Heading
# H1
H1
## H2
H2
### H3
Thanks for visiting The Markdown Guide! This Markdown cheat sheet provides a quick overview of all the Markdown syntax elements. It can't cover every edge case, so if you need more information about any of these elements, refer to the reference guides for basic syntax and extended syntax.
These are the elements outlined in John Gruber's original design document. All Markdown applications support these elements.
# H1
## H2
### H3
**bold text**
bold text
*italicized text*
italicized text
> blockquote
blockquote
1. First item
2. Second item
3. Third item
- First item
- Second item
- Third item
`code`
code
---
[Markdown Guide](https://www.markdownguide.org)

These elements extend the basic syntax by adding additional features. Not all Markdown applications support these elements.
| Syntax | Description |
| ----------- | ----------- |
| Header | Title |
| Paragraph | Text |
| Syntax | Description |
|---|---|
| Header | Title |
| Paragraph | Text |
```
{ "firstName": "John", "lastName": "Smith", "age": 25 }
```
{ "firstName": "John", "lastName": "Smith", "age": 25 }
Here's a sentence with a footnote. [^1]
[^1]: This is the footnote.
Here's a sentence with a footnote. 1
1. This is the footnote.
### My Great Heading {#custom-id}
term:
definition
~~The world is flat.~~
The world is flat.
- [x] Write the press release
- [ ] Update the website
- [ ] Contact the media
That is so funny! :joy:
(See also Copying and Pasting Emoji)
That is so funny! 😂 (See also Copying and Pasting Emoji)
I need to highlight these ==very important words==.
I need to highlight these very important words.
H~2~O
H2O
X^2^
X2