Markdown Tools

Markdown Cheat Sheet & Reference

Complete Markdown syntax reference with live examples covering CommonMark, GFM extensions, and platform-specific tips.

markdowncheat sheetreferencesyntaxguide

Headings

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# H1 Heading
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H1 Heading

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## H2 Heading
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H2 Heading

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### H3 Heading
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H3 Heading

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#### H4 Heading
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H4 Heading

Text Formatting

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**Bold text**
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Bold text

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*Italic text*
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Italic text

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~~Strikethrough~~
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Strikethrough

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`Inline code`
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Inline code

Lists

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- Unordered item 1
- Unordered item 2
- Unordered item 3
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  • Unordered item 1
  • Unordered item 2
  • Unordered item 3
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1. Ordered item 1
2. Ordered item 2
3. Ordered item 3
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  1. Ordered item 1
  2. Ordered item 2
  3. Ordered item 3
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- [ ] Task todo
- [x] Task done
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  • Task todo
  • Task done

Links & Images

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[Link text](https://example.com)
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![Alt text](https://picsum.photos/50/30)
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Alt text

Code

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`inline code`
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inline code

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```javascript
const x = 1;
```
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const x = 1;

Tables

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| Name | Age |
| --- | --- |
| Alice | 28 |
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NameAge
Alice28

Blockquotes

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> This is a quote
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This is a quote

Task Lists

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- [x] Completed task
- [ ] Pending task
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  • Completed task
  • Pending task

What is Markdown Cheat Sheet & Reference?

Markdown Cheat Sheet & Reference is a comprehensive searchable quick-reference guide covering standard CommonMark syntax GitHub Flavored Markdown GFM extensions and platform-specific variants GitLab Bitbucket Discord Slack Notion. Markdown has become the universal writing format for software documentation yet most developers only use a fraction of its capabilities and frequently need to look up syntax for less common operations table alignment reference-style links definition lists task list nesting footnotes or HTML embedding. This cheat sheet organizes syntax into logical categories Headings Formatting Lists Tasks Links Images Code Blocks Tables Blockquotes Footnotes Math Diagrams Mermaid support and HTML Escaping. Each entry displays the raw Markdown syntax alongside a live rendered preview plus copy-paste buttons for one-click insertion into your editor. The search bar lets you filter entries by keyword strikethrough alert mermaid instantly. Additional sections cover GitHub-specific features alerts memo issue references diff syntax highlighting Discord Slack limitations and common platform compatibility pitfalls with comparison tables.

When to Use Markdown Cheat Sheet & Reference

Use when looking up less common Markdown syntax like table alignment, definition lists, footnote syntax, GitHub alerts, Mermaid diagrams, learning Markdown for the first time, or checking platform compatibility.

How to Use Markdown Cheat Sheet & Reference

Browse categories or use the search bar to find a syntax topic. View raw syntax and live rendered example side by side. Click the copy button to paste syntax directly into your Markdown editor.