QR Code Generator — Create Custom QR Codes Instantly
Create professional QR codes with our versatile QR Code Generator. The tool supports various QR code types: URLs/links, plain text, contacts (vCard), and WiFi network configurations. Customize foreground and background colors individually and choose between four sizes (128x128 to 1024x1024 pixels). Error correction is fixed at the highest level (H), so codes stay readable even when partly damaged. Generated QR codes can be downloaded as PNG or SVG and are optimized for both digital media and print.
ISO/IEC 18004 Client-Side Only
Related tools
- UUID Generator Generate v1, v4, v7 and NIL UUIDs using cryptographically secure random numbers. Bulk generation with multiple output formats for databases and APIs.
- Password Generator Create strong, random passwords with customizable length and character sets. Passphrases, pronounceable patterns, strength meter and bulk generation.
- Hash Generator Generate SHA-1, SHA-256, SHA-384 and SHA-512 hashes for text and files. Cryptographic hash generator with HMAC support and file integrity verification.
- Lorem Ipsum Generator Generate Lorem Ipsum placeholder text with customizable paragraphs, sentences and words. Combine types freely and copy with one click for mockups and layouts.
Features
- Generate QR codes for URLs, text, vCard contacts and WiFi networks
- Four sizes from 128x128 to 1024x1024 pixels
- Custom foreground and background colors
- Maximum error correction (level H, ~30% damage recovery)
- Download as PNG or SVG
- Instant preview on generation
- 100% client-side generation
Error Correction Levels
- L (Low): ~7% error correction - use for clean environments
- M (Medium): ~15% error correction - recommended for most use cases
- Q (Quartile): ~25% error correction - better damage tolerance
- H (High): ~30% error correction - maximum reliability
Common Use Cases
- Website URLs: Quick access to websites from printed materials
- Contact Information: vCards for easy contact sharing
- Wi-Fi Credentials: Share network access without typing
- Product Information: Link to manuals or product details
- Event Tickets: Digital tickets and check-in systems
- Payment Links: Quick payment processing
Useful Resources
ISO/IEC 18004:2015 QR Code Standard Official international standard for QR code symbology
QR Code.com - Official QR Code Information Information from DENSO WAVE, the original developer of QR codes
qrcode-generator Library JavaScript library used by this tool for generating QR codes in the browser
QR Code - Wikipedia Comprehensive overview of QR code technology and applications