ChatPDF

AI tool for chatting with PDFs and other files, getting summaries with cited sources across one or many documents.

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The ChatPDF homepage — Screenshot of chatpdf.com taken by TopTool.

Pricing: Freemium
Platforms: Web, API
Categories: Office & PDF

About ChatPDF

ChatPDF lets users upload a PDF, or paste a link to a file, video or website, and ask questions about it, with answers that cite the relevant parts of the document. It supports folders and multi-file chats, works with documents in any language, and adds study tools such as summaries, flashcards, slides, an AI writer and an AI detector. A backend API lets developers add PDFs by URL or upload and query them programmatically, with files limited to 2,000 pages or 32 MB.

Good for

Students, researchers and professionals who need quick answers from long papers, contracts or manuals, with citations back to the page.

Watch out for

It reads and answers questions about documents; it does not edit, convert or sign PDFs. The free plan allows 2 documents a day per the site FAQ.

Pricing notes

The site FAQ describes a free plan with 2 documents per day and a ChatPDF Plus plan with unlimited document analysis. No public pricing page was found (chatpdf.com/pricing returns 404), so Plus pricing is not stated here.