MakeACopy
* Fixed crash on certain Android 15 devices (e.g. Redmi Note 13 Pro 5G) when starting OCR processing
— switched from OpenMP-enabled Tesseract to non-OpenMP variant to avoid sched_setaffinity crashes
* Fully offline, no cloud or tracking
Features:
• Camera scanning: Capture documents using your device’s camera
• Edge detection: Automatic document boundary detection using OpenCV, enhanced by a custom-trained ONNX inference model
• Perspective correction: Manually or automatically adjust document perspective
• Grayscale export: Optional grayscale filter applied during PDF creation
• OCR: Offline text recognition using the open-source Tesseract engine
• PDF export: Save scanned documents as searchable PDFs
• Share & save: Export locally or share via other apps
• Dark mode: System-based Material 3 theme with light and dark appearance
• Privacy-focused: Fully offline — no data leaves your device
MakeACopy is F-Droid compliant and builds OpenCV native libraries from source during the build process, ensuring that no prebuilt binaries are included in the repository. All components are open source and respect your privacy.
MakeACopy is free and open source. If you find it useful, please consider supporting development: https://ko-fi.com/egdels
License: Apache License 2.0
- Author: egdels
- License: Apache License 2.0
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Versions
Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.
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x86_64This version requires Android 10 or newer.
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x86This version requires Android 10 or newer.
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Download APK 98 MiB PGP Signature | Build Log
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arm64-v8aThis version requires Android 10 or newer.
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Download APK 98 MiB PGP Signature | Build Log
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armeabi-v7aThis version requires Android 10 or newer.
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Download APK 89 MiB PGP Signature | Build Log
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x86_64This version requires Android 10 or newer.
It is built and signed by the original developer, and guaranteed to correspond to this source tarball.
Download APK 101 MiB PGP Signature | Build Log
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x86This version requires Android 10 or newer.
It is built and signed by the original developer, and guaranteed to correspond to this source tarball.
Download APK 99 MiB PGP Signature | Build Log
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arm64-v8aThis version requires Android 10 or newer.
It is built and signed by the original developer, and guaranteed to correspond to this source tarball.
Download APK 98 MiB PGP Signature | Build Log
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armeabi-v7aThis version requires Android 10 or newer.
It is built and signed by the original developer, and guaranteed to correspond to this source tarball.
Download APK 89 MiB PGP Signature | Build Log
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x86_64This version requires Android 10 or newer.
It is built and signed by the original developer, and guaranteed to correspond to this source tarball.
Download APK 101 MiB PGP Signature | Build Log
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x86This version requires Android 10 or newer.
It is built and signed by the original developer, and guaranteed to correspond to this source tarball.
Download APK 99 MiB PGP Signature | Build Log
-
arm64-v8aThis version requires Android 10 or newer.
It is built and signed by the original developer, and guaranteed to correspond to this source tarball.
Download APK 98 MiB PGP Signature | Build Log
-
armeabi-v7aThis version requires Android 10 or newer.
It is built and signed by the original developer, and guaranteed to correspond to this source tarball.
Download APK 89 MiB PGP Signature | Build Log
* Major internal refactoring for improved code quality and maintainability
* Introduced Hilt dependency injection — replaced all manual singletons
* Significantly expanded test coverage with 200+ new unit tests
* CI pipeline now includes automated quality gates (compile, test, lint)
* Fixed deprecation warnings and resolved all Android Lint issues (0 issues)
* Repository pattern consistently applied across all UI components
* Minor bug fixes
* Fully offline, no cloud or
* Improved shadow removal for scanned documents (broader illumination correction)
* Enhanced local contrast (CLAHE) for sharper, more readable text
* Switched to Gaussian-weighted adaptive thresholding for better document binarization
* Improved binarization quality for low-resolution images (e.g. from autoscan)
* PDF Classic B/W mode now includes shadow removal and contrast enhancement
* Faster image capture by removing unnecessary post-focus delay
* Fully offline, no cloud or t



