PDF DeepSearch | Offline AI Document Intelligence and Semantic Finder Windows App

Search Thousands of PDFs in Seconds — Fully Offline

Stop wasting hours manually searching through PDF folders.
PdfDeepSearch turns your document library into a smart, searchable intelligence system.

Powered by AI, OCR, and semantic search — all running locally on your Windows PC.
No cloud. No subscriptions. No data leaks.

✅ Perfect For

✔ Researchers & students managing large document archives
✔ Lawyers & legal teams reviewing case files and contracts
✔ Marketing agencies organizing briefs, reports, and proposals
✔ Lead generation pros extracting emails, phones & URLs from PDFs
✔ Business teams handling hundreds of internal documents
✔ Anyone who works with large PDF collections daily

⚡ Features

	Ultra-Fast Full-Text Search Search thousands of PDFs instantly using Lucene.NET indexing. Find any word, phrase, or keyword across your entire library in seconds.
	Semantic AI Search Find what you mean — not just what you typed. Local ONNX embeddings understand context and intent, no internet needed.
	OCR for Scanned PDFs Extract text from image-based or scanned documents using Tesseract OCR. Make any PDF fully searchable instantly.
	Bulk Data Extraction Automatically pull emails, phone numbers, URLs, dates, currencies, and percentages. Ideal for lead generation and data mining workflows.
	Duplicate & Near-Duplicate Detection Instantly find and remove redundant files cluttering your archive. Keep your document library clean and organized.
	Document Clustering & Topic Grouping Automatically group similar documents by topic or content. Understand your document library at a glance.
	Side-by-Side PDF Comparison Compare two documents with a built-in text diff engine. Spot changes, additions, and differences in seconds.
	Advanced Filters & Saved Searches Filter by folder, date, size, page count, or custom tags. Save your most-used searches for instant recall.
	CSV, TXT & JSON Export Export search results and extracted data in your preferred format. Ready for spreadsheets, CRMs, or custom workflows.
	100% Offline & Private All processing happens on your machine — no API keys, no cloud uploads. Your documents never leave your PC.

Why You Need This

❌ Manually opening PDFs one by one to find a single piece of information
❌ Losing hours searching through hundreds of scanned documents
❌ Paying for cloud services that upload your confidential files
❌ Missing critical data buried deep inside thousands of PDFs
❌ No way to compare, cluster, or extract data at scale

PdfDeepSearch solves all of this — in one offline desktop tool.
Index once. Search forever. Extract everything. Stay private.

How You Can Profit

✔ Extract leads (emails, phones) from PDF directories and sell to clients
✔ Offer document management services to law firms and agencies
✔ Speed up legal document review and charge premium hourly rates
✔ Automate data extraction workflows and sell as a service
✔ Save 10–20 hours per week and redirect that time to paid work

This is not just a search tool — it’s a productivity and profit machine.

⚡ Fast Results

Index your entire PDF library in minutes.
Search across thousands of documents instantly.

OCR scanned files and make them fully searchable in one click.
Extract bulk data — emails, phones, URLs — without opening a single file.

Example:
Search 10,000 PDFs and extract 500 email leads in under 5 minutes.

Simple 3-Step Setup

	Step 1 — Install Run the EXE file on Windows 10 or 11.
	Step 2 — Index Your PDFs Point the app to your PDF folder and run the indexer. Supports thousands of files.
	Step 3 — Search, Extract & Export Use full-text, semantic, or Boolean search instantly. Extract data in bulk and export to CSV, TXT, or JSON.

Requirements

✔ Windows 10 / 11 (64-bit)
✔ .NET Desktop Runtime 8.0 or later
✔ 4 GB RAM minimum (8 GB recommended for large libraries)
✔ No internet connection required — fully offline

• Version 1.0.0 — Initial release with full feature set including full-text search, OCR, semantic AI, bulk extraction, duplicate detection, PDF comparison, and export tools.

	Does this require an internet connection? No. PdfDeepSearch is 100% offline. All AI, OCR, and search processing runs locally on your Windows PC.
	Does it support scanned PDFs? Yes. Built-in Tesseract OCR extracts text from image-based and scanned PDFs. They become fully searchable after indexing.
	How many PDFs can it handle? PdfDeepSearch is built for scale. It can index and search thousands of PDFs efficiently using Lucene.NET.
	Can I export extracted data? Yes. Export results in CSV, TXT, or JSON format. Perfect for CRMs, spreadsheets, or custom data workflows.
	What operating systems are supported? Windows 10 and Windows 11 (64-bit). Requires .NET Desktop Runtime 8.0 or later (free from Microsoft).