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Document OCR ToolScreen to Markdown and PDF, instantly.

Automatic screen capture with Apple Vision OCR for high-accuracy text extraction. Two modes — Web UI and headless CLI — running entirely locally on your machine.

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Document Management Challenges

When you need to reuse text from digital documents, manual copy-paste is inefficient.

  • 01
    Inefficient Manual Copying

    Manually copying text page by page is extremely time-consuming for large documents.

  • 02
    Lost Formatting

    Copied text loses its original structure and formatting, requiring additional cleanup work.

  • 03
    No Searchability

    Image-based documents can't be text-searched, making it hard to find specific information.

  • 04
    No Batch Processing

    No way to convert multi-page documents to text at once — each page must be handled individually.

5-Tab Web UI

A browser-based UI for intuitive operation from capture to export.

  1. 01
    Auto — Screen Capture

    Auto-capture screenshots with automatic page turning from your document app.

  2. 02
    Upload — Image Upload

    Drag & drop manually captured screenshots for upload.

  3. 03
    OCR — Text Extraction

    Batch-process all pages with Apple Vision OCR. High-accuracy Japanese text recognition.

  4. 04
    Edit — Review & Edit

    Review and edit extracted text in the browser. Make manual corrections as needed.

  5. 05
    Export — Download

    Export as Markdown or PDF. Download instantly.

Key Features

Everything you need for document OCR.

  • Auto Capture + Page Turning

    Automatically screenshot document app pages with auto page turning. Manual upload also supported.

  • Apple Vision OCR

    High-accuracy Japanese text recognition using macOS built-in Vision framework. Fully local, no external services required.

  • Auto Spread Page Splitting

    Automatically splits spread pages into left/right halves for correct reading order. Handles landscape scans.

  • Markdown & PDF Export

    Export OCR results as Markdown or PDF. Text-only MD export also available.

  • Headless CLI

    Run from terminal with a single command. Perfect for automation scripts and batch processing.

  • Fully Local Operation

    No data is ever sent externally. All processing runs entirely on your local machine — safe for confidential documents.

Setup

Getting Started

Up and running in minutes.

  1. 01
    Launch Web UI

    Run uvicorn server:app --port 8000 to start the server. Access http://localhost:8000 in your browser.

  2. 02
    Launch Headless CLI

    Run python kindle_cli.py --title "Title" --pages 50 for one-command execution from terminal.

  3. 03
    First-Time Setup

    Run python3 -m venv venv && pip install -r requirements.txt to install dependencies.

Tech Stack

Technology

  • FastAPI + uvicorn

    High-performance API server

  • Apple Vision

    macOS built-in high-accuracy OCR

  • Tailwind CSS

    Dark mode modern UI

  • Local Only

    No external data transfer

Requirements

System Requirements

  • macOS (Apple Silicon / Intel)
  • Python 3.10+
  • Screen Recording permission (enable in System Settings)

Document OCR ToolScreen to Markdown and PDF, instantly.

Automatic screen capture with Apple Vision OCR for high-accuracy text extraction. Two modes — Web UI and headless CLI — running entirely locally on your machine.

View on GitHub