Software Alternatives & Reviews

PostCSS VS CSS Modules

Compare PostCSS VS CSS Modules and see what are their differences

PostCSS logo PostCSS

Increase code readability. Add vendor prefixes to CSS rules using values from Can I Use. Autoprefixer will use the data based on current browser popularity and property support to apply prefixes for you.

CSS Modules logo CSS Modules

I’ve been intrigued by CSS Modules lately. If you haven't heard of them, this post is for you. We'll be looking at the project and it's goals and aims. If
  • PostCSS Landing page
    Landing page //
    2023-09-19
  • CSS Modules Landing page
    Landing page //
    2023-02-21

PostCSS videos

UnCSS your CSS! Removing Unused CSS with PostCSS & Parcel

More videos:

  • Review - Terry Smith – Keep your CSS simple with postcss and tailwind
  • Review - #1 PostCSS Обзор

CSS Modules videos

Josh Johnston: At Least 6 Ways to Win with CSS Modules

More videos:

  • Review - Styling React Components with CSS Modules | Styling react with CSS Classes | Data Is Good
  • Review - Styling LitElement views part 2: global styles and CSS modules (Vaadin Fusion)

Category Popularity

0-100% (relative to PostCSS and CSS Modules)
CSS Framework
86 86%
14% 14
Developer Tools
87 87%
13% 13
Design Tools
87 87%
13% 13
Development Tools
78 78%
22% 22

User comments

Share your experience with using PostCSS and CSS Modules. For example, how are they different and which one is better?
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Social recommendations and mentions

Based on our record, PostCSS should be more popular than CSS Modules. It has been mentiond 39 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

PostCSS mentions (39)

  • PostCSS - my initial experience
    The plugins in the official PostCSS website were old like IE6 or the marquee tag, and. - Source: dev.to / over 1 year ago
  • Dark Mode with SvelteKit, a Blog Post
    Hello internet. I just published a new blog post on how to implement dark mode with SvelteKit, optionally with PostCSS and TailwindCSS:. Source: 6 months ago
  • 11 Ways to Optimize Your Website
    There are many frontend tools available for this purpose. For example, PostCSS is a popular CSS processor that can combine and minimize your code. With the right plugin, it can even fix your code for compatibility issues, making sure your CSS styles work for all browsers. - Source: dev.to / 6 months ago
  • Styling React 2023 edition
    I use PostCSS to extend CSS’s features and to add a few things that make writing styles a little more convenient, but it could easily be swapped for another preprocessor like Sass or vanilla CSS. It’s up to you. You can view my PostCSS config here. - Source: dev.to / 6 months ago
  • Abstract Syntax Trees and Practical Applications in JavaScript
    Code transpilation isn't specific to JavaScript, You can also add a level of transformation to your CSS source using tools like post-css. Most languages with a fairly mature ecosystem will probably have some tools to help with code transformation. - Source: dev.to / 7 months ago
View more

CSS Modules mentions (11)

  • Is there really no better way to isolate styles across components than CSS modules?
    From what I read about CSS modules, the style isolation provides some guard rails to prevent things like random bits of global style or having colliding rules all over the place. This makes a lot of sense, but even on huge projects, I never really have those problems. I've disciplined myself to pair a component file with a CSS file (MyComponent.jsx + MyComponent.css) and keep global styles to a minimum. Source: about 1 year ago
  • Components with separate styles - how to do?
    Any time you import CSS files into a module, that CSS becomes active on EVERY component in your entire project, so that's not really a good way to go about it. It essentially creates a tag inside the final rendered html with all of your CSS within it. If you have two CSS files, and they both have a class of .myClass then they will step on each other and cause bad things to happen to your... Source: over 1 year ago
  • Why do bigger websites have the weirdest class and id names?
    They are probably using css modules. Source: over 1 year ago
  • No Caption..
    This may be a little more advanced but I'd also recommend looking into CSS modules. It basically allows you to scope your styles to individual elements preventing unwanted cascading, and simplifies naming conventions a lot (since the class names are now variables). Source: over 1 year ago
  • Styling in React.js
    Another interesting way to organize you css is using css modules. Source: almost 2 years ago
View more

What are some alternatives?

When comparing PostCSS and CSS Modules, you can also consider the following products

Sass - Syntatically Awesome Style Sheets

Tailwind CSS - A utility-first CSS framework for rapidly building custom user interfaces.

styled-components - styled-components is a visual primitive for the component age that also helps the user to use the ES6 and CSS to style apps.

Less - Less extends CSS with dynamic behavior such as variables, mixins, operations and functions. Less runs on both the server-side (with Node. js and Rhino) or client-side (modern browsers only).

Stylus - EXPRESSIVE, DYNAMIC, ROBUST CSS

Autoprefixer - autoprefixer - Parse CSS and add vendor prefixes to rules by Can I Use