Convert tools

CSS Formatter

Format CSS with consistent indentation using Prettier in your browser.

Convert in your browser · No sign-up

Does not render CSS or fetch referenced assets. Invalid syntax is rejected; formatting is not a CSS compatibility check.

Up to 100,000 UTF-16 units per input and 1,000,000 per result. See the supported formats and examples below.

How to use

  1. Format CSS with consistent indentation using Prettier in your browser.
  2. Choose the mode or options, then run the tool.
  3. Review the result, then copy or download the TXT file.

Example

body{color:red} → body {
  color: red;
}

Details and limitations

Does not render CSS or fetch referenced assets. Invalid syntax is rejected; formatting is not a CSS compatibility check.

Text stays in your browser; it is not sent to a conversion server.

FAQ

CSS Formatter — What are the supported inputs and limits?

Does not render CSS or fetch referenced assets. Invalid syntax is rejected; formatting is not a CSS compatibility check.

Format references

Tool page updated: