What does this tool do?
| Direct answer | CSS Beautifier expands rules so each declaration sits on its own indented line. |
| Key fact | The beautifier adds the optional trailing semicolon after the last declaration in a block. |
| Processing | Runs locally in your browser; no data is sent to a server. |
How to use
- Paste CSS into the input.
- Click Beautify CSS.
- Copy the formatted stylesheet.
Who is this for?
This tool was built for people who need a fast answer in the browser — no install, no account, no data leaving the device.
Developers formatting API responses or config files, analysts inspecting minified payloads, and students learning structured data formats. If you have ever squinted at a one-line blob hoping to find a missing brace, this page is for you.
Frequently asked questions
Does it preserve strings and comments?
Yes — content strings in url() and /* comments */ pass through untouched.
Does it handle nested at-rules?
Yes, media queries and other blocks increase indentation depth correctly.
Is the output semantically identical?
Yes, only whitespace (and optional final semicolons) are added; the cascade is unchanged.