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Run cleancss in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command cleancss that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator



cleancss - CSS file minifyer


cleancss [options] <source-file>


cleancss is a tool written in Javascript (Node.js) for minifying CSS files.

The minified file will be written to stdout or to a given output file.


cleancss accepts the following common options:

-h, --help
Output usage information

-v, --version
Output the version number

-e, --remove-empty
Remove empty declarations (e.g. a{})

-b, --keep-line-breaks
Keep line breaks

--s0 Remove all special comments (i.e. /*! special comment */)

--s1 Remove all special comments but the first one -r, --root-path [root-path] Set a
root path to which resolve absolute @import rules -o, --output [output-file] Use
[output-file] as output instead of stdout


$ cleancss one.css

$ cleancss -o one-min.css one.css

$ cat one.css two.css three.css | cleancss -o merged-and-minified.css

$ cat one.css two.css three.css | cleancss | \
gzip -9 -c > merged-minified-and-gzipped.css.gz

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