How to Chat with a PDF Online — Free, With Citations, No Sign-up

A 200-page contract holds three answers you actually need. A research paper has one statistic to quote. Manually skimming the document is half an hour; asking it directly is fifteen seconds. The trick is the answers cite their sources — so you can verify before you trust.

When you actually need Chat with PDF

Legal teams asking contracts for specific clauses, students querying textbooks for definitions, analysts pulling statistics from government reports, recruiters scanning resumes for specific skills.

How to chat with pdf, step by step

Open the tool

Go to convertpdfgo.com/chat. No account, no email, no installation.

Drop the file in

Drag the file onto the upload area or click to pick. Files up to 30 MB go through without a queue. Encrypted in transit (TLS 1.3), encrypted at rest, deleted within one hour.

Configure

Type your question. The AI scans the document and returns an answer with citations.

Download

Open in any reader, paste anywhere, feed to scripts.

Common problems and how to avoid them

Answer says 'not in the document' but you think it is

Try rewording. The system matches semantically, not by exact phrase. 'When does the contract end' may not match 'termination date' on its first pass.

Wrong page cited

Click through to verify. The cited page contains the strongest match, but adjacent pages may have the full context. If the citation is wrong, the answer is suspect.

Scanned PDF returns blank

It's all images — there's no text to query. OCR the file first with our OCR tool, then chat.

A short word on privacy

Three things to know. One: files go over TLS 1.3. Two: files are encrypted at rest while we process them, then deleted automatically within one hour. Three: we don't look at your files or train on them.

How we compare to other free tools

Feature	convertpdfgo	Smallpdf	iLovePDF
Sign-up	None	After 2/day	Optional
Watermark	None	None	None
Auto-delete	1 hour	Vague	2 hours

Frequently asked questions

Does it hallucinate?

Less than a general-purpose chat. We restrict the answers to the document content and every claim cites the page it came from. If you can't find the cited passage, the answer is wrong — easy to verify.

How does it handle large PDFs?

We chunk and index the document at upload time, then retrieve only the relevant chunks at query time. A 200-page contract works the same as a 5-page memo.

Are my files private?

Files are encrypted in transit (TLS 1.3) and at rest, then auto-deleted within one hour. Conversations are tied to your session and not used for training.

Will it work on protected PDFs?

Not directly — unlock the PDF first with our Unlock PDF tool if you know the password.

Is there a usage limit?

No. Free, no daily cap, no sign-up wall, no watermark.

How long does it take?

About 5-30 seconds depending on file size and OCR complexity. Multi-page scans take longer.

What's the file size limit?

30 MB as a guest, 50 MB when signed in.

What to do next

Now you can Extract Text, PDF to Word, or OCR PDF. All free.

Or browse our full list of 49 free PDF tools.