QR Code Generator

Create custom QR codes for URLs, text, contact information, and more

QR Code Generator

Content type:

Customization Options

Size (pixels):

Error correction level:

Foreground color:

Background color:

Margin (modules):

QR Code Preview

QR code will appear here

Batch QR Code Generator

Enter multiple items (one per line):

Size per QR code:

Output format:

Understanding QR Codes

What are QR Codes?

QR (Quick Response) codes are two-dimensional barcodes that can store various types of data. They were invented in 1994 by Denso Wave for tracking automotive parts.

Key Features

• Fast scanning and decoding
• High data capacity (up to 7,089 characters)
• Built-in error correction
• 360° readable from any angle
• Damage and dirt resistant
• Free to use and generate

Error Correction

QR codes use Reed-Solomon error correction, allowing them to be readable even when partially damaged or obscured.

Correction Levels

• L (Low): 7% recovery capability
• M (Medium): 15% recovery capability
• Q (Quartile): 25% recovery capability
• H (High): 30% recovery capability

QR Code Applications

Marketing & Advertising

Link print materials to digital content, track campaign effectiveness.

Posters, business cards, flyers

Contactless Payments

Enable quick mobile payments and digital transactions.

Mobile wallets, payment apps

Event Management

Digital tickets, check-in systems, and event information sharing.

Tickets, badges, programs

WiFi Sharing

Share WiFi credentials without typing complex passwords.

Guest networks, public spaces

Contact Information

Share vCard contact details for easy import to address books.

Business cards, email signatures

Inventory & Tracking

Asset tracking, product information, and supply chain management.

Warehouses, retail, logistics

Best Practices

• Test QR codes before publishing
• Ensure sufficient contrast
• Include a call-to-action
• Consider the scanning distance
• Use appropriate error correction
• Keep URLs short and simple

Design Guidelines

• Minimum size: 2×2 cm for print
• Maintain quiet zone (border)
• Use high contrast colors
• Avoid complex backgrounds
• Test different lighting conditions
• Consider mobile screen sizes

Security Considerations

• Verify QR code destinations
• Use HTTPS URLs when possible
• Avoid sensitive information
• Consider URL shortener risks
• Monitor QR code usage
• Update expired links promptly

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QR Code Generator