About CodePeek
CodePeek is a free, privacy-first QR code and barcode reader. It runs as a website and installs as an app on Android and iPhone. Scan with your camera, upload an image, or share a picture from another app — and CodePeek tells you exactly what the code contains.
Built around one rule
Nothing leaves your device. All decoding and analysis happen locally, even offline. See the privacy policy.
Codes it reads
QR codes, the common 1D product barcodes (EAN-8/13, UPC-A/E, Code 39/93/128, ITF, Codabar, GS1 DataBar), and other 2D codes (Data Matrix, Aztec, PDF417).
What it understands
- Website links — with the real domain highlighted and warnings for insecure or lookalike addresses.
- Product barcodes — the number, check-digit validation and GS1 country/region prefix (and ISBN for books).
- Wi-Fi network credentials.
- Contacts (vCard and MeCard).
- Calendar events, email, phone, SMS, and locations.
- Two-factor authentication and cryptocurrency payment codes, with appropriate cautions.
We're steadily growing the on-device library of code formats it recognises.
Install it
In a supported browser, use "Add to Home Screen" (iPhone) or "Install" (Android/desktop Chrome) to get the full app experience, including the ability to receive images shared from other apps.