CSS Beautifier
Expand minified CSS into readable, indented rules. Free, instant, and private.
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Why use PixelTools' css beautifier
Five languages in one tool
JSON, JavaScript, HTML, CSS, and YAML, switchable in one click without losing what you pasted.
Beautify or minify
Readable output with your choice of 2 spaces, 4 spaces, or tabs, or the smallest possible size.
Instant, live output
The result updates as you type or paste. No button to click and no page reload.
Clear error messages
Invalid JSON, YAML, or JavaScript shows what went wrong and where, instead of failing silently.
Copy or download
Copy the result to your clipboard or save it as a .json, .js, .html, .css, or .yaml file.
100% private
Your code never leaves your browser. Nothing is uploaded, logged, or stored.
Three steps to use the css beautifier
- 1
Paste your CSS
Paste the code into the input box. The language is already set to CSS.
- 2
Choose how to beautify it
Beautify is selected. Pick spaces or a tab for the indent size.
- 3
Copy or download the result
The output updates as you type. Copy it with one click, or download it as a file.
When a CSS beautifier is useful
Production stylesheets are minified into a single line. Beautifying one lets you read it, search it, and copy a rule out of it.
Reading minified production code
Re-indent a minified JavaScript or CSS file so you can follow what it does while debugging.
Shrinking API payloads and config
Minify JSON before embedding it in a request, a fixture, or a environment variable.
Cleaning up pasted snippets
Make code from a forum, email, or chat match a consistent indent before it goes into your project.
Checking a config file
Paste YAML or JSON to confirm it is valid and see its structure laid out properly.
Frequently asked questions
Can I read a minified stylesheet with this?
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Yes. Paste the minified CSS and each rule is put on its own lines, with one declaration per line inside the braces.
Does it work with media queries and nested CSS?
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Yes. Rules inside media queries and other at-rules are indented under them, and modern nested rules are indented by depth.
Does it change my CSS values?
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No. Only spacing and line breaks change. Colours, units, and selectors stay exactly as written.
Is my code uploaded anywhere?
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No. Beautifying and minifying both run entirely in your browser with JavaScript. Nothing you paste is sent to a server, logged, or stored, so it is safe to use on private or unreleased code.
Need a different language?
Or see the full code beautifier & minifier for all five languages.
CSS Beautifier now
Free, instant, no account needed.