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Markdown cheat sheet

A complete Markdown cheat sheet with live examples: headings, lists, links, images, tables, task lists, footnotes, math, Mermaid diagrams, page breaks and more. Every example opens in the editor with one click.

Basic syntax

The original Markdown elements — supported by every Markdown app.

Headings

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# Heading 1
## Heading 2
### Heading 3

Heading 1

Heading 2

Heading 3

Emphasis

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**Bold**, *italic* and ***both***.
Use `inline code` for code.

Bold, italic and both. Use inline code for code.

Paragraphs and line breaks

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First paragraph.

Second paragraph,\
with a line break.

First paragraph.

Second paragraph,
with a line break.

Leave a blank line between paragraphs. End a line with two spaces (or a backslash) for a line break.

Links

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[Markdown to PDF](https://mdtopdfonline.com)

<https://example.com>

Markdown to PDF

https://example.com

Images

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![Markdown mark](/icon-192.png)

Markdown mark

Bulleted lists

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- One
- Two
  - Nested
- Three
  • One
  • Two
    • Nested
  • Three

Numbered lists

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1. First
2. Second
3. Third
  1. First
  2. Second
  3. Third

Blockquotes

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> Markdown is intended to be as easy-to-read
> and easy-to-write as is feasible.

Markdown is intended to be as easy-to-read and easy-to-write as is feasible.

Code blocks

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```python
def greet(name):
    return f"Hello, {name}!"
```
def greet(name):
    return f"Hello, {name}!"

Add a language after the backticks for syntax highlighting.

Horizontal rule

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Above

---

Below

Above

Below

Extended syntax (GitHub-flavoured)

Widely supported extensions from GitHub Flavored Markdown and friends.

Tables

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| Left | Center | Right |
| :--- | :---: | ---: |
| a | b | c |
| 1 | 2 | 3 |
Left Center Right
a b c
1 2 3

Colons set column alignment.

Task lists

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- [x] Write the draft
- [ ] Review
- [ ] Export to PDF

Strikethrough

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~~This was a mistake.~~

This was a mistake.

Footnotes

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Here is a claim.[^1]

[^1]: And here is the source.

Here is a claim.[1]

  1. And here is the source. ↩︎

Alerts (callouts)

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> [!NOTE]
> Useful information.

> [!WARNING]
> Be careful here.

NOTE

Useful information.

WARNING

Be careful here.

Highlight, subscript, superscript

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==Highlighted== text, H~2~O and x^2^.

Highlighted text, H2O and x2.

Emoji shortcodes

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Ship it :rocket: :tada: :white_check_mark:

Ship it 🚀 🎉 ✅

Raw HTML

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<kbd>Ctrl</kbd> + <kbd>P</kbd>

<details>
<summary>Click to expand</summary>

Hidden content.

</details>

Ctrl + P

Click to expand

Hidden content.

Safe HTML is kept; scripts are removed.

Math

LaTeX math rendered with KaTeX. Dollar signs and LaTeX-style delimiters both work.

Inline math

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Euler’s identity: $e^{i\pi} + 1 = 0$, or \(a^2 + b^2 = c^2\).

Euler’s identity: eiπ+1=0e^{i\pi} + 1 = 0, or a2+b2=c2a^2 + b^2 = c^2.

Display math

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$$
\sum_{k=1}^{n} k = \frac{n(n+1)}{2}
$$

∑k=1nk=n(n+1)2\sum_{k=1}^{n} k = \frac{n(n+1)}{2}

Matrices

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$$
\begin{pmatrix} 1 & 2 \\ 3 & 4 \end{pmatrix}
$$

(1234)\begin{pmatrix} 1 & 2 \\ 3 & 4 \end{pmatrix}

Diagrams

Mermaid code blocks turn text into flowcharts, sequence diagrams, Gantt charts and more.

Flowchart

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```mermaid
flowchart LR
  A[Draft] --> B{Review}
  B -- OK --> C[Publish]
  B -- Changes --> A
```

Diagrams render live in the editor — press “Try it”.

Sequence diagram

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```mermaid
sequenceDiagram
  Alice->>Bob: Hello!
  Bob-->>Alice: Hi!
```

Diagrams render live in the editor — press “Try it”.

PDF layout

Extras that control how your document is laid out when exported to PDF.

Page break

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End of chapter one.

\newpage

# Chapter two

End of chapter one.

Chapter two

Also: \pagebreak or <!-- pagebreak -->.

Table of contents

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[toc]

## Introduction
## Method
## Results

Introduction

Method

Results

Generated from your headings, with clickable links.

Front matter

Try it
---
title: Annual Report
author: Jane Doe
date: 2026-10-02
pdf:
  theme: academic
  toc: true
  cover: true
---

# Introduction

Front matter isn’t printed — it configures the document. Try it to see the cover page.

Sets the title, cover page details and per-document PDF settings.

Turn your Markdown into a PDF.

Everything on this page works in the free editor — with themes, page numbers and a table of contents.

Open the editor