The best AI PDF tools in 2026

AI can now answer questions about a PDF, summarize it, translate it and pull data out of it. These are the tools worth using, and where each one is strongest.

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Updated November 8, 2026 by the PDFbat team

The short answer

The best AI PDF tool for most people is PDFbat if you want chat with page citations, summaries, whole document translation to a new PDF, data extraction to JSON or CSV, contract review and smart redaction in the same app that edits and signs your PDF. ChatPDF is the simplest pure chat tool, and NotebookLM is strongest for working across many sources.

What separates these tools is not the chat box. It is whether answers cite pages, whether scanned files work, how large a document can be and what you pay per use.

We build PDFbat, so we state real trade-offs for every product.

At a glance

Feature	PDFbat	ChatPDF	Acrobat AI Assistant	AskYourPDF	NotebookLM
Chat with a PDF	Yes	Yes	Yes	Yes	Yes
Page citations	Yes	Yes	Yes	Check their current plans	Yes
Summaries	Yes	Yes	Yes	Yes	Yes
Translate whole PDF to a new PDF	Yes	Check their current plans	Check their current plans	Check their current plans	No
Extract data to JSON or CSV	Yes	No	Check their current plans	Check their current plans	No
Works on scanned PDFs	Yes, through OCR	Check their current plans	Yes	Check their current plans	Check their current plans
Contract review and smart redact	Yes	No	Contract analysis features	No	No
Edit and sign the same PDF	Yes	No	Yes	No	No
Free allowance	200 AI credits a month	Limited free use	Add on to a paid plan	Limited free use	Free with limits
Paid price	Pro $4/mo, credit packs from $5	from about $5 to $20/mo	Add on, check their current plans	from about $10 to $15/mo	Check their current plans

Competitor details reflect their public pricing pages in November 2026. Check their site for current terms.

Our picks

PDFbat

Best for AI tied to editing, signing and redaction, with scan support

200 free credits a month, Pro $4/mo

PDFbat AI chats with a PDF and cites pages like [p. 4], summarizes, translates a whole PDF into a new PDF, extracts data to JSON or CSV, reviews contracts and finds sensitive data to redact. It works on scans through OCR and handles documents up to 300 pages. AI can also edit the document in the editor and draft documents in Create.

Pros

Page cited answers and scan support
Pay by credits that never expire in packs, from $5 for 5,000
Result stays in an app that edits, redacts and signs

Cons

Credits are used per action based on size, so heavy use needs a plan or pack
Newer product with a smaller community
Browser only, no native app

ChatPDF

Best for quick questions about a single PDF

Free tier, paid from about $5 to $20/mo

ChatPDF is a focused tool: upload a PDF, ask questions and get answers with references. It is easy to use and has a free tier with limits.

Pros

Very simple to use
Answers with source references
Free tier to try

Cons

Chat only, no editing or signing
Free limits on size and questions
Check their current plans for current caps

Adobe Acrobat AI Assistant

Best for people who already pay for Acrobat

Add on to Acrobat plans, check their current plans

Acrobat AI Assistant adds chat, summaries and answers with citations directly inside Acrobat and its web version. It can work across multiple documents, and is sold as an add on.

Pros

Integrated into Acrobat
Works across multiple documents
Trusted vendor

Cons

Extra cost on top of Acrobat
Needs an Acrobat plan
Less useful if you do not use Acrobat

AskYourPDF

Best for chat and research with plugin and library features

Free tier, paid plans available

AskYourPDF lets you chat with documents, keep a library and use browser extensions and integrations. It is aimed at students and researchers.

Pros

Document library and integrations
Student friendly features
Free tier available

Cons

Feature set changes often
Not an editor or signer
Check their current plans

NotebookLM

Best for research across many sources, with audio overviews

Free tier, paid via Google plans

NotebookLM from Google lets you add PDFs and other sources to a notebook, ask questions with citations and generate summaries and audio overviews. It is built for research rather than editing PDFs.

Pros

Works across many sources at once
Cited answers
Free to start

Cons

Not a PDF editor or signer
Requires a Google account
Cannot produce a translated PDF file

PDF.ai

Best for simple chat with a clean interface

Free tier, paid from about $10 to $20/mo

PDF.ai provides chat with PDFs with answers linked to the source text. It offers a free tier and paid plans for larger documents and more questions.

Pros

Clean, simple chat
Answers linked to source text
Free tier

Cons

Chat focused, no editing or signing
Limits on free use
Check their current plans

How we picked

We focused on tools people use to understand, translate and extract from PDFs, not general chatbots. We tested the same kinds of documents on each: a contract, a scanned letter and a long report.

Citations: does the answer point to pages so you can verify it?
Scans: does it work on image only PDFs?
Document size: how many pages can it handle?
Outputs: only chat, or also translated PDFs, JSON and CSV?
Pricing: free allowance and how usage is charged.
Workflow: can you edit, redact or sign the same file?

How to use AI on a PDF safely

AI answers can be wrong, so always check cited pages for anything that matters. For contracts, treat AI review as a first pass, not legal advice.

Before uploading sensitive files, read the provider's privacy terms. If a document contains personal data, consider redacting it first. PDFbat's AI features include smart redact to find and remove sensitive data, and true redaction removes content from the file rather than hiding it.

When a chat only tool is enough

If you just need to ask a few questions about a paper or a report, a chat only tool like ChatPDF or PDF.ai is fine and quick. If your goal is to produce something, such as a translated PDF, a spreadsheet of extracted values, a redacted copy or a signed contract, you want AI built into a full PDF app.

Frequently asked questions

What is the best AI PDF tool?

PDFbat is our pick if you want AI plus editing, redaction and signing in one place. ChatPDF is the simplest chat tool, and NotebookLM is best for research across many documents.

Can AI read scanned PDFs?

PDFbat AI works on scans through OCR. Support varies for other tools, so check their current plans.

Does PDFbat AI cite the page?

Yes. Answers include page citations such as [p. 4] so you can jump to the source and verify.

Can AI translate a whole PDF?

PDFbat translates a whole PDF into a new PDF. Many chat tools only translate text in the chat window.

How is PDFbat AI priced?

The free plan includes 200 AI credits a month and Pro includes 4,000. Credit packs that never expire cost $5 for 5,000, $10 for 12,000 and $25 for 32,000.

How long a document can the AI handle?

PDFbat AI works on documents up to 300 pages. Limits for other tools differ, so check their current plans.

Keep comparing

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