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Byakugan Scan
Byakugan Scan is a screen OCR, QR code, and barcode scanner for macOS that runs in-memory without temporary files.
Byakugan Scan is an in-memory screen scanning utility designed for macOS users who need fast text extraction and barcode decoding. It captures selected screen regions straight into RAM, skipping temporary file creation to prevent Spotlight indexing stalls and permission prompt loops. The application uses Apple's Vision framework via the Neural Engine to process text, QR codes, and various barcodes instantly. It is built for developers, researchers, and professionals who frequently need to extract unselectable text, parse codes, or capture tables from their screens. Key features include global keyboard shortcuts, a floating HUD pill, table and grid OCR detection, smart de-hyphenation, and searchable local scan history. The app has no network client entitlements, analytics SDKs, or external Swift package dependencies, ensuring complete local privacy.
Byakugan Scan at a glance
Key features
- Extract unselectable text with optical character recognition
- Decode QR and MicroQR payloads on screen
- Scan EAN, UPC, Code, PDF417, and Aztec barcodes
- Detect tables and grids into Markdown or CSV
- Rejoin split words across line boundaries with smart de-hyphenation
- Store local scans in a searchable history
- Trigger actions via global hotkeys
Use it for
- Extracting unselectable text from videos or slides
- Decoding QR codes on screen with one-click actions
- Scanning product and document barcodes
- Converting captured dashboard grids into Markdown tables
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