Code Formatter Desk
Format JavaScript, TypeScript, JSON, CSS, HTML, Markdown or YAML. Choose spacing and style, then review the changes.
Which formatting choices can I control?
Choose a parser, quote style, semicolon policy, indentation, and print width. The result includes formatted source and a readable line diff against your original snippet.
Your result
A little clarity, right here.
Start with your own content or load the example. Your result will appear here.
Three simple steps
How to use Code Formatter Desk
Choose your input and adjust the options.
Review the preview and run the tool.
Download the result and keep your original.
Common questions
Good to know
Understand the result.
Keep the original.
Is this tool free, and are my files uploaded?
This tool is free with no account required. The work happens in your browser. Your input and files are not sent to a processing server.
What are the limits and details?
The parser must match your input language. Formatting is not linting or type checking, and print width is a guideline rather than a guarantee for every construct.
Limits: 500,000 characters per text field; files up to 20 MB each, 10 files and 50 MB total. Processing stops after 30 seconds.