GitHub Rich Markdown Cheatsheet

All the usual Markdown works. GitHub Markdown processor adds more things.

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KeyboardKeys

<kbd>Keyboard</kbd><kbd>Keys</kbd>

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Compact section

Your content.

<details>
<summary>Compact section</summary>
Your content.
</details>

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Compact section (open by default)

Your content.

<details open>
<summary>Compact section (open by default)</summary>
Your content.
</details>

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Underlined text.

<ins>Underlined text.</ins>

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This Is _{a subscript}

This Is <sub>a subscript</sub>

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This Is ^{a superscript}

This Is <sup>a superscript</sup>

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This is
a line break
without creating

a paragraph

This is<br>
a line break<br>
without creating

a paragraph

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- [ ] This
- [ ] is
- [X] a task
- [ ] list

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This is a footnote¹

This is a footnote[^1]
[^1]: The footnote is at the bottom of the page.

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Inline Math expression: $E = mc^2$

Inline Math expression: $E = mc^2$

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Block Math expression: $$\left( \sum_{k=1}^n a_k b_k \right)^2 \leq \left( \sum_{k=1}^n a_k^2 \right) \left( \sum_{k=1}^n b_k^2 \right)$$

Block Math expression:
$$\left( \sum_{k=1}^n a_k b_k \right)^2 \leq \left( \sum_{k=1}^n a_k^2 \right) \left( \sum_{k=1}^n b_k^2 \right)$$

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Centered H1

Centered H2

Centered H3

Centered paragraph

<h1 align="center">Centered H1</h1>
<h2 align="center">Centered H2</h2>
<h3 align="center">Centered H3</h3>
<p align="center">Centered paragraph</p>

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Link with reference. Another link.

Link with [reference][ref-link]. Another [link][ref-link-2].

[ref-link]: https://google.com
[ref-link-2]: http://github.com

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Image:

Image: ![image](https://user-images.githubusercontent.com/49621788/214596220-ec384607-492e-4e0b-9864-84c828b8650e.gif)

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Image with reference:

Image with reference: ![image][michael-img]

[michael-img]: https://c.tenor.com/cszBoD9PIa0AAAAj/miguel-cat.gif

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Linked image:

Linked image: [![image][floppa-img]](https://en.wikipedia.org/wiki/Caracal)

[floppa-img]: https://avatars.steamstatic.com/1cfdee9bd003f0559d045b6223b321dd36c34958_full.jpg

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Linked image with reference:

Linked image with reference: [![image-text][image-url]][link-url]

[image-url]: https://images-na.ssl-images-amazon.com/images/I/31et8TPy4oL._AC_UL160_SR160,160_.jpg
[link-url]: https://en.wikipedia.org/wiki/Among_Us

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Change image size:

Change image size: <img src="https://m.media-amazon.com/images/I/51QZo3T69dS._AC_SL1300_.jpg" width="80" height="40">

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Back to top link.

[Back to top](#top) link.

Footnotes

1. The footnote is at the bottom of the page. ↩