QR Code Generator
Create customizable QR codes for websites, text, contact information and more
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About This Tool
Our QR Code Generator creates instant, customizable QR codes for websites, text, contacts, emails, phone numbers, SMS, and Wi-Fi credentials. This free, privacy-focused tool processes everything in your browser and produces high-quality codes suitable for both digital and print use.
Key Points
- Multiple Content Types: Create QR codes for websites, contact cards, Wi-Fi access, and more
- Easy Customization: Adjust colors, size, and error correction levels
- Privacy Protected: All data processed locally in your browser
- High Quality Output: Download in PNG, SVG, or JPEG formats
About The Author
This tool has been made and verified by an expert in technology. An Enterprise Architect with over 10 years of experience in security, software development, and systems integration. All tools undergo rigorous testing for standards compliance, cross-platform compatibility, and security.
Expert Insights
Expert QR Code Insights
As an enterprise architect who has implemented QR solutions across multiple industries, I've identified key factors for successful implementation:
Error Correction Optimization
For most applications, Medium (15%) error correction provides the optimal balance between data capacity and reliability. For outdoor use or where physical damage is likely, use Quarter (25%) error correction.
Security Best Practices
- Implement pre-scanning validation of QR destinations
- Clearly indicate the final URL before users complete navigation
- Regularly verify that QR code destinations remain secure
Design Considerations
Custom-designed QR codes with logos can maintain 97% scan reliability when implemented correctly:
- Keep logos under 25% of the total area and centered
- Maintain a minimum 7:1 contrast ratio between elements
- Ensure each module remains recognizable to scanners
How to Create and Use QR Code Generator
Quick Start Guide
Creating a QR code is simple with our generator. Select your content type, enter your information, customize if desired, and download your QR code in seconds.
Selecting Content Type
Our QR code generator supports multiple content formats to meet your specific needs:
- Website URLs: Direct users to your website, landing page, or social media profile
- Plain Text: Share messages, quotes, or instructions (up to 4,296 characters)
- Contact Information: Create digital business cards with your contact details
- Email Address: Generate codes that open email composition windows
- Phone Numbers: Create codes that initiate calls when scanned
- SMS Messages: Pre-compose text messages for easy sending
- Wi-Fi Credentials: Help guests connect to networks without typing passwords
Entering Your Content
After selecting your content type, you'll see a form specific to that format:
- For URLs: Include the full address with https:// prefix
- For Text: Type or paste your message
- For Contacts: Fill in name, phone, email, and other relevant fields
- For Wi-Fi: Enter network name, password, and security type (WPA/WEP)
Customization Options
Error Correction
Select an error correction level based on your needs:
- Low (L): 7% recovery capacity - Best for clean environments
- Medium (M): 15% recovery capacity - Good for most uses
- Quartile (Q): 25% recovery capacity - For industrial applications
- High (H): 30% recovery capacity - For outdoor or damaged surfaces
Size and Format
Choose the appropriate size and format for your use case:
- Digital Use: 300-500px PNG works for most digital applications
- Print Materials: SVG format ensures quality at any size
- Minimum Size: Keep printed QR codes at least 2×2 cm for reliable scanning
Testing Your QR Code
Before distributing your QR code:
- Scan it with your smartphone camera
- Verify it leads to the correct content
- Test on different devices if possible
Best Practices
- Maintain Contrast: Use dark patterns on light backgrounds
- Include Instructions: Add a brief call-to-action near your QR code
- Provide Value: Ensure the destination offers clear value to users
- Keep URLs Short: Simpler URLs create less complex QR codes
- Test Before Printing: Always verify functionality before mass production
Troubleshooting
If your QR code isn't scanning properly:
- Increase the size of the printed code
- Ensure adequate lighting when scanning
- Maintain the "quiet zone" (white space) around the code
- Try a higher error correction level
- Check that your device's camera is clean and focused
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 information in both horizontal and vertical patterns. When scanned with a smartphone camera, it instantly connects users to websites, contact information, or other data. QR codes can store up to 4,296 alphanumeric characters, making them much more versatile than traditional barcodes.
What types of content can I create QR codes for?
Our generator supports multiple content types including:
- Website URLs
- Plain text messages
- Contact information (vCard)
- Email addresses
- Phone numbers
- SMS messages
- Wi-Fi network credentials
Is this QR code generator free to use?
Yes. Our QR code generator is completely free with no hidden fees, premium features, or watermarks. You can create unlimited QR codes without registration or payment information.
How private and secure is this tool?
All data processing happens locally in your browser. We don't store your content, track usage, or collect personal information. This ensures complete privacy for sensitive information like Wi-Fi passwords or contact details.
What's the best file format for my QR code?
For digital use (websites, emails, social media), PNG works well. For printing at any size, SVG is ideal as it maintains perfect quality when scaled. For professional printing, PDF is recommended.
References
Technical Standards
- ISO/IEC 18004:2015 - International standard defining QR code structure and specifications
- GS1 QR Code Guidelines - Standards for commercial QR code implementation
- Unicode Standard 15.0 - Character encoding standard supporting international QR content
Tools & Libraries
- QRCode.js - JavaScript library for QR code generation
- jsQR - QR code reading implementation in JavaScript
- Sharp - High-performance image processing for QR outputs
Accessibility Resources
Further Reading
- Denso Wave (2023). "History of the QR Code." QR Code Essentials
- Sharma, V. (2024). "QR Codes in Post-Pandemic Marketing." Journal of Digital Commerce
- Winter, J. (2025). "Security Considerations for QR Code Implementation." Cybersecurity Today
Last updated: May 9, 2025