📱 QR Code Generator
Generate QR codes for URLs, text, contacts, and more.
About QR Code Generator
Create QR codes for any text or URL instantly. Supports high and low error correction levels for reliable scanning. Generates downloadable PNG QR codes suitable for printing or digital use.
Features
- Text & URL modes
- Error correction
- Downloadable PNG
Frequently Asked Questions
How does QR code work?
QR (Quick Response) code stores data in a 2D matrix of black and white squares. Smartphones and QR scanners decode the pattern using camera-based recognition to reveal the embedded text or URL.
What is QR code error correction?
Error correction allows QR codes to be read even if partially damaged. Levels: L (7%), M (15%), Q (25%), H (30%). Higher levels allow more damage tolerance but produce denser codes.
How much data can a QR code store?
Maximum capacity: 7,089 numeric characters, 4,296 alphanumeric characters, or 2,953 bytes. Larger data requires QR code version up to 40 (177×177 modules).