Local & Secure • 100% Private In-Browser AI • No Cloud Uploads

Ask AI Questions from PDF Documents Instantly

Extract instant answers, insights, and summaries directly inside your browser. No accounts, zero server uploads, and complete data privacy.

Client-Side AI Engine
One-time download (~35 MB). Runs 100% locally and works offline.

Drop your PDF file here

Drag and drop any PDF document under 50MB to begin local AI analysis, or browse from your computer

100% On-Device Neural Model Works Offline After 1st Download Zero Server Uploads & Private
On-Device Neural Question Answering

How to Chat with PDF & Ask AI Questions Online Privately

Analyze PDF files with cutting-edge local AI models running entirely in your browser without sacrificing privacy or speed.

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1. Upload Your PDF Document

Select any PDF file up to 50MB. PDFNetizen extracts document text 100% locally in your device memory.

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2. Ask Any Question

Type your query or click one of the suggested prompts to investigate specific details, contracts, or summaries.

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3. Instant Local AI Answers

The lightweight on-device AI model scans the document text to extract precise answers without sending data to any cloud.

Frequently Asked Questions

Are my documents sent to OpenAI, ChatGPT, or external cloud servers?
No. Our AI question-answering engine runs 100% client-side inside your browser via WebAssembly and Web Workers. Your private documents, financial sheets, and legal contracts never leave your machine.
Why is there a one-time ~35 MB download on the first question?
To guarantee 100% privacy, a lightweight quantized ONNX neural model is downloaded directly into your browser cache. Subsequent queries and future visits execute instantly offline with 0 MB download.
Does this tool work with scanned image PDFs?
AskPDF is optimized for text and vector PDF documents. For scanned image files, use our free OCR Text Extractor tool first, then query the extracted text.