Markdown is your ticket to effortless text formatting and document structuring. Whether you're a writer, developer, or content creator, mastering Markdown is a game-changer. This comprehensive cheat sheet will cover the fundamentals, explore GitHub Flavored Markdown (GFM) enhancements, and introduce R Markdown's capabilities.

You can try markdown syntax by using our online markdown editor. Markdown Viewer

Common Markdown Tags

Here's a quick rundown of common Markdown tags and their usage:

Headers

# Heading 1

## Heading 2

### Heading 3

Emphasis (Italics and Bold)

_italic_ or _italic_
**bold** or **bold**

Lists (Ordered and Unordered)

- Unordered List Item 1
- Unordered List Item 2

1. Ordered List Item 1
2. Ordered List Item 2

Links

[FormatEasy](https://formateasy.com)

Images

![Alt text](image-url.jpg)

Code (Inline and Code Blocks)

Inline code: `inline code` Code block: ``` def greet(name): return f"Hello, {name/}!" ```

Blockquotes

> This is a blockquote.

Horizontal Rules

---

Line Breaks

This is a line  
break.

Ordered and Unordered Lists with Sublists

1. First item
   - Subitem A
   - Subitem B
2. Second item

Tables

| Header 1 | Header 2 |
| -------- | -------- |
| Cell 1A  | Cell 1B  |
| Cell 2A  | Cell 2B  |

Links with Titles

[FormatEasy](https://formateasy.com 'Visit Format Easy')

Images with Alt Text and Titles

![Alt text](image-url.jpg 'Image Title')

Ordered and Unordered Lists with Checkboxes

- [ ] Task 1
- [x] Task 2 (completed)

Footnotes

Here's some text with a footnote[^1].

[^1]: This is the footnote text.

Strikethrough

~~Strikethrough~~

Superscript and Subscript

Superscript: 2^3^
Subscript: H~2~O

Definition Lists

Term 1
: Definition 1

Term 2
: Definition 2

Abbreviations

Markdown is often abbreviated as [MD]. \*[MD]: Markdown

Inline Comments

Here's some text <!-- with a comment --> that won't be visible when rendered.

Escaping Characters

To display an asterisk \* without formatting, use a backslash: \*.

Block-Level HTML

<div>
This is a block-level HTML element within Markdown.
</div>

Special Characters

© ©
® ®

GitHub Flavored Markdown (GFM)

GitHub adds extra flavor to Markdown:

Task Lists

- [ ] To-Do Item
- [x] Completed Item

Mentions

@username
#issue

Fenced Code Blocks with Syntax Highlighting

```python
def calculate(x, y):
    return x + y
```

R Markdown

R Markdown brings Markdown and R code together:

R Code Chunks

```{r}

R code goes here

result <- 2 + 2 print(result) ```

HTML and LaTeX

R Markdown supports HTML and LaTeX for advanced formatting: ```{html}

<p>This is an HTML element.</p> ```

```{latex} (\sqrt{x^2 + y^2}) ```

With this comprehensive cheat sheet, you're armed with the knowledge to create beautifully formatted documents, blogs, and more. Happy Markdown-ing!