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AI PDF & Document Chat

PDF.ai

A broader AI document tool that adds OCR for scanned files, document editing and conversion, and an API alongside its core chat-with-PDF feature.

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What it does

PDF.ai extends the core “chat with your PDF” idea with a broader toolset: OCR for scanned documents, annotation features, format conversion, and a developer API, in addition to its conversational Q&A. That makes it a better fit than simpler chat-only tools for scanned paperwork, legal or business documents that mix formats, or developers who want to build document intelligence into their own product rather than use a standalone app.

Ideal users

  • People who regularly work with scanned documents that need OCR before they can be searched or chatted with
  • Users who want document editing, conversion, and merging alongside AI chat, not just Q&A
  • Developers who want API access to build PDF chat or extraction into their own product

Who should avoid it

  • You just want the simplest possible one-off PDF question — ChatPDF requires less setup
  • You need team workspaces and shared document libraries built around collaboration — Humata fits better
  • You want a free tier with generous limits for ongoing regular use

Key features

  • AI-powered OCR to extract text from scanned or image-based PDFs
  • Chat interface for asking questions about uploaded documents
  • Annotation tools — highlighting, commenting, drawing
  • Document merging, splitting, and conversion to Word, Excel, and image formats
  • Developer API for programmatic access

Pros

  • OCR support handles scanned documents that text-only tools can't process
  • Broader document-editing toolset than pure chat-only competitors
  • API access makes it usable as a backend component, not just a consumer app
  • Useful for legal, business, and research documents that mix scanned and native PDFs

Cons

  • No meaningful free tier for ongoing use beyond a limited trial
  • More feature surface than someone who only wants simple Q&A may need
  • Team and enterprise-specific collaboration features are less developed than dedicated team tools

Pricing

Paid — $17/month (Pro tier)

PDF.ai's tiers are Hobby (free; 1 PDF upload, 100 questions/month, 2 OCR pages per file), Pro at $17/month (100 uploads, 1,000 questions/month, 10 OCR pages per file, Chrome extension), Ultimate at $27/month (unlimited uploads and questions, 50 OCR pages per file), and Enterprise at $37/month (100MB file size limit, 100 OCR pages per file, live chat support, white-labeling). Annual billing lowers these to roughly $10, $20, and $30/month respectively.

Typical workflows

  • A paralegal uploads a scanned contract, lets PDF.ai's OCR extract the text, and then asks questions about specific clauses instead of manually re-reading the scan.
  • A developer integrates PDF.ai's API into an internal tool so employees can query company PDFs (manuals, policies) without leaving an existing app.

Integrations

  • Developer API for custom integrations
  • Chrome browser extension for chatting with PDFs stored locally, via public URL, or in Google Drive/Dropbox

Privacy & security notes

PDF.ai states it does not permanently store uploaded files — documents are purged from production servers 60 minutes after processing, over encrypted (SSL/TLS) transfer, and the company states it does not sell personal data to third parties.

Frequently asked questions

Does PDF.ai work with scanned documents?

Yes — it includes built-in OCR to extract text from scanned or image-based PDFs, which is a key difference from simpler tools like ChatPDF that require a text layer already present in the file.

Is there a free plan?

PDF.ai's free access is limited compared to some competitors; check the current pricing page for exact trial limits, as free-tier terms in this category change frequently.

Can I use PDF.ai as a backend for my own app?

Yes — it offers a developer API for programmatic document parsing, extraction, and chat, rather than only a consumer-facing web app.

Does PDF.ai do more than just chat?

Yes — beyond Q&A, it includes annotation tools and document conversion/merging/splitting features, making it closer to a broader document toolkit than a chat-only tool.

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