CSS Formatter
CSS Formatter
Beautify CSS rules to improve readability and maintenance.
Output size
0chars
CSS is normalized with consistent spacing and indentation.
File input
Choose a file
Click, drop, or paste from clipboard.
More actions
Input: manual
Input: manualInputsText/FileManual input • Auto-updateWaiting
Input: manualLive update0 msScore 58/100 (Risky output)
Copy report details includes output + run metadata.
Your input is processed locally in your browser whenever possible. We do not store your data.
Flow
- Tokenize raw CSS selectors and declaration blocks.
- Apply spacing and indentation preferences.
- Emit normalized CSS with readable line structure.
Example
Worked example: compressed card style
- 1 Input compact card and hover rules.
- 2 Formatter separates selectors and declarations.
- 3 Output aligns indentation with two-space style.
CSS output becomes easier to edit and review.
How
- Paste CSS input in the editor.
- Run formatter for normalized output.
- Copy formatted stylesheet text.
Cases
- Review generated styles from visual builders.
- Prepare snippets for documentation pages.
- Make legacy CSS blocks easier to refactor.
Avoid
- Expecting formatter to resolve conflicting selectors.
- Assuming vendor-prefix strategy changes are applied automatically.
- Ignoring post-processor outputs after formatting source CSS.
FAQ
Does this handle nested CSS syntax?
Standard CSS syntax is supported, while advanced dialects may need dedicated tooling.
Can I use formatted CSS directly in production?
Yes, formatting is safe for readability and does not change selector intent.
Should I minify after formatting?
Yes, production builds usually minify after readable source formatting.
Switch
Switch12
No match.