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PostCSS
PostCSS

347
273
+ 1
46
Sass
Sass

10.9K
7.2K
+ 1
3K
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PostCSS vs Sass: What are the differences?

PostCSS: Transform CSS with JS plugins. PostCSS is a tool for transforming CSS with JS plugins. These plugins can support variables and mixins, transpile future CSS syntax, inline images, and more; Sass: Syntactically Awesome Style Sheets. Sass is an extension of CSS3, adding nested rules, variables, mixins, selector inheritance, and more. It's translated to well-formatted, standard CSS using the command line tool or a web-framework plugin.

PostCSS and Sass can be categorized as "CSS Pre-processors / Extensions" tools.

"The "babel" of CSS" is the primary reason why developers consider PostCSS over the competitors, whereas "Variables" was stated as the key factor in picking Sass.

PostCSS and Sass are both open source tools. PostCSS with 21K GitHub stars and 1.15K forks on GitHub appears to be more popular than Sass with 12K GitHub stars and 1.93K GitHub forks.

According to the StackShare community, Sass has a broader approval, being mentioned in 2082 company stacks & 1445 developers stacks; compared to PostCSS, which is listed in 62 company stacks and 47 developer stacks.

What is PostCSS?

PostCSS is a tool for transforming CSS with JS plugins. These plugins can support variables and mixins, transpile future CSS syntax, inline images, and more.

What is Sass?

Sass is an extension of CSS3, adding nested rules, variables, mixins, selector inheritance, and more. It's translated to well-formatted, standard CSS using the command line tool or a web-framework plugin.
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      What are some alternatives to PostCSS and Sass?
      Stylus
      Stylus is a revolutionary new language, providing an efficient, dynamic, and expressive way to generate CSS. Supporting both an indented syntax and regular CSS style.
      CSS Modules
      It is a CSS file in which all class names and animation names are scoped locally by default. The key words here are scoped locally. With this, your CSS class names become similar to local variables in JavaScript. It goes into the compiler, and CSS comes out the other side.
      Less
      Less is a CSS pre-processor, meaning that it extends the CSS language, adding features that allow variables, mixins, functions and many other techniques that allow you to make CSS that is more maintainable, themable and extendable.
      node-sass
      It is a library that provides binding for Node.js to LibSass, the C version of the popular stylesheet preprocessor, Sass. It allows you to natively compile .scss files to css at incredible speed and automatically via a connect middleware.
      Animate.css
      It is a bunch of cool, fun, and cross-browser animations for you to use in your projects. Great for emphasis, home pages, sliders, and general just-add-water-awesomeness.
      See all alternatives
      Decisions about PostCSS and Sass
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      Reviews of PostCSS and Sass
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      How developers use PostCSS and Sass
      Avatar of Mick Dekkers
      Mick Dekkers uses PostCSSPostCSS

      PostCSS essentially allows you to set up your own CSS preprocessor with the features that matter to you. It has a modular plugin-based architecture, which means that if someone comes up with a useful new feature, you can easily add it to your stack as a PostCSS plugin. PreCSS and PostCSS-cssnext are some of my go-to plugins.

      Avatar of Kevin Ard
      Kevin Ard uses SassSass

      It was a little awkward building BS3 with LESS, and the rest of the site with SCSS, but it works. SCSS made building the UI elements (ink/flip buttons, img navs, etc) a breeze. It also drives the mobile menu open/close transitions - that would have been much too much with vanilla css.

      Avatar of Tim Lucas
      Tim Lucas uses PostCSSPostCSS

      PostCSS handles compiling node-based CSS libraries, including BassCSS (the whole site is only ~85 lines of custom CSS). It also does auto-vendor-prefixing and support for CSS variables.

      Avatar of Climate CoLab
      Climate CoLab uses SassSass

      Sass helps us write better stylesheets. One major improvement over CSS that we use a lot is variables - it allows for much easier theming to quickly change brand colors for new instances of the xCoLab.

      Avatar of Ujjwal Bhujel
      Ujjwal Bhujel uses SassSass

      When you realise that countless lines of CSS codes could be made countable. And off course, a wonderful and cool way to use the logic behind variables and nesting. Simply love it.

      Avatar of Scrayos UG (haftungsbeschränkt)
      Scrayos UG (haftungsbeschränkt) uses SassSass

      Sass is used as a part of Woltlab Suite Core, which offers to submit/configure own styles via the injection of own Sass-CSS. So we exclusively rely on Sass for our CSS needs.

      Avatar of Refractal
      Refractal uses SassSass

      CSS is a mess. There, we said it. Sass, on the other hand takes CSS and makes it pretty, easy to work with and has stuff like variables which make things seriously awesome.

      Avatar of Thibault Maekelbergh
      Thibault Maekelbergh uses PostCSSPostCSS

      We wrote a lot of flexbox and css that needed prefixing. PostCSS + Webpack was the best option here.

      Avatar of Virtually(Creative)
      Virtually(Creative) uses PostCSSPostCSS

      Used to minify and extend the CSS markup of the framework.

      Avatar of BookAuthority
      BookAuthority uses PostCSSPostCSS

      We use PostCSS to improve cross-browser compatibility

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