Documents · Lumen Docs

Write beautifully, with AI in the margins.

A clean block editor for everything from quick memos to polished reports — headings, shapes, banners and templates — with AI that drafts and rewrites right where you work.

proposal.iodoc
Everything in the doc editor

From blank page to polished document.

Structured writing tools, beautiful layout, and AI that never leaves the page.

Clean block editor

Compose in blocks — drag to reorder, nest and restructure effortlessly.

Headings & lists

Headings, bullet & numbered lists, quotes and code blocks.

Banners & callouts

Eye-catching banners, dividers and callout blocks for emphasis.

Shapes

Drop in shapes and simple diagrams without leaving the document.

Templates

Start fast from ready-made layouts for letters, reports and memos.

Print-perfect pages

Accurate page-split guides so what you see is exactly what prints.

AI: draft anything

Describe what you need and get a structured first draft instantly.

AI: rewrite & retone

Shorten, expand, fix grammar or shift tone on any selection.

AI: summarize & restructure

Condense long docs or reorganize sections with one command.

Export to Word & PDF

Hand off pixel-faithful .docx or .pdf, ready to send.

Markdown input rules

Type #, - or > and it becomes a heading, list or quote.

Images & layout

Place and align images with text wrapping that just works.

AI in the doc editor

A writing partner that lives in the page

Select a paragraph and say "make this tighter and more formal," or start from "draft a 1-page project proposal for…" — AI works inline, keeps your formatting, and you accept or tweak every change.

More surfaces

One app, every format.

7 in 1
Editors in a single app
300
Free AI credits / month
100%
Your files, stored locally
$0
Subscription, ever
FAQ

Document questions, answered.

Can I export to Word or PDF?

Yes — export to .docx or PDF, pixel-faithful to what you see on screen.

Is there AI writing help?

Yes — draft, rewrite, summarize and restructure right where you’re working, inline.

Are there templates and layout tools?

Yes — templates to start fast, plus headings, shapes, banners, dividers and accurate page-split guides.

Where are my documents stored?

As ordinary files on your own disk, with automatic, recoverable local autosave.

Download

Write your best document yet.

Free to download, free to use. AI when you want it.