QR Code Generator

Create custom QR codes instantly. Customize colors, add your logo, and download in high resolution.

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Higher levels allow the QR code to be scanned even if partially damaged or covered (up to 30%).

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Generated QR codes are processed entirely in your browser. No data is sent to our servers.

Understanding QR Codes

What is a QR Code?

A QR (Quick Response) code is a two-dimensional barcode invented by Denso Wave in 1994 for tracking automotive parts. Unlike traditional barcodes that store data horizontally, QR codes store information in both dimensions, enabling them to hold much more data—up to 4,296 alphanumeric characters. Today, they're ubiquitous: from restaurant menus to payment systems, from boarding passes to digital business cards.

Types of QR Code Content

🌐 URL Links

The most common use. Direct scanners to websites, landing pages, or app download links.

📝 Plain Text

Display messages, instructions, or information without requiring internet connection.

📱 vCard (Contact)

Share contact details instantly. One scan adds name, phone, email, and address to contacts.

📶 WiFi Networks

Connect to WiFi without typing passwords. Great for homes, offices, and guest networks.

📧 Email & SMS

Pre-fill email addresses and subjects, or SMS numbers with messages ready to send.

📍 Location

Encode GPS coordinates to open in maps. Perfect for event venues and store locations.

How to Use This Tool

  1. Enter your content: Type the URL, text, or contact information you want to encode.
  2. Customize appearance: Choose colors, add a logo, and adjust size to match your brand.
  3. Preview your code: See how it looks in real-time as you make changes.
  4. Test before printing: Always scan your QR code with multiple devices to verify it works.
  5. Download and use: Export as PNG in your preferred resolution for print or digital use.

QR Code Best Practices

  • •Maintain contrast: The code should stand out clearly from its background. Light on dark works, but classic black on white is most reliable.
  • •Size matters: For print, ensure codes are at least 2cm x 2cm. Larger for scanning from a distance.
  • •Add context: Include a call-to-action near the code: "Scan for menu" or "Scan to connect".
  • •Use short URLs: Less data means simpler codes with better error correction. Use URL shorteners for long links.

⚠️ Security Note

QR codes can direct users to malicious websites. When generating codes, use URLs you control. When scanning others' codes, check the URL before proceeding. Modern phone cameras show the destination—verify it looks legitimate before tapping.

Frequently Asked Questions

What is a QR code and how does it work?
A QR (Quick Response) code is a two-dimensional barcode that stores data in a grid of black and white squares. When scanned by a camera or QR reader app, the encoded information—typically a URL, text, or contact details—is instantly decoded. QR codes can store up to 7,089 numeric characters or 4,296 alphanumeric characters. They include built-in error correction, meaning they remain scannable even when partially damaged or obscured.
What types of data can I encode in a QR code?
Common QR code data types include: URLs (website links), plain text, email addresses (with pre-filled subject/body), phone numbers, SMS messages, WiFi network credentials (SSID and password), vCard contact information, calendar events, geographic coordinates, and cryptocurrency wallet addresses. This tool supports the most commonly used formats for business and personal use.
How do I ensure my QR code is scannable?
Follow these best practices: maintain sufficient contrast between the QR pattern and background (dark on light works best), keep a quiet zone (white border) of at least 4 modules around the code, print at a minimum size of 2×2 cm (0.8×0.8 inches) for close-range scanning, test on multiple devices before printing at scale, and avoid placing QR codes on highly reflective or curved surfaces.
Do QR codes expire?
Static QR codes (like those generated by this tool) never expire—the data is encoded directly in the pattern. However, if your QR code points to a URL, the code remains valid but the destination page could be taken down. Dynamic QR codes (offered by some paid services) use a redirect URL that can be changed after printing. For permanent use cases like business cards or signage, ensure the destination URL will remain active long-term.
Is my data safe when generating QR codes here?
Yes. This QR code generator processes everything locally in your browser. The data you enter (URLs, text, contact info) is never transmitted to any server. The QR code image is generated client-side using JavaScript. You can verify this by using the tool while offline—it works without an internet connection because no server communication is required.

QR Code Resources

The Resurgence of QR Codes

From a forgotten fad to an essential digital tool. Explore the comeback story of the QR code.

Creative Uses for QR Codes

Beyond the menu: Innovative ways to use QR codes in marketing, business, and art.

QR Code Security Best Practices

How to scan safely and ensure your generated codes are secure for your users.

Bridging Physical and Digital

Using QR codes to create seamless experiences between the real world and the digital realm.

The Future of Contactless Interaction

What's next for contactless tech? How QR codes are paving the way for future interactions.