CodiMD is an open-source real-time collaborative Markdown editor. You can easily deploy CodiMD with Docker following this tutorial. CodiMD supports CommonMark and other markup syntax, such as:

  • MathJax for formulas
  • Mermaid and Graphviz for UML diagrams
  • Vega-lite for data visualizations
  • Emojis for a rich document editing experience

CodiMD Markdown Support

CodiMD provides support for the following Markdown elements.

Element Support Notes
Headings Yes
Paragraphs Yes
Line Breaks Yes
Bold Yes
Italic Yes
Blockquotes Yes
Ordered Lists Yes
Unordered Lists Yes
Code Yes
Horizontal Rules Yes
Links Yes
Images Yes
Tables Yes
Fenced Code Blocks Yes Syntax highlighting is supported.
Footnotes Yes
Heading IDs No
Definition Lists Yes
Strikethrough Yes
Task Lists Yes
Automatic URL Linking Yes
Disabling Automatic URL Linking No
HTML Yes

Support for Additional Syntax Elements

As an added bonus, CodiMD provides support for several obscure elements.

Element Markdown Rendered Output
Emoji :joy: 😂

See Also

Markdown Guide book cover
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Learn everything you need to know about Markdown. The Markdown Guide book includes information on getting started, choosing a Markdown application, using basic and extended syntax, and more.

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