Markdown Preview

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What Is Markdown?

Markdown is a lightweight markup language created by John Gruber in 2004 that uses plain text formatting syntax to create rich text documents. Its design philosophy is that the source text should be readable as-is, without rendering. Markdown is used extensively for README files, documentation, blog posts, forums, and messaging platforms.

Basic Markdown Syntax

Element	Markdown Syntax	Result
Heading 1	# Heading	Heading
Bold	**bold text**	bold text
Italic	*italic text*	italic text
Link	[text](url)	text
Image		(inline image)
Code	`inline code`	inline code
Unordered List	- item	• item
Ordered List	1. item	1. item
Blockquote	> quote	(indented quote)
Horizontal Rule	---

GitHub Flavored Markdown (GFM)

GFM extends standard Markdown with additional features:

• Tables: Create tables using pipes (|) and hyphens (-).
• Task Lists: - [x] Done and - [ ] Todo for checkboxes.
• Strikethrough: ~~deleted text~~ for crossed-out text.
• Fenced Code Blocks: Triple backticks with language identifier for syntax highlighting.
• Autolinks: URLs and email addresses are automatically converted to links.

Common Use Cases

• GitHub README: Every open-source project uses Markdown for documentation and README files.
• Technical Documentation: Tools like MkDocs, Docusaurus, and GitBook render Markdown into documentation sites.
• Blog Posts: Static site generators (Hugo, Jekyll, Gatsby) use Markdown for content.
• Note-Taking: Apps like Obsidian, Notion, and Bear use Markdown for notes.
• Messaging: Slack, Discord, and Teams support Markdown formatting in messages.

How to Use This Tool

1. Type or paste Markdown content into the editor.
2. View the live HTML preview updating in real-time.
3. Use GitHub Flavored Markdown syntax for tables, task lists, etc.
4. Copy the rendered HTML or use it for documentation previews.

Why Use This Tool?

• Instant live preview of your Markdown content.
• Full GitHub Flavored Markdown (GFM) support.
• Perfect for writing README files, documentation, and blog posts.
• No installation required — works right in your browser.

Frequently Asked Questions

What is the difference between Markdown and HTML?

Markdown is designed for simplicity and readability in source form. It converts to HTML for rendering. You can also embed raw HTML within Markdown documents for features not supported by Markdown syntax.

Can I use Markdown for presentations?

Yes. Tools like Marp, Slidev, and reveal.js let you create slide decks using Markdown syntax, which is much faster than traditional presentation software for technical content.