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ChatPDF

ChatPDF lets students and researchers upload PDFs and ask questions, with answers linked to the original document content.

What ChatPDF does

Users upload a PDF and ask it questions in a chat-style interface. Several documents can be grouped into one conversation. Supports documents in many file formats beyond PDF.

Built for

  • Researchers
  • Students
  • Professionals

Key features

  • Multi-file chats with folders for several documents
  • Cited sources linked to PDF references
  • Document summarization on request
  • Side-by-side view of chat and document
  • Support for PDFs in any language

Pros

Pros

  • Answers link back to the source passages in the document.
  • A free option is available with no account needed to start.
  • Handles documents in multiple languages.

Where ChatPDF is listed

ChatPDF is listed under chat with documents in Research AI tools.

See MCP servers for research and Claude skills for research.

Text summarizingAcademic paper researchCitations and references

ChatPDF alternatives

Compare all 5

Rev

Analyzes case files with citations

Rev analyzes case evidence across documents, audio and images with citations, and also does transcription.

Paid plans: see official pricing

Humata

Chat with documents

Humata turns uploaded documents into a searchable knowledge base and also summarizes and compares them, with cited links to sources.

Paid plans: see official pricing

PDF.ai

Chat with documents

PDF.ai lets people ask questions and get summaries of PDFs, and also offers an API for parsing documents.

Pricing: see official site

Elicit

Searches papers and summarizes them

Elicit searches academic papers and summarizes them, and also extracts data from documents.

Free plan · Paid from $11/user/mo (billed annually)

Jenni

Helps researchers read and write

Jenni lets researchers chat across their own library and get cited answers, and also supports writing with citations to source PDFs.

Demo videoFree plan · Paid plans: see official pricing