ClarityPDF

Mick Lab - Mitsuo Kuroda

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About this app

ClarityPDF is a next‑generation document tool that unifies PDF editing, conversion, OCR, AI summarization, and a built‑in local OCR API into one powerful app.
Edit text, add images, restructure pages, extract characters, and generate AI summaries—all directly on your device.
Every operation is fast, secure, and designed to work offline, making ClarityPDF ideal for business, study, and everyday document tasks.

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◆ Home Screen: Four clear categories
The home screen provides four simple categories so you can find what you need instantly:

- PDF Creation & Editing
- PDF Conversion & Page Management
- OCR & AI‑OCR (+ Local OCR API)
- Settings

Input files are always read‑only. Your original PDF is never modified.
All results are saved as new files for complete safety.

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◆ OCR & AI‑OCR: High‑accuracy text extraction and intelligent summaries
ClarityPDF offers multi‑engine OCR (Tesseract / PaddleOCR / Local LLM Vision) and also provides a local OCR API server for automation and LAN workflows.

● OCR / Text Extraction
Extract text from PDFs and images.
Embedded text and OCR‑recognized text are separated and can be exported as JSON.

Choose from three engines:
- Tesseract
- PaddleOCR
- Local LLM Vision

Large documents can run in the background.

● PDF Summaries (AI)
Summarize entire documents or individual pages using an LLM.
Choose between:
- OCR → LLM
- Vision → LLM (direct page image analysis)

Vision‑based analysis handles complex layouts, tables, and diagrams with high accuracy.

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◆ Local OCR API (Expert Mode)
Enable Expert Mode to expose your device as an OCR API server.
Other devices on the same LAN can send OCR requests directly.

- Endpoint: POST http://:/ocr
- Input: multipart/form-data (file, engine, lang)
- Output: JSON (text, confidence, per‑page results)

Ideal for automation, batch OCR, local LLM pipelines, and secure offline environments.

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◆ Offline‑ready: Fast and secure
All PDF and image processing is performed locally on your device.
Only the following operations require network access:
- First‑time OCR model download
- First‑time Japanese font download
- LLM usage (only to the configured server; default is 127.0.0.1)

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◆ Why users choose ClarityPDF
- Complete PDF editing, conversion, OCR, and AI summarization
- Local OCR API for automation and LAN tools
- Original files are never overwritten
- Fast local processing
- Multi‑engine OCR + Vision AI
- Clean, intuitive interface
- Works offline
- Ideal for business, education, research, and everyday use

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◆ Recommended for
- Editing PDFs directly on mobile
- Extracting or merging pages
- Converting images to text
- Summarizing long documents with AI
- Working securely without cloud uploads
- Building local OCR workflows via API
- Using local LLMs inside corporate environments

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◆ Output location
Choose the output folder from each screen.
If not specified, files are saved to Download/PDFToolkit.

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ClarityPDF transforms your PDF workflow into a fast, precise, and secure mobile experience—now with a powerful local OCR API for advanced automation.

What’s new

A Highly Integrated All-in-one PDF Tool