UtiLive.dev

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AboutPrivacy
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QR Code Generator & Scanner

Generate QR codes from text and decode QR from images.

Features

  • • QR Generation: Create QR codes from any text or URL
  • • QR Scanning: Decode QR codes from uploaded images
  • • Multiple Formats: Support for URLs, emails, phone numbers, WiFi, and more
  • • High Quality: Generate crisp, scannable QR codes
  • • Instant Preview: See QR code changes in real-time

Quick Examples

Generate QR Code

Scan QR Code

Supported formats: PNG, JPG, JPEG, GIF, WebP

QR Code Types & Use Cases

URLs & Links

  • • Website links
  • • Social media profiles
  • • App store links
  • • Download links

Contact Information

  • • Phone numbers
  • • Email addresses
  • • Contact cards (vCard)
  • • Business cards

Network & Connectivity

  • • WiFi credentials
  • • Bluetooth pairing
  • • Network settings
  • • Device pairing

Data & Content

  • • Plain text messages
  • • JSON data
  • • Coordinates
  • • Product information

Technical Information

QR Code Specifications

  • • Version: 1-40 (determines size and capacity)
  • • Error Correction: L (7%), M (15%), Q (25%), H (30%)
  • • Data Capacity: Up to 2,953 bytes (version 40)
  • • Character Sets: Numeric, Alphanumeric, Binary, Kanji

Best Practices

  • • Keep URLs short for better scanning
  • • Use high contrast colors
  • • Ensure adequate size for scanning
  • • Test QR codes before distribution
  • • Consider error correction level