What is ChatPDF?
Chat with PDFs and get answers with page citations.
Who is ChatPDF best for?
ChatPDF is best for students and researchers who want to question a PDF and check each answer against its page.
Reading research papers
Each answer links to the passage it came from, which scrolls into view in the PDF beside the chat.
Studying for exams
Besides chat, it turns course readings into summaries, flashcards and slides.
Contracts and reports at work
Contracts, financial reports and manuals can be questioned in any language, and folders let several files share one chat.
Quick one-off questions
It works without an account, so you can drop in a file and ask straight away.
How much does ChatPDF cost?
ChatPDF is free for 2 documents a day, and ChatPDF Plus costs $9.99 a month, or $5 a month billed yearly, for unlimited PDFs and questions.
- 2 documents a day
- No account needed to start
- A free account saves chat history and multi-file chats
- Unlimited PDFs and questions
- Up to 2,000 pages per PDF and 50 PDFs per folder
- Higher-quality AI model
Billed yearly, Plus works out to $5 a month, half the monthly price. ChatPDF has no separate pricing page; the plans sit in the Plus upgrade window on its site. Full pricing on chatpdf.com. We checked these prices on .
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What are the best ChatPDF alternatives?
Three tools on Recaply do ChatPDF's job. All three are open source, so you can run them on your own server.
Choose it when you want to question many PDFs, Markdown, Word and org-mode files at once, with the files kept on your machine
Choose it when your documents must stay on your own computer, with no daily document limit like ChatPDF's free plan
Choose it when you need cited answers across Word, Excel, slides and scanned PDFs on your own computer, plus edits as tracked changes
Questions about ChatPDF
What is ChatPDF?
Chat with PDFs and get answers with page citations.
Who is ChatPDF for?
ChatPDF is best for students and researchers who want to question a PDF and check each answer against its page.
Is ChatPDF free?
Yes. ChatPDF has a free plan: 2 documents a day.
How much does ChatPDF cost?
ChatPDF's paid plans are Plus at $9.99 per month.
Is there an open source alternative to ChatPDF?
Yes. Khoj, AnythingLLM and SurfSense are open source tools that do the same job, so you can run your own.
What are the best ChatPDF alternatives?
The closest alternatives on Recaply are Khoj, AnythingLLM and SurfSense.
Where can I try ChatPDF?
On its official website, chatpdf.com.
What files does ChatPDF support?
ChatPDF reads PDF, Word (DOC and DOCX), PowerPoint (PPT and PPTX), Markdown and plain text files. On Plus, a single PDF can run to 2,000 pages and a folder can hold 50 PDFs for one combined chat.
Do I need an account to use ChatPDF?
No. ChatPDF lets you upload a file and ask questions without an account. A free account adds saved chat history and chats across several files, and the free plan covers 2 documents a day.







