What it does
Markdown Support
Full Markdown support with live preview, syntax highlighting, and formatting shortcuts.
Mermaid Diagrams
Create beautiful flowcharts, sequence diagrams, and more with Mermaid syntax.
LaTeX Math
Write complex mathematical expressions and formulas using LaTeX syntax.
Live Preview
Split-pane view with instant preview. See exactly how your markdown will look while you write.
Auto-save
Your work is automatically saved to browser local storage. No accounts, no data sent anywhere.
Free to use
No registration, no payments, no limits. Just open it and start writing.
Built-in help
Quick reference for Markdown, Mermaid, and LaTeX syntax available when you need it.
Import & Export
Import existing .md files from your device or export your work as Markdown files.
Good for
Documentation
API docs, project READMEs, technical guides. Add flowcharts, architecture diagrams, and mathematical formulas inline with your text.
Note-taking
Meeting notes, research, study materials. Organize thoughts with headers, lists, visual diagrams, and mathematical equations.
Academic & Research
Research papers, technical analysis, scientific documentation. Combine text, diagrams, and complex mathematical expressions in one place.