QR Code Studio

Generate, scan, and customize QR codes entirely in the browser — with a REST API for programmatic use.

Next.jsTypeScriptjsQRRadix UI

About

Client-side QR code tool built with jsQR. Generate codes for URLs and text, scan/decode by uploading or pasting images, and customize error correction level, colors, border size, and output quality.

Everything runs in the browser — no data leaves the device.

API

plaintext

GET /api/generate?text=hello&level=H&margin=4&dark=#000000&light=#ffffff&size=512

Returns a base64-encoded PNG of the generated QR code.