QR Code Generator - Custom QR Codes
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About QR Code Generation
QR (Quick Response) codes are 2D barcodes that can store various types of information and be scanned by smartphones and QR readers. They provide instant access to websites, contact information, WiFi credentials, and much more.
Key Features
- Generate QR codes from text, URLs, and data
- Multiple formats: PNG, SVG, PDF support
- Customizable sizes from 100x100 to 1000x1000
- Four error correction levels (L, M, Q, H)
- Batch generation for multiple codes
- High-resolution output for printing
QR Code Types & Uses
QR Code Examples & Applications
Website URL QR Code
Perfect for business cards, flyers, and marketing materials
https://yourwebsite.com
Contact Information QR Code
Instantly share your contact details
BEGIN:VCARD\nVERSION:3.0\nFN:John Doe\nORG:Company Name\nTEL:+1234567890\nEMAIL:john@example.com\nEND:VCARD
Technical Specifications
Data Capacity
Up to 2,953 bytes, 7,089 numeric digits, or 4,296 alphanumeric characters
Error Correction Levels
- L: Level L (~7%) - Basic recovery for clean environments
- M: Level M (~15%) - Standard recovery for most applications
- Q: Level Q (~25%) - High recovery for outdoor/damaged codes
- H: Level H (~30%) - Maximum recovery for harsh conditions
QR Code Best Practices
Size Guidelines
Minimum 2x2cm for reliable scanning, larger for distance scanning
Contrast Requirements
Use dark code on light background with sufficient contrast
Quiet Zone
Maintain clear border space around the code (minimum 4 modules)
Marketing & Business Applications
Digital Menus
Contactless restaurant menus accessible via smartphone
Product Information
Link to detailed product specs, reviews, or videos
Event Registration
Quick access to ticket booking or event information
Social Media
Direct followers to social profiles or specific posts
Customer Feedback
Link to review forms or satisfaction surveys
App Downloads
Direct link to app stores for mobile app installation
Common Issues & Solutions
Problem: QR code won't scan properly or takes multiple attempts
Solution: Increase size, improve contrast, ensure adequate lighting, and check for damage
Problem: Error when trying to encode large amounts of text
Solution: Reduce content, use URL shorteners, or break into multiple codes
Security & Privacy Considerations
URL Validation
Always verify URLs before creating QR codes to prevent malicious links
Data Sensitivity
Avoid encoding sensitive information like passwords or personal data
Link Expiration
Monitor linked content to ensure URLs remain valid and safe
Phishing Prevention
Educate users about QR code safety and suspicious links
Advanced QR Code Features
Batch Processing
Generate multiple QR codes from CSV data or lists
Custom Branding
Add logos, colors, and custom designs (with caution)
Analytics Tracking
Use trackable short URLs to monitor scan rates and locations
Dynamic Content
Update destination content without changing the QR code