Features
Generate QR codes from any text or URL
Read and decode QR codes from uploaded images
Customize colors, size, and error correction level
Download QR codes as PNG or SVG
Support for WiFi, vCard, and other QR formats
Common Use Cases
- Creating QR codes for URLs and marketing materials
- Generating WiFi login QR codes
- Reading QR codes from screenshots
Frequently Asked Questions
What can I encode in a QR code?
QR codes can encode URLs, plain text, WiFi credentials, email addresses, phone numbers, vCards, geographic coordinates, and more.
What are error correction levels?
QR codes have 4 error correction levels: L (7%), M (15%), Q (25%), H (30%). Higher levels allow more damage while remaining readable, but produce denser codes.
What is the maximum data a QR code can hold?
A QR code can hold up to 7,089 numeric characters, 4,296 alphanumeric characters, or 2,953 bytes of binary data.