Markdown Preview — Free Online Tool
Write Markdown and see live HTML preview with real-time rendering.
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Use Markdown PreviewQuick Facts
- 100% free — no signups
- Client-side processing
- No file size limits
- Works on all devices
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What is Markdown?
Markdown is a lightweight markup language for creating formatted text using plain text syntax. It was created by John Gruber in 2004 and is now the standard for documentation, README files, and content creation.
Basic Markdown Syntax
- # Heading — H1 through H6
- **Bold** — Bold text
- *Italic* — Italic text
- - List item — Unordered list
- 1. List item — Ordered list
- > Blockquote — Blockquote
- `code` — Inline code
Where Markdown is Used
- GitHub README files and documentation
- Stack Overflow and Reddit posts
- Static site generators (Jekyll, Hugo, Astro)
- Notion, Obsidian, and note-taking apps
- API documentation (Swagger/OpenAPI)
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