A Google Doc is where the real work lands — the proposal, the contract, the meeting notes, the 14-page brief nobody has time to re-read. Using AI to read those Docs for you is an obvious win, right up until the AI says something the Doc never did and you have no fast way to tell.
The fix isn't a smarter chatbot. It's making every answer point back to the passage it came from, so checking it takes a click. Here's how to use AI in Google Docs that way.
Why "paste it into ChatGPT" falls short
Copy-pasting a Doc into a general chatbot is the default, and it has the same three weaknesses every time:
- No source. The answer can't show you which paragraph it used, so you either trust it blindly or re-read the whole Doc — which defeats the point.
- Stale snapshots. The moment you paste, you've forked a copy. Edit the Doc and your chat is answering yesterday's version.
- It's clumsy for long Docs. Past a certain length you're chunking and pasting, and the model quietly drops the parts that didn't fit.
The better approach: read the Doc in place, cite the passage
Sidenote is a browser extension that connects to Google Docs with read-only access — the required documents.readonly scope reads only the Doc you open, and an optional drive.readonly scope (which you can decline) is used solely to render that Doc as a PDF. No Drive browsing, no write access. It answers questions about the Doc you have open, with a citation on every claim.
Step 1 — Connect Google Docs (once, read-only)
Sign in with Google and grant read-only access. There's nothing for a Workspace admin to deploy org-wide — each person grants their own access, and Sidenote can only read a Doc once you open it.
Step 2 — Ask the Doc a real question
Open the Doc, open the side panel, and ask the thing you actually need:
What does this contract say about termination, and what notice period applies?
Sidenote ingests a clean, paragraph-anchored snapshot of the Doc and answers from it. Each answer carries a citation; click it and Sidenote opens that passage in its viewer and highlights it — so you see exactly what the answer was built on, instead of scrolling fourteen pages of legalese.
Step 3 — Summarise long Docs into something you can trust
For a sprawling brief or a wall of meeting notes, ask for a summary as a list of decisions and owners — every line cited back to the section it came from. A summary you can spot-check in one click is one you can actually act on.
Working across a draft and its spec
Some questions span two Docs — "is this draft consistent with the spec?" Bundle both into a Collection and ask once; Sidenote answers across the set and cites which Doc each point came from. The same works for a draft plus its brief, or a contract plus its amendment.
How this differs from Gemini in Workspace
Gemini is Google's own AI, bundled into Workspace and tuned for Google's apps. Sidenote is a lightweight per-user extension that works across Google Docs and everything else you read — Confluence, Notion, PDFs, articles — and grounds every answer in a citation you can click straight to the source. If you've been reaching for a general chatbot instead, the Sidenote vs ChatGPT comparison covers why a purpose-built, cited reader beats an upload-first chat for document work.
Your Doc content is never used to train AI models and is stored in a UK region isolated per account — see security & compliance for the detail.
The short version
- Don't paste Google Docs into a chatbot — you lose the source and the live version.
- Use a read-only tool that answers from the Doc you have open and cites the passage each answer used.
- For multi-Doc questions, bundle them into a Collection and ask across the set.
Frequently asked questions
What's the best way to use AI in Google Docs?
Use a browser tool that reads the Doc in place with read-only access and cites each answer back to the passage it came from. Open the Doc, ask your question in the side panel, and click any citation to open and highlight the exact source — so you can verify without re-reading.
Can AI summarise a Google Doc and show its sources?
Yes. Sidenote summarises the Doc you have open and attaches a citation to each point; clicking one opens that passage in the viewer and highlights it, so every line of the summary is traceable to the Doc.
Is it safe to give an AI tool access to my Google Docs?
Check the scopes it requests. Sidenote uses read-only Google scopes — documents.readonly for the Doc you open, plus an optional drive.readonly used only to render that Doc as a PDF (you can decline it) — never write access, and it never trains models on your content. No Drive browsing or listing. See is it safe to upload documents to AI? for a checklist that applies to any tool.