MarkWord

A Word-grade Markdown editor, right in your browser.

Write in a ribbon interface you already know. Every keystroke round-trips to clean, portable Markdown, losslessly and entirely on your device.

macOS soon Windows soon Linux soon iOS soon Android soon

Runs on-device. Your documents never leave your browser. No account, no upload, no tracking.

The MarkWord editor showing a formatted Project Proposal document with a Word-style ribbon: headings, bold text, bullet and numbered lists, a blockquote, and a rendered code block.

6

platforms targeted

100%

on your device

0

trackers · no upload

Two views, one file

Write visually, or drop into the raw Markdown.

Edit in a full WYSIWYG canvas, then flip to a syntax-highlighted Markdown source view whenever you want. Both sides stay in sync, and the file you save is always plain, portable Markdown.

MarkWord's Markdown source view: the same document shown as syntax-highlighted raw Markdown with coloured headings, bold markers, list bullets, a blockquote, a link, and a fenced code block.

Word-grade, not Markdown-lite

The features you actually reach for.

A formatting ribbon and styles, tables, images, footnotes and equations, Track Changes with comments, find & replace, spell-check, and export to PDF, HTML, or portable Markdown, with nothing lost on the round-trip.

The MarkWord ribbon showing the Home tab with clipboard, font, paragraph and styles groups above a formatted document.

Under the hood

Your Markdown becomes a live document, without leaving the page.

Every edit flows through the same on-device pipeline: raw Markdown is parsed into an editor-independent model, rendered to the WYSIWYG canvas, and serialized straight back to clean Markdown. No server, no network, no round-trip you can't reproduce byte-for-byte.

On device · your text never leaves the browser # Proposal **bold** text - a list item > a quote Source Parser Tokenize Model Document WYSIWYG Save serializes the model straight back to clean Markdown, a lossless round-trip.
Open, edit, and save all run through one on-device pipeline. What you type is what you save: clean, portable Markdown, byte-for-byte reproducible.
Framework
Flutter and Dart, compiled to the web
Editor engine
super_editor with a custom document model
Format
CommonMark-based Markdown, lossless round-trips
Privacy
100% on-device, no server, no telemetry

Try it

Open a blank document in seconds.

MarkWord runs in any modern browser. Nothing to install. Native desktop and mobile apps are on the way.

MarkWord keeps your writing yours. Everything happens on your device, with no upload and no tracking.

Launch the web app