Upload PDFs and notes, then ask questions or get audio summaries.
Compare with NotebookLM← Research & summarizeNotebookLM SciSpace ChatGPT
Research & summarize
ChatPDF
✓ Verified this week
Last checked 24 Oct 2026
Upload a PDF and ask it questions. It answers and shows the page it used.
- Web
- Windows
- Android
- iPhone
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How to start in 3 steps
- 1Open ChatPDF. No sign-up needed to start.
- 2Try this first: Drop in a long PDF and ask: "Give me the 5 most important points with page numbers."
- 3Upgrade only if the free plan stops you. Watch out: Free plan allows only 2 documents a day
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- Best for
- Getting quick answers from long PDFs, notes and reports
- Why people like it
- No sign-up needed to start; works in many languages
- Watch out for
- Free plan allows only 2 documents a day
- Free plan
- Yes — check current limits on the tool's website.
- Price
- Free plan (2 documents a day); ChatPDF Plus is paid (price shown after sign-up)
- Free limits
- 2 documents a day
- Works in Hindi
- Yes
- Skill needed
- Beginner
3 alternatives
See all ChatPDF alternativesFinds research papers and explains them in simple words. You can chat with any paper or PDF.
Compare with SciSpaceAll-round assistant for questions, writing, images and files.
Compare with ChatGPTCommon questions
Is ChatPDF free?
Yes, ChatPDF has a free plan. Free limits: 2 documents a day.
How much is ChatPDF in India?
Free plan (2 documents a day); ChatPDF Plus is paid (price shown after sign-up)
Does ChatPDF work in Hindi?
Yes, it works in Hindi.
Which devices does ChatPDF work on?
Web, Windows, Android, iPhone.
What are good alternatives to ChatPDF?
NotebookLM, SciSpace, ChatGPT.