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Which AI agent for documents fits your Mac work?

AI document tools for Mac from Adobe, Readdle, UPDF, OpenAI, Anthropic and Microsoft: what each suits, and where Nudocs fits. From the makers of Nudocs.

Updated

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Apple silicon · macOS 13 or later · Nutrient DWS account required

Short answer

Nutrient makes Nudocs, so read this as one vendor’s comparison. There is no single best AI agent for documents on a Mac; it depends on the job. PDF apps with AI built in suit questions about a PDF you already work in, general assistants suit open-ended work across files, and Word add-ins suit edits inside Word. Nudocs fits when you want an edited copy of a PDF, fields extracted with sources, a fact comparison or DOCX tracked changes. Checked November 2026 against each vendor’s own pages.

PDF apps with AI built in

If you already read and mark up PDFs in one app, its built-in assistant keeps the answers next to the page.

  • Adobe Acrobat. AI Assistant answers questions about a PDF with source citations and highlights where it found each answer. Adobe lists its generative AI features in Acrobat and Acrobat Reader on macOS, and describes editing PDF text by chatting with AI Assistant. Best for: people who already work in Acrobat.
  • PDF Expert by Readdle. PDF Copilot, opened from the AI button in a PDF, can answer questions, summarize the file, list its main points and summarize annotations. Readdle says it needs macOS 13 or later. PDF Expert itself edits PDF text, fills forms, signs and merges PDFs. Best for: an all-round PDF editor with an assistant attached.
  • UPDF. UPDF AI chats with a PDF, summarizes it, explains terms, makes mind maps and translates whole documents or page ranges, with assistants for contracts and other document types. UPDF says its AI works across its apps, including on Mac. Best for: reading and translating long documents.

General AI assistants with Mac apps

These start from a conversation rather than a document, so they handle broad questions across several files. Check each answer against the files yourself.

  • ChatGPT by OpenAI. The ChatGPT app for macOS needs macOS 14 or later. ChatGPT can work with documents you attach, including PDF and DOCX files, to summarize them, compare two files or find specific information. Best for: open-ended questions and drafting from documents you upload.
  • Claude by Anthropic. Claude Desktop runs on macOS 13 or later. Claude can create Word, Excel, PowerPoint and PDF files in a conversation, and, depending on your plan, Cowork in the desktop app can work with folders you connect instead of files you upload. Best for: longer, multi-step tasks across many files.

AI inside Word

If your documents are Word files and you spend the day in Word, an add-in keeps the AI where the edits happen.

  • Claude for Word by Anthropic. An add-in for Word on Mac, version 16.61 or later. It answers questions with clickable section citations, edits selected text, and in tracked changes mode its edits land as revisions you accept or reject in Word. Best for: reviewing and revising documents without leaving Word.
  • Copilot in Word by Microsoft. In Word for Microsoft 365 for Mac, Copilot can rewrite, reorganize and summarize selected text, and you choose whether to replace the original. Microsoft notes it may not be available in every account or organization. Best for: drafting and rewriting if your Microsoft 365 account includes it.

Where Nudocs fits

Nudocs is a document agent for your Mac. You tell it what you need, then review the result alongside your files. It is built around four jobs:

  • Update a date, an amount or selected text in an existing PDF, and save an edited copy.
  • Extract named fields and table rows from documents into a structured result, with source references and missing values flagged.
  • Compare documents by facts, showing where they agree, conflict or leave a question open, with citations.
  • Revise a DOCX with a focused edit and request tracked changes.

Where another tool fits better

For filling in forms, signing, or combining and reordering pages, use Preview or a PDF editor such as PDF Expert. For a report of every difference between two PDFs, Acrobat Pro’s Compare Files is built for that; a Nudocs comparison covers the facts you ask about and is not an exhaustive version diff. If you work in Word all day, an add-in keeps you there. And for a long reading session in one PDF, the assistant inside your PDF app saves switching.

When you do use Nudocs to edit a PDF, layout preservation is not guaranteed, so check the edited copy in context.

Nudocs runs on Macs with Apple silicon and macOS 13 or later, and you need a Nutrient DWS account. The Mac app is free; document and AI services use DWS free allowances or paid usage. Depending on the task, your instructions and document content may be sent to AI providers and Nutrient services, so read the desktop Privacy Policy before you add files.

Example request

“Extract the supplier name, invoice date and total from each of these invoices into one table. Show where each value came from and flag any invoice with a missing total.”

Before you use it

What to check

  • Try each tool on a document you know well, so mistakes are easy to spot.
  • Follow citations back to the page; a cited answer is only as good as the passage behind it.
  • For edits, compare the output with the original before you send it.
  • Read each vendor’s privacy terms to see where your documents go.
  • Check the vendor’s own page for current requirements, because features change.

Questions

What is the best AI agent for documents on a Mac?
It depends on the job, and Nutrient makes Nudocs, so we don’t claim one tool wins everywhere. Use a PDF app’s assistant for questions about a PDF, ChatGPT or Claude for open-ended work, a Word add-in for edits inside Word, and Nudocs for edited copies, extraction with sources, fact comparisons and DOCX tracked changes.
Which AI tools work inside Word on a Mac?
Anthropic lists Word on Mac version 16.61 or later for Claude for Word. Microsoft lists Word for Microsoft 365 for Mac for Copilot’s rewrite tools in Word.
Is Nudocs an AI document assistant or a document editor?
It does both kinds of job. It cites sources when you extract or compare, and it saves an edited copy when you change a PDF or revise a DOCX. Check each result before you use it.
What do I need to use Nudocs?
A Mac with Apple silicon running macOS 13 or later, and a Nutrient DWS account, which you sign in to the first time the app opens. The Mac app is free. Document and AI services use DWS free allowances or paid usage, depending on your plan and task.

Get Nudocs

Try it on your next document task. You might even love it.

Download for Mac →

For Macs with Apple silicon running macOS 13 or later. A Nutrient DWS account is required. The Mac app is free; document and AI services use DWS free allowances or paid usage, depending on your plan and task. Check DWS pricing.

Choosing an AI agent for documents on Mac | Nudocs