QR Code Generator API

Free QR Code generation via Web API - No registration required

API Usage Example

https://api.dee4u.com/api/qr?data=https://example.com&size=300&format=png

API Documentation

Parameter Required Example Description
data Required https://example.com Data to encode in QR Code
size Optional 300 QR Code size (50-1000 pixels, default: 300)
format Optional png Output format: png, png-transparent, jpg (default: png)
filename Optional myqr Filename for download

Output

Returns QR Code image file in selected format

Frequently Asked Questions

Are there any usage limits?
Free for everyone. Rate limited to 100 requests per hour per IP address
Does it support Thai language?
Yes, supports all Unicode characters including Thai
Can I use this in production?
Yes, but recommend using CDN and caching to reduce API calls