Barcode Scanner – Scan Barcodes Free Online
Scan barcodes and QR codes with your camera or from uploaded images. Free online barcode scanner - no app required.
Camera preview will appear here
Point your camera at a code. Uses ZXing when native barcode detection is unavailable.
100% Private
No Upload
Instant
What is Barcode Scanner?
A barcode scanner reads and decodes barcodes from your device camera or from uploaded images. Our Barcode Scanner uses the ZXing library running entirely in your browser - no app installation required.
How to Use Barcode Scanner
- 1Click Use Camera to scan a barcode with your device camera.
- 2Or click Upload Image to decode a barcode from an image file.
- 3The decoded content is displayed instantly.
Key Features
- ✓Camera-based barcode scanning
- ✓Image upload barcode decoding
- ✓Supports 1D and 2D barcodes
- ✓No app installation required
Benefits
- →Decode barcodes without installing an app
- →Scan barcodes from screenshots and images
- →Use on any device with a modern browser
Why Use Irreva for Barcode Scanner?
Runs 100% in your browser — files never leave your device.
No account, no sign-up, no subscription — free forever.
Works on any device: desktop, tablet, or mobile.
No file size limits from our infrastructure.
Instant results — no server round-trip latency.
Open-source libraries and transparent processing.
Frequently Asked Questions
What barcode types can it scan?
The scanner supports CODE128, EAN-13, EAN-8, UPC-A, UPC-E, QR codes, Data Matrix, and more.
Is my camera feed uploaded to a server?
No. The ZXing library decodes barcodes entirely within your browser using your device's camera stream or uploaded image file. No video feed or barcode data is transmitted to any server.
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Guides & Use Cases
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