ChatPDFFreemium
Chat with any PDF — summaries, Q&A, and citations from documents.
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AI tools directory
Best AI PDF & Document Assistant in 2026
Chat with PDFs, summarize contracts, and extract data — not the same as file converters
Pro & freemium
Paid & pro
Freemium & paid plans
PDF.aiFreemium
Ask questions about PDF contracts, reports, and research papers.
HumataFreemium
AI for researchers to query PDFs and generate literature insights.
Adobe Acrobat AIFreemium
Summarize and chat with PDFs in Adobe Acrobat and Reader.
LightPDF AIFreemium
Chat with documents and summarize PDFs online.
DocumindFreemium
Upload PDFs and get answers with page references for teams.
UnriddleFreemium
Literature review assistant for PDFs with graph notes and AI chat.
Claude PDFFreemium
Upload PDFs to Claude for long-document analysis and summarization.
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Free tools
No card needed to start
ChatPDF FreeFree
Free chats with PDFs for summaries and Q&A.
Humata FreeFree
Free credits to ask questions across documents.
Free PDF and doc grounding with Google NotebookLM.
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