Free Markdown Previewer & Editor Online
Write and preview Markdown in real time with a split-pane editor. Supports headings, bold, italic, links, images, code blocks, tables, lists, blockquotes, and HTML embedding. 100% client-side — your content stays private.
How to Use the Markdown Editor
- Type your Markdown in the left editor pane.
- See a live preview rendered in the right pane as you type.
- Use the toolbar buttons to toggle fullscreen, copy HTML, or copy Markdown.
- Download your content as a .md file.
- Track your word count and reading time in the pane header.
Why Use This Markdown Editor
Whether you're writing documentation, README files, blog posts, or notes, a real-time Markdown editor saves you from constantly switching between writing and previewing.
The split-view layout with syntax-aware rendering, HTML embedding, and one-click export makes it a complete writing environment for Markdown content.
How It Works
The Markdown Editor parses your text in real-time using a Markdown rendering engine. As you type in the left pane, each keystroke triggers a re-render of the HTML output in the right preview pane.
Markdown syntax uses simple characters like #, *, and ` to denote formatting. The parser converts these markers into the corresponding HTML elements — headings become <h1>–<h6>, bold text becomes <strong>, and so on.
The split-pane layout lets you see both your raw Markdown source and the rendered result side by side. The word count and reading time update automatically as you write, giving you real-time metrics on your content.
Supported Syntax
The editor supports the most common Markdown elements:
Headers
# H1 ## H2 ### H3 #### H4
Emphasis
**bold text** *italic text* ~~strikethrough~~ `inline code`
Lists
- Unordered item 1. Ordered item - Nested item
Code Blocks
```javascript const greeting = "Hello"; console.log(greeting); ```
Tables
| Column A | Column B | |----------|----------| | Cell 1 | Cell 2 |
Links & Images
[Link text](https://example.com) 
Tips
- Use a table of contents — start your document with a linked list of headings to help readers navigate long documents.
- Keep lines short — Markdown renders single newlines as spaces. Use blank lines to separate paragraphs and elements.
- Escape special characters — use a backslash before characters like
*,#, or`if you want to display them literally. - Use fenced code blocks — wrap code in triple backticks with a language identifier for syntax highlighting.
- Preview before publishing — always check the rendered output since some Markdown flavors differ slightly.
- Combine with HTML — embed raw HTML when you need formatting beyond standard Markdown, such as colored text or styled divs.
Frequently Asked Questions
The editor supports headings, bold, italic, links, images, code blocks, inline code, tables, ordered and unordered lists, blockquotes, horizontal rules, and raw HTML embedding.
Yes. You can write inline HTML directly in your Markdown and it will be rendered in the preview. This is useful for custom styling or elements not covered by standard Markdown syntax.
No. All parsing and rendering happens entirely in your browser. Your content never leaves your device.
Fullscreen mode removes the browser UI distractions so you can focus entirely on writing. It's ideal for long-form content creation.
Use Cases
Writing Documentation
Create documentation with live preview to see how your Markdown will render in real-time.
Composing README Files
Write comprehensive README files with proper formatting, code blocks, and embedded images.
Creating Blog Posts
Compose blog posts in Markdown with support for headings, links, and formatted content.
Formatting Specifications
Write technical specifications with tables, code blocks, and structured Markdown formatting.
Previewing GitHub Markdown
Preview how your Markdown will render on GitHub with GitHub-flavored Markdown support.