Each extension description, docs link and an example you can copy directly into the left editor.

• GFM master switch

  Enable GitHub-flavored Markdown behavior: tables, task lists, strikethrough, autolink.

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  - [x] GFM enabled
  
  table | with | syntax
  ---|---|---
  1 | item | yes
  2 | item | no

• Tables syntax

  Render pipe tables into HTML <table> elements.

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  | Name | Active |
  | ---- | ------ |
  | Foo  | true |
  | Bar  | false |

• Task lists checkboxes

  Enable task list syntax such as - [x] and - [ ].

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  - [ ] Open issue
  - [x] Review proposal
  - [ ] Merge changes

• Strikethrough text style

  Parse ~~text~~ into a struck-out style.

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  This is ~~deprecated~~ and should be removed.

• Auto link URL expansion

  Transform raw URLs and emails into clickable links.

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  https://example.com
  contact: support@example.com

• Line breaks paragraph behavior

  Convert line breaks inside paragraphs into <br>.

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  First line
  Second line
  Third line

• Emoji shortcodes

  Convert emoji text aliases such as :sparkles: into symbols.

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  Party mode :tada: is live
  All good :white_check_mark:

• Fenced code block style

  Parse triple-backtick blocks with optional language info and syntax highlight.

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  ```js
  const hello = 'world';
  console.log(hello);
  ```

• Footnotes references

  Support [^1] syntax with reference definitions.

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  Text with footnote[^1].
  
  [^1]: Footnote content goes here.

• Definition lists glossary

  Render term + definition blocks.

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  Markdown
  : syntax for docs
  
  Renderer
  : live output panel

• Mermaid diagrams

  Turn mermaid fenced code blocks into flowcharts and sequence diagrams.

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  ```mermaid
  graph TD
  A[Start] --> B{Ready?}
  B -->|Yes| C[Render]
  B -->|No| D[Fix]
  ```

• Math equations

  Render inline and block formulas with KaTeX ($...$, $$...$$).

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  Inline math: $E=mc^2$.
  
  $$\frac{a}{b} = c$$