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Chat with PDF

Chat with a PDF

Ask questions about any PDF and get instant, sourced answers powered by AI.

Chat with a PDF online

PDF Vision turns a PDF into a document you can question. Chat with PDF needs a Premium or Gold plan — the page shows a membership wall to everyone else — so check your plan before you upload. Once you're in, your file's text is extracted into a temporary server-side session and Claude answers in plain language using only that document, citing page numbers like [p. 4] so every claim can be checked. Image-based files go through OCR automatically, but only the first 15 pages are recognised, so run PDF OCR on longer scans first. Ask about clauses, figures, dates or obligations, follow up without repeating yourself, and export the exchange as a .txt transcript. When something isn't in the file, the assistant says so rather than guessing.

How to chat with a PDF

  1. Sign in with a Premium or Gold plan

    Chat with PDF sits behind a paid membership. Without one the tool page shows a membership wall instead of the uploader, so upgrade before you start.

  2. Upload your PDF

    Drop any PDF into the chat tool. Text-based files are read directly; scans go through OCR automatically, but only over their first 15 pages — process longer scans with PDF OCR first.

  3. Ask, verify, export

    Type a question in any language, follow the [p. X] citations back to the source pages, keep asking follow-ups, then export the conversation as a .txt transcript. Note that the tool's interface and its quick prompts are currently in French.

Why use it

Answers cite pages

Each answer points back with a [p. X] marker matching the page it came from, so you can open that page and confirm the wording yourself before acting on it.

Follow-ups keep context

The last twenty messages travel with each new question, so you can narrow a clause, ask about its exceptions, then request an example without re-explaining the document. AI use is metered per day — Premium includes 20 documents and 200 questions, Gold 200 documents and 2,000 questions — so a long session is comfortable on either plan.

No invented answers

Claude is instructed to use only your document and to reply that it cannot find the information when a question falls outside the file, rather than producing a plausible guess.

Frequently asked questions

Is Chat with PDF free?
No — it needs a Premium or Gold plan. The tool page blocks free accounts with a membership screen, and the server refuses them on every AI endpoint as well. Premium includes 20 AI documents and 200 questions per day; Gold raises that to 200 documents and 2,000 questions.
Which AI reads my PDF?
Claude, by Anthropic. The extracted text of your document is sent to Anthropic with your question, and Claude replies in the language you asked in, even when the PDF is written in another one.
Are the answers accurate?
They come from your document and carry page citations, but extraction can struggle with complex tables and dense layouts. Treat the citations as the check: open the cited page before relying on any figure or clause.
Can I chat with a scanned PDF?
Partly. Image-based files are OCR'd automatically, but only the first 15 pages are recognised — anything beyond that is left out without warning, so answers and citations will cover just part of a long scan. If OCR recovers too little, the upload stops with an on-screen notice about scanned files; there is no automatic hand-off, so run PDF OCR yourself and upload the searchable version.
How big can the PDF be?
No size limit is enforced on this tool today: the upload route sets no maximum and the page checks only the file extension. Page count matters less than you would expect, because only the extracted text reaches the model — a 200-page text PDF is often lighter than a short scan.
What happens to my file after the chat?
Your PDF is uploaded to the PDF Vision server — it does not stay in your browser — and it is deleted from disk as soon as its text has been extracted. The extracted text stays in a server-side session that expires one hour after it was created, then is discarded. Switching documents or closing the page does not reliably end that session early, so count on the one-hour expiry rather than on leaving the page.

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