QR Code Scanner – Scan QR Codes Free Online
Scan QR codes with your camera or from uploaded images. Instant browser-based QR code decoding. Free, no app required.
Camera preview will appear here
Point your camera at a code. Uses ZXing when native barcode detection is unavailable.
What is QR Code Scanner?
A QR code scanner reads and decodes QR codes either from your device camera or from an uploaded image file. Our QR Code Scanner uses the ZXing library running entirely in your browser - no app installation required. It works on desktop and mobile browsers.
How to Use QR Code Scanner
- 1Click Use Camera to scan a QR code with your device camera.
- 2Or click Upload Image to decode a QR code from an image file.
- 3The decoded content is displayed instantly.
- 4Copy the result with one click.
Key Features
- ✓Camera-based QR scanning
- ✓Image upload QR decoding
- ✓Instant results
- ✓No app installation required
- ✓Runs in your browser
Benefits
- →Decode QR codes without installing an app
- →Scan QR codes from screenshots and images
- →Use on any device with a modern browser
Why Use Irreva for QR Code Scanner?
Frequently Asked Questions
Does it work on mobile?
Yes. The camera scanner works on mobile browsers that support the MediaDevices API.
Can I scan QR codes from images?
Yes. Upload any image containing a QR code and the tool will decode it.
Is my camera feed uploaded to a server?
No. The ZXing library decodes QR codes entirely within your browser using your device's camera stream. The video feed and decoded content never leave your browser tab  no server receives any data.
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