CSS Minifier
Removes unnecessary whitespace from CSS. It is for small snippets, demos, and quick payload reduction before pasting styles elsewhere.
Runs in your browser. Input, settings, and results are not sent to Utilio servers.
CSS Minifier
Local browser processing. Data stays on this device.
Minify
Saved 40%
The CSS shrank from 63 to 38 characters, saving 40%.
What CSS Minifier does
Use CSS Minifier when you need to minify a small CSS snippet for an embed or prototype.
When to use it
- Minify a small CSS snippet for an embed or prototype.
- Compare readable CSS with compact output.
- Clean whitespace before pasting into a constrained field.
How to use it
- Paste CSS into the input.
- Run minify and review the compact result.
- Test the minified CSS in the target page before publishing.
What to check
- This is not a full bundler or PostCSS pipeline.
- Keep readable source CSS in your repository.
Data, formats, and limits
What stays on your device and what is sent
Runs in your browser. Input, settings, and results are not sent to Utilio servers.
Supported formats
This tool works with typed or generated values rather than uploaded files.
File limits and browser requirements
- Use an up-to-date browser and check the result on the device where you will use it.
Known limits
- This tool helps inspect or transform data, but it does not replace code review, security review, or production configuration checks.
- Do not paste real secrets, tokens, or private keys into data you are not prepared to expose in the browser.
Troubleshooting
- If validation fails, start with quotes, commas, brackets, whitespace, and input encoding.
- If the result is unexpectedly empty, check the tool mode and a minimal example without extra fields.
- Do not paste real tokens, passwords, or keys; use a test snippet with the same format for diagnosis.
Common questions
What does Utilio receive?
Runs in your browser. Input, settings, and results are not sent to Utilio servers.
What is it useful for?
Use it when you need to minify a small CSS snippet for an embed or prototype. Start by pasting CSS into the input.
Do I need an account?
No. You can use this tool without creating an account.
Can I use it on a phone?
Yes. The tool works in a mobile browser, though longer input or detailed results may be easier to review on a larger screen.
How do I get a reliable result?
Paste CSS into the input. Then run minify and review the compact result. This is not a full bundler or PostCSS pipeline.
Does Utilio use my input or results to train AI?
No. Utilio does not use files, pasted text, settings, generated values, or results from this tool to train AI models.