Simple, fast, and lightweight

Write Markdown.
See the result.

Marku combines a focused live preview with a complete source editor. Work with local files, switch views instantly, and keep your writing close to the final result.

  • macOS desktop app
  • Local files
  • Live preview
Marku displaying a Markdown syntax guide

Everything in one document

Markdown beyond plain text

Preview rich content while you write, or switch to Source View when you want direct control over the document.

01

Math that stays readable

Write inline and display equations with familiar Markdown syntax. Marku renders them with KaTeX directly in the document.

$$ E = mc^2 $$
Mathematical formulas rendered in Marku

02

Tables without leaving the page

Create and edit GFM tables, including column alignment, then inspect the rendered result immediately.

A Markdown table rendered in Marku

03

Code with syntax highlighting

Fenced code blocks support popular languages including Rust, JavaScript, TypeScript, Python, Go, Swift, SQL, and more.

A syntax-highlighted code block in Marku

04

Diagrams from text

Describe a flowchart or sequence in a Mermaid code block and see the rendered diagram inside the document.

A Mermaid diagram rendered in Marku

05

Preview and source, one workflow

Edit rendered blocks for focus or open the complete Markdown source with CodeMirror. Your undo history follows you across both modes.

The full Markdown source editor in Marku

Make it yours

Thirty themes, one consistent interface

Choose from light and dark themes. The editor, preview, tabs, and surrounding interface adapt together.

Marku shown with several light and dark themes

Marku for macOS

Your Markdown stays close.

Local files, familiar shortcuts, and a focused editing experience.

Download coming soon Version, download size, and system requirements will be added before release.