markdown-os

Read & edit .md in your browser

Local-first. Your files never leave your machine.

# notes.md
**Ship** faster with _real_ previews.
Feature

Visualize Mermaid diagrams

Flowcharts and sequence diagrams render live—with zoom and pan your IDE preview can’t match.

graph TD
  A[CLI] --> B[Server]
  B --> C[Browser]
  C --> D[Editor]
CLI Server Browser Editor
Desktop

Download for macOS or Windows

Install the desktop app and set markdown-os as your default editor for .md files.

macOS Windows
Default app for .md files
Export

Export .md files to PDF

One click to a print-ready PDF—diagrams, code blocks, and styling included.

Export PDF

notes.md

+ many more features

WYSIWYG editing Syntax highlighting File tree & tabs Auto table of contents Task lists KaTeX math
Try online markdown-os.elenacabrera.xyz