Correction: Our generator uses medium error correction, allowing up to 15% damage tolerance

Frequently Asked Questions

What information can I encode in a QR code?
QR codes can store various types of data including website URLs, plain text, phone numbers, email addresses, SMS messages, WiFi credentials, contact information (vCards), geographic coordinates, calendar events, and even small images or files. The maximum data capacity depends on the QR code version, but generally ranges from about 100 to 3,000 alphanumeric characters. For best scanning performance, it's recommended to keep the content concise and focused.
Can I customize the appearance of my QR code?
Yes! Our generator allows you to customize both the foreground (dark squares) and background (light areas) colors of your QR code. You can choose any color that matches your brand or design preferences. However, it's crucial to maintain sufficient contrast between the foreground and background colors to ensure reliable scanning. Dark colors on light backgrounds work best. You can also adjust the size from 128px to 512px depending on your needs.
Are the QR codes generated by this tool permanent?
Yes, QR codes are static and permanent. Once generated, they contain the encoded information directly within the code pattern itself. The QR code will continue to work indefinitely as long as the image file is preserved. Unlike dynamic QR codes that redirect through a URL shortener, static QR codes (which our tool creates) don't rely on any external service or subscription, making them completely free and permanent. This is ideal for printed materials like business cards, flyers, or product packaging.
What size should I make my QR code for printing?
The ideal QR code size depends on the scanning distance and the amount of data encoded. As a general rule, the minimum size should be at least 2 x 2 cm (about 0.8 x 0.8 inches) for close-range scanning. For printed materials like business cards, 2.5 x 2.5 cm works well. For posters or signs that will be scanned from further away, use larger sizes - typically 5 x 5 cm or more. Our generator can create QR codes up to 512px, which provides excellent quality for both digital and print use. Always test print a sample before mass production.
Do QR codes work if they're damaged or partially covered?
Yes! QR codes include built-in error correction using Reed-Solomon error correction codes. Our generator uses medium-level error correction (level M), which allows the QR code to remain scannable even if up to 15% of the code is damaged, dirty, or obscured. Higher error correction levels can tolerate up to 30% damage but require more complex codes. This resilience makes QR codes highly reliable for real-world use where they might get scratched, partially covered by stickers, or printed on curved surfaces.
Is this QR code generator free to use?
Absolutely! Our QR Code Generator is 100% free to use with no hidden costs, subscriptions, or limitations. You can generate unlimited QR codes for personal or commercial use. There's no need to create an account or provide any personal information. All processing happens locally in your browser, ensuring your privacy while providing instant results. Download as many QR codes as you need in high-quality PNG format, perfect for any application.