Write with an assistant
that can act on the page.
MuseDoc puts a rich-text editor and a chat assistant side by side, so the assistant can rewrite, summarize, insert tables, and apply formatting directly. Every destructive edit is routed through an accept/reject diff — you stay the author of record.
Inside the page
On the quiet ambition of small tools
There is a kind of software that asks nothing of you — it sits at the edge of your attention, waiting. The best document tools work this way: a page, a cursor, a margin wide enough to think in.
But modern writing tools are loud and crowded with widgets, demanding constant attention.
Ask, or describe an edit
Every message is classified before it touches the page.
A small classifier decides whether the assistant should answer, think, or edit — so nothing destructive happens behind your back.
Answer
Q_AND_AQuick questions handled in the chat panel — your document stays untouched.
Summarize
SUMMARIZEDistils the active document into a chat-side summary you can lift into the page.
Reason
REASONCritiques arguments, surfaces gaps, and reasons about what you've written.
Edit
EDITRewrites arrive as a word-level red/green diff. Accept, reject, or iterate.
Tool
TOOL_ACTIONInserts tables, images, and structure directly at the cursor — no markup required.
Everything in the box
- Headings, fonts, colors, highlighting
- Tables with grid-size picker
- Images: crop, resize, rotate, opacity
- Import PDF, DOCX, HTML, plain text
- Find & replace · Outline sidebar
- Voice dictation via Web Speech API
- Resizable side-by-side chat panel
- GPT-5.x model picker
- Text & image attachments
- Whisper voice input
- Word-level diff review
- Per-user daily AI spend cap
- Public landing and guest /try scratchpad
- Supabase Auth — email & Google
- Drive-style document home
- Star, trash, restore, rename
- Per-document chat persistence
- Light & dark theme
“The blank page is the assistant's job too. Start somewhere — the diff is reversible.”