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contract-2024.pdf uploaded
You
What's the termination clause?
FileStack
Section 8.2 states that either party may terminate with 30 days written notice. Early termination incurs a fee of...
You
Summarize the payment terms
FileStack
The agreement specifies quarterly payments of...
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Everything you need from your PDFs

One tool to understand, analyze, and work with any document.

Chat with any PDF

Ask questions in plain language and get answers with page references.

Summarize in seconds

Get concise summaries of long contracts, papers, or reports.

Translate 50+ languages

Translate documents or ask questions in your native language.

Extract tables and data

Pull structured data from invoices, tables, and financial documents.

Merge and split

Combine multiple PDFs or extract specific pages in one click.

Your documents never leave your computer.

100% local processing. No uploads, no cloud.
Works fully offline after install.
No account, no tracking, no telemetry.

How it works

1

Open any PDF

Drag and drop or browse to select your document.

2

Ask in plain language

Type a question, request a summary, or ask for a translation.

3

Get precise answers

Receive answers with exact page references you can verify.

How FileStack compares

FileStack AI ChatPDF Adobe Acrobat Notion AI
Cost Free $20/mo $23/mo $10/mo
Runs locally ✓ ✕ ✕ ✕
Privacy 100% local Cloud upload Cloud Cloud
Languages 50+ 30 20 12
Data extraction ✓ Limited ✓ ✕
Document limit Unlimited 3/day 25/mo 20/mo

"Our legal team reviews 200+ contracts monthly. FileStack lets us query them locally without uploading confidential documents to any cloud service."

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Sarah Chen
Legal Operations Associate, Whitfield Partners
System requirements

Windows 10 or 11 · 8 GB RAM · No GPU required · 500 MB disk space · Works offline

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