Private writing assistant inside LibreOffice Writer (Ollama)
An open-source LibreOffice Writer extension that sends selected text to a local Ollama or LM Studio server to rewrite, summarize, fix grammar, translate or continue writing, with an editable preview before applying.
Solo2-10 peopleWriting assistantUse existing hardwareSensitivity: High (client/confidential)
Hardware
| Item | Approx. price (as of 2026-10-16) |
|---|---|
| Existing computer that can run Ollama or LM Studio | Not stated in source |
Source prices are as stated by the source. Retailer offers: prices checked 2026-10-16, may change. Some links may be affiliate links; we may earn a commission at no extra cost to you. This never changes what we list.
Software stack
- LibreOffice Writer
- Ollama or LM Studio
- lo-ai-assistant extension (.oxt)
Models used
- llama3.2 (example in README)
Good at
- Rewrite with tone (Formal, Concise, Academic), summarize, grammar fix, translate
- Result preview is editable before it touches the document
- No data sent to the cloud
Weak at
- Tested on Linux; macOS/Windows 'should work' per README
- Small project; quality depends on the local model
Rough total cost
Software is free; hardware cost not stated.
Getting started
- Install Ollama, then: ollama pull llama3.2 and ollama serve.
- Download lo-ai-assistant.oxt from Releases.
- LibreOffice: Tools > Extension Manager > Add, then restart.
- Select text > AI Assistant > choose an action.
Source & credit
ariharasudhanm/libreoffice-ai-assistant — GitHub
Summarized from the source; quotes are the source author's words. Check the original before buying.