MDX Formatter
Format and beautify MDX files with JSX components. Fix indentation, organize imports, and clean up your markdown.
Paste MDX and click Format
Clean MDX Code
Working with MDX files that mix markdown and JSX? Our formatter properly indents JSX components, preserves frontmatter, and cleans up inconsistent spacing to make your content files readable and maintainable.
Why Use This Tool?
JSX Aware
Properly indents React/JSX components nested in your MDX.
Frontmatter Safe
YAML frontmatter is preserved exactly as written.
Smart Cleanup
Removes excessive blank lines and normalizes spacing.
Easy Export
Download formatted MDX or copy to clipboard instantly.
How this MDX Formatter works
The MDX Formatter runs entirely in your browser using JavaScript. Unlike other tools that send your data to a server, we process everything locally on your device. This guarantees 100% privacy and blazing fast speed.
- No server interaction – data never leaves your device
- Instant results since there is no network latency
- Works offline once the page is loaded
- Free to use with no usage limits
How to Use
Paste MDX
Enter your MDX content with frontmatter and components.
Configure
Set indent size and frontmatter preferences.
Format
Click format to beautify your MDX code.
Example Usage
Formatting a JSX component:
Frequently Asked Questions
What is MDX?
Does it preserve frontmatter?
How are JSX components handled?
Related Tools
The MDX Formatter is maintained by CodeItBro. We aim to provide the best free developer tools on the web. If you have feedback or suggestions, please visit our contact page.
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