Online DOCX editor, in your browser
Open a Word .docx and edit it right here: free, no account, and the file never leaves your browser. Formatting and track changes stay intact, with no converting to another format. When you want AI in the loop, an LLM proposes changes as tracked edits you accept or reject.
Open your own .docx or edit the sample. Your file stays in your browser.
Edit DOCX with an LLM
AI edits land as tracked changes, not silent rewrites. Point an LLM at a .docx and it proposes insertions and deletions in place; you review each one and accept or reject it, the same way you would a colleague's redline. The editor speaks the Word format directly, so what the model changes stays a .docx.
- AI-proposed edits arrive as track changes you accept or reject
- The document stays a .docx: no conversion, no lossy round-trip
- Drive it programmatically over MCP, so agents edit documents the way you do
Edit .docx in the browser
Open a Word document and edit it directly. No install, no separate app, and nothing to convert.
Formatting stays intact
Fonts, styles, and page layout render and save the way Word created them.
Track changes
Tracked insertions and deletions render in place, the way Word shows them.
Edit DOCX with an LLM
An LLM proposes edits as tracked changes you accept or reject, in chat or over MCP.
The .docx stays a .docx
No converting to a proprietary format and back, so nothing is lost in a round-trip.
Open engine
Powered by folio, stella's open-source DOCX engine.
FAQ
Can I edit a .docx file in the browser?
Yes. Open a Word document on this page and edit it straight away: no install, no account, and nothing to convert first.
Do I need Microsoft Word?
No. The editor reads and writes .docx directly in the browser, so Microsoft Word does not have to be installed.
Does my file get uploaded anywhere?
No. The document is opened, rendered, and edited in your browser; it stays on your device, and no copy is sent to a server.
Is the original formatting preserved?
Yes. The file stays a .docx from open to save, so fonts, styles, and page layout survive instead of being converted to another format and back.
Is it free to use?
Yes. Opening and editing a .docx here is free and needs no account.
Can an LLM edit my DOCX?
Yes. An LLM proposes edits as tracked changes you accept or reject, so nothing is rewritten silently. It works in chat and programmatically over MCP.
Bring the editor to your matters.
This editor is part of the stella workspace, where a .docx opens from its matter, track changes become a review workflow, and every save lands in the document's version history.