QR Code Scanner Online - Scan QR Code Free

Scan QR codes online for free with ScanApp. Scan instantly using your camera, webcam, or upload image files, photos, and screenshots. Works on PC, Mac, laptop, Android, and iOS without any app downloads or registration!

ScanApp is a free, open-source web-based QR code and barcode scanner. Scan QR codes with your webcam or upload an image file — no install, no signup, no ads. Works on Windows, macOS, Android, iOS, Linux, and ChromeOS. Scanning is done locally on your device for full privacy.

Supported codes

QR Code, Aztec, Code 128, Code 39, Code 93, Codabar, Data Matrix, EAN-13, EAN-8, ITF, PDF417, UPC-A, UPC-E, MaxiCode, and RSS-14.

How to scan a QR code

Open scanapp.org in your browser, grant camera permission, point your camera at the QR code, and the result will appear instantly. You can also upload an image of a QR code from your device.

Frequently Asked Questions

How do I scan a QR code without an app?

Open scanapp.org in your browser on any device — no app download required. Grant camera permission and point your camera at the QR code. The result appears instantly. Works on iPhone, Android, PC, Mac, and Chromebook.

Can I scan a QR code on my PC or laptop?

Yes. Open scanapp.org on your PC or laptop, click 'Allow' when asked for camera permission, and hold the QR code in front of your webcam. You can also upload a screenshot or image file containing a QR code.

How do I scan a QR code from a screenshot?

On scanapp.org, click the 'Upload Image' option and select your screenshot from your device. ScanApp will decode the QR code from the image instantly without needing a camera.

Is it safe to scan QR codes?

ScanApp processes all QR codes locally on your device — no data is sent to any server. Always check the decoded URL before tapping it, especially for unsolicited QR codes in public places.

What is the best free QR code scanner?

ScanApp is a free, open-source QR code scanner that works directly in your browser. Unlike app-store scanners, it has no ads, no subscription, no signup, and no data collection. It works on all platforms including iPhone, Android, Windows, Mac, and Linux.

How do I scan a QR code on Windows 11?

Open scanapp.org in Chrome, Edge, or Firefox on Windows 11. Click 'Allow' when prompted for camera access. Hold the QR code in front of your webcam or upload an image file containing the QR code. See our Windows 11 guide.

Can I scan a QR code from an image on my phone?

Yes. Open scanapp.org in your mobile browser, tap the file upload option, and select any image from your gallery, photos, or files. ScanApp decodes QR codes from images entirely on your device.

What types of codes can ScanApp scan?

ScanApp supports QR Code, Aztec, Code 128, Code 39, Code 93, Codabar, Data Matrix, EAN-13, EAN-8, ITF, PDF417, UPC-A, UPC-E, MaxiCode, and RSS-14.

Does ScanApp work on iPhone?

Yes. Open scanapp.org in Safari on your iPhone, grant camera permission, and scan any QR code or barcode instantly. No app download needed. ScanApp also works on iPad using the same method.

Does ScanApp store my scan data?

No. ScanApp processes all scans locally in your browser. No scan data, images, or results are ever sent to ScanApp's servers. Your privacy is fully protected.