Barcode & QR Scanner

Paste a URL or HTML to detect known vulnerable JavaScript library versions. Quick security audit. Client‑side only.

Developer Tools JavaScript scanner security vulnerability

Scan QR codes using your device camera. Decodes text, URLs, and Wi‑Fi credentials directly in the browser. No data sent to server.

Scanner camera live QR code scanner

Open your camera and scan barcodes or QR codes in real time. Uses ZXing JS. No data sent anywhere.

Image Tool barcode camera QR scanner

Upload an image containing a QR code and decode its content. Works offline using JavaScript QR decoder. No camera needed.

Decoder decode image QR scanner

Scan for nearby Bluetooth Low Energy devices using the browser. Read device names and signal strength. Experimental API.

API BLE browser scanner Web Bluetooth

Type a UPC or EAN number and see how a laser scanner would identify it, plus check digit validation.

Developer Tools barcode scanner simulator

Point your camera at a barcode and decode it live. Works with multiple formats. Pure JavaScript barcode detection.

Developer Tools barcode camera live scanner

Tag: Barcode & QR Scanner