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I've developed websites about two years but I've never used scss, sass, or less. What is the difference between them and advantages of using them?

intcreator
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Ilkin Abdullayev
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    Duplicate is about Sass/.scss (and CSS) but not LESS so here it is: [LESS](http://lesscss.org) is another preprocessor with a different syntax. Also check [PostCSS](http://postcss.org) which used to be a postprocessor but is now both a pre- and postprocessor (compiles CSS to CSS - yep - and/or something close to CSS - or not, depends on the plugins you use - to CSS. Used transparently by the mighty Autoprefixer which you really _really_ should use for adding/removing vendor prefixes without human intervention thus no error :) – FelipeAls Oct 04 '16 at 09:11
  • See also [Differences between SCSS and LESS](https://stackoverflow.com/questions/52003198/differences-between-scss-and-less) – ggorlen Apr 22 '23 at 22:10

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CSS is the language for styling web pages.

LESS, SASS and SCSS are pre-processors that allow a few additional features. They output a .css file for the website to use.

Karl Brown
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