Markdown Cheat Sheet & Reference
Complete Markdown syntax reference with live examples covering CommonMark, GFM extensions, and platform-specific tips.
Headings
# H1 Heading
H1 Heading
## H2 Heading
H2 Heading
### H3 Heading
H3 Heading
#### H4 Heading
H4 Heading
Text Formatting
**Bold text**
Bold text
*Italic text*
Italic text
~~Strikethrough~~
Strikethrough
`Inline code`
Inline code
Lists
- Unordered item 1 - Unordered item 2 - Unordered item 3
- Unordered item 1
- Unordered item 2
- Unordered item 3
1. Ordered item 1 2. Ordered item 2 3. Ordered item 3
- Ordered item 1
- Ordered item 2
- Ordered item 3
- [ ] Task todo - [x] Task done
- Task todo
- Task done
Links & Images
[Link text](https://example.com)

Code
`inline code`
inline code
```javascript const x = 1; ```
const x = 1;Tables
| Name | Age | | --- | --- | | Alice | 28 |
| Name | Age |
|---|---|
| Alice | 28 |
Blockquotes
> This is a quote
This is a quote
Task Lists
- [x] Completed task - [ ] Pending task
- 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.
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Convert HTML markup to clean Markdown. Handle complex tables, nested divs, inline styles, and semantic HTML5 elements.