MDX Formatter
MDX Formatter

What MDX Formatter does
MDX Formatter is a free online tool hosted on CodeBeautify that converts raw MDX code into neatly formatted HTML. Users paste unformatted MDX into an input field, and the tool standardizes indentation, resolves spacing issues, and ensures proper syntax adherence for mixed markdown and JSX. The output is a clean, readable structure suitable for documentation or web components, and the service supports loading MDX via URL or file upload, with options to download or share the result. The platform also offers theme customization for syntax highlighting to improve readability.
How to use the CodeBeautify MDX Formatter
- 1
Paste or upload raw MDX code into the input field on the MDX Formatter page
- 2
Click the Format button to process the code and standardize indentation and syntax
- 3
Review the formatted HTML output displayed in the right panel
- 4
Use the Download or Save & Share options to export or distribute the result
- 5
Optionally load an MDX URL via the External URL feature for remote formatting
Best for
Developers, data analysts, and technical writers working with MDX in React frameworks who need to quickly beautify, standardize, and read mixed markdown and JSX code without installing local tools.
Limitations
- No unit switching or language translation capabilities
- Formatting results are estimates and may require manual adjustment for complex JSX
- The free version displays ads on the page
MDX Formatter FAQ
- Can I format MDX code that contains embedded JavaScript or React components?
- Yes, the tool is designed to handle mixed markdown and JSX syntax, standardizing indentation and spacing for components embedded within MDX documents.
- Is there a file size limit for the MDX formatter?
- The material does not specify a file size limit; users can paste code or upload .mdx and .md files, but very large files may perform slower depending on browser capacity.
- Does the tool support dark mode or theme customization for the output?
- The service offers various themes for syntax highlighting to improve readability, allowing users to select a visual style that suits their preference.
- Can I load an external MDX file URL directly into the formatter?
- Yes, the tool includes an External URL feature that lets users load and format MDX from a remote URL by entering the link into the designated field.