HPR4702: MakeACopy is an open-source document scanner app for Android

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작성 Ken Fallon11/08/2026 às 00:00107 조회
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🎙 Ken Fallon · Hacker Public Radio

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MakeACopy

MakeACopy is an open-source document scanner app for Android that allows you to digitize paper documents with OCR functionality. The app is designed to be privacy-friendly, working completely offline without any cloud connection or tracking.

Features

  • Camera Scanning : Capture documents using the device camera
  • Edge Detection : Automatic document edge detection using OpenCV, enhanced with an ONNX model (DocAligner)
  • Perspective Correction : Adjust and crop documents with manual or automatic perspective correction
  • Image Enhancement : Apply filters (grayscale, contrast, sharpening)
  • OCR : Offline text recognition with Tesseract
  • OCR Review : Interactive review and correction of OCR results with word-level editing, dictionary-based suggestions, confidence highlighting, and re-OCR for individual words
  • PDF Export : Save as searchable PDF with recognized text
  • JPEG Export : Export scans as high-quality JPEG images (configurable quality, color/BW)
  • Multi-page Scanning : Combine multiple pages into one document; reorder and manage pages before export
  • Last Scans : Quickly access and reuse your most recent scans
  • Share & Save : Export locally or share with other apps
  • Dark Mode : Material 3 theme with day/night support
  • Privacy-Focused : 100% offline functionality, no internet connection required

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