Utility
QR Code Generator & Scanner
Create and scan QR codes entirely offline. Processing stays on your device.
How to Use
- Enter text to generate a QR code, or upload an image to scan.
- Download PNG/SVG for generated codes.
- Copy decoded text from scans.
Key Features & Privacy Advantage
- All processing happens locally in your browser. Your files are never uploaded to a server.
- Generate with qrcode.
- Decode with jsQR.
- PNG/SVG downloads.
Technical Breakdown
QR generation encodes your string into a matrix and renders to canvas/SVG. Decoding samples pixel data from an uploaded image via jsQR. Blurry photos fail more often — use sharp, high-contrast images.
Frequently Asked Questions
Is my QR data uploaded?
No. All processing happens locally in your browser. Your files are never uploaded to a server.
Wi‑Fi QR format?
Use the WIFI:T:...;; payload format your devices expect.
Why won’t it scan?
Try a clearer crop, higher contrast, and less perspective distortion.
SVG vs PNG?
SVG scales cleanly for print; PNG is universal for apps.