100% Client-Side Private

Chat with PDF AI Studio

Pro

Ask questions, summarize chapters, extract financial metrics, and cite exact page numbers from any PDF. Runs 100% privately in-browser with optional Gemini & GPT-4o keys.

Privacy & Data Disclosure: By default, this tool uses Local Hybrid RAG running 100% on-device in your browser with zero server uploads. If you configure optional cloud AI engines (OpenAI GPT-4o Mini or Google Gemini), relevant document excerpts are transmitted securely via their respective APIs using your personal API key. DocuDev never stores, logs, or transmits your files to any intermediate server.

Select or Drop PDF to Chat With

Upload contracts, research papers, textbooks, or annual reports. Instant vector indexing locally in-browser.

Browse PDF File

Hybrid Semantic Document RAG

Combines keyword scoring, paragraph clustering, and extractive summarization with page citation mapping.

Multi-Model Flexibility

Run 100% free locally or connect OpenAI (GPT-4o), Google Gemini, or local Ollama endpoints using your private API keys.

Zero Cloud Data Storage

Your PDF contracts, tax forms, and healthcare documents remain in your computer memory and are never stored on any server.

How to Chat with Any PDF Document Online

Upload Document

Upload your research paper, financial report, or manual.

Ask Questions

Type your question or click one of the pre-built prompt chips like "Executive Summary" or "Extract Metrics".

Inspect & Export

Review answers with verified page citations and export your complete conversation transcript as Markdown.

Frequently Asked Questions

How does Chat with PDF work without uploading files to a server?

DocuDev uses PDF.js to extract full vector text directly inside your browser. Our local Retrieval-Augmented Generation (RAG) engine indexes paragraphs and matches queries in memory.

Can I use my own OpenAI or Google Gemini API key?

Yes! Click the Settings icon in the top right to select OpenAI (GPT-4o / GPT-4o-mini), Google Gemini 1.5, or a local Ollama endpoint. Your API keys remain saved in your browser's localStorage only.

Are my confidential business reports secure?

Yes, 100%. When using the default local search engine, no data ever leaves your device.

AI & ForensicsClient-Side Verified

100% In-Browser Execution

How to Use Chat with PDF (AI)

Ask questions, analyze contracts, and get instant answers from any PDF document. Follow the quick steps below to operate this tool with maximum speed and complete local privacy.

100% Private

Zero Server Upload

Instant Speed

In-Memory Engine

Free & Unlimited

No Watermarks

Zero Install

Runs in Any Browser

Step-by-Step Instructions

Simple, actionable steps to use Chat with PDF (AI) efficiently.

1Step 1

Upload Document

Upload your research paper, business report, contract, or textbook.

2Step 2

Ask Anything

Type any question or select pre-built prompt chips like 'Executive Summary' or 'Financials'.

3Step 3

Inspect Citations

Review verified page citations and export your complete conversation transcript.

How It Works & Capabilities

Technical advantages and operational functions of this tool.

1. In-Memory Input

Files or text inputs are ingested directly into active browser RAM. No temporary files or logs are ever transmitted to any external server.

2. Client-Side Processing

Calculations, transformations, and compilations are performed locally utilizing WebAssembly and modern JavaScript engines for real-time speed.

3. Instant Local Export

Save your results immediately to disk or copy data to clipboard. Outputs maintain complete original quality with zero watermarks.

Frequently Asked Questions

Clear answers about privacy, limitations, and how Chat with PDF (AI) functions.

How does Chat with PDF work?

DocuDev parses document text locally using PDF.js and runs an in-browser Hybrid Semantic RAG search engine to provide accurate contextual answers and page citations.

Is my document uploaded to external AI servers?

By default, no. All text indexing and local summarization runs 100% on your device in browser memory with zero network uploads.

Can I connect OpenAI or Google Gemini?

Yes. You can optionally provide your own OpenAI or Google Gemini API key to leverage external LLM models directly from your client browser.

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