Binary Eye

Binary Eye scans barcodes on Android, with support for inverted codes and portrait or landscape orientation.

github.com/markusfisch/BinaryEye
Binary Eye homepage screenshot

About Binary Eye

Binary Eye is an open-source barcode scanner for Android. It reads barcodes in portrait or landscape orientation, can read inverted codes, and uses the ZXing-C++ barcode library. The app can also generate barcodes. The project describes it as free and without ads.

Other apps and web links can open Binary Eye, and developers can call its scan intent to get results back. Scans can also be forwarded over Bluetooth to a Windows or Linux computer, but this requires a separate companion app. The source states that the author does not develop or maintain these companion apps. The source describes the app only for Android, and the list of barcode formats it can generate is shorter than the list it can read.

Key features

  • Scans barcodes in portrait and landscape orientation.
  • Reads inverted barcodes.
  • Reads QR, Data Matrix, PDF417, Aztec, EAN and UPC codes, among others.
  • Generates barcodes in formats such as QR, Aztec and Data Matrix.
  • Accepts deep links that open the scanner or preset content for encoding.
  • Responds to the ZXing-style SCAN intent so other Android apps can request scans.
Best for: Android users who want a free, ad-free barcode scanner, and developers who want to call a scanner from other Android apps.
Good for
  • Free and without ads, according to the project description.
  • Open source under the MIT license.
  • Works in portrait and landscape orientation and reads inverted codes.
Watch out for
  • Only available for Android, according to the listed platform.
  • MAXICODE support is listed as partial.
  • Bluetooth forwarding depends on companion apps that the author does not develop or maintain.

Binary Eye at a glance

Type
Open-source project
Pricing
Not confirmed. Check the site
Platforms
Android
Open source
Yes · Source code
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

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Binary Eye FAQ

Which platform does Binary Eye run on?
The listed platform is Android.
Is Binary Eye free to use?
The project description says it is free and without ads. Pricing information is listed as unknown.
Can other apps use Binary Eye to scan barcodes?
Yes. Other Android apps can use the com.google.zxing.client.android.SCAN intent to start Binary Eye and receive the scan result.
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