Overview
Chat with PDF documents using AI
Best for: PDF Q&A; contract review; research paper comprehension; financial report analysis; textbook study
At a glance
Pricing
- Difficulty
- Beginner-friendly
- Time to productivity
- 5 min
- Privacy
- Medium
- Learning curve
- Instant
Ideal for
Key capabilities
Works with
- PDFs
Outputs
- Chat answers with page references
- highlighted citations
Mobile access
How to use ChatPDF on phones and tablets.
- Mobile web: Works in a mobile browser (responsive or dedicated mobile site).
Free Tier
Free: 2 PDFs/day; 120 pages/PDF; 10 questions/day; basic features
Limits: Free: 2 PDFs/day, 10 questions; Plus: 50 PDFs/day, 1000 questions, 2000 pages/PDF
When to upgrade: Daily PDF/question limits; larger file support; more pages per PDF; API access; folder organization
Technical Details
Alternatives
AI Q&A grounded in your uploaded documents
Free: Full access; upload up to 50 sources per notebook; Audio Overview (podcast generation); sharing
AI-powered PDF reading, summarization, and Q&A
Free: Included with Acrobat paid plans; no standalone free tier; limited preview for free Acrobat users
AI research reading assistant
Free: 5 documents; basic AI Q&A; note-taking; limited features