Research
2025 Report: Destructive Malware in Open Source Packages
Destructive malware is rising across open source registries, using delays and kill switches to wipe code, break builds, and disrupt CI/CD.
By Kush Pandya - Dec 24, 2025
postcss-minify-selectors
Advanced tools
postcss-minify-selectors 
Minify selectors with PostCSS.
Install
With npm do:
npm install postcss-minify-selectors --save
Example
Input
h1 + p, h2, h3, h2{color:blue}
Output
h1+p,h2,h3{color:blue}
For more examples see the tests.
Usage
See the PostCSS documentation for examples for your environment.
Contributing
Pull requests are welcome. If you add functionality, then please add unit tests to cover it.
License
MIT © Ben Briggs
Other packages similar to postcss-minify-selectors
cssnano
cssnano is a modular minifier based on the PostCSS ecosystem. It includes a variety of optimizations, including selector minification, which makes it a more comprehensive tool compared to postcss-minify-selectors.
clean-css
clean-css is a fast and efficient CSS optimizer for Node.js. It provides a wide range of optimizations, including selector minification, similar to postcss-minify-selectors, but also offers additional features like advanced optimizations and compatibility options.
csso
csso (CSS Optimizer) is a CSS minifier that performs structural optimizations to make CSS files smaller. It includes selector minification as one of its features, making it comparable to postcss-minify-selectors, but it also focuses on other types of optimizations.
FAQs
Minify selectors with PostCSS.
The npm package postcss-minify-selectors receives a total of 5,959,852 weekly downloads. As such, postcss-minify-selectors popularity was classified as popular.
We found that postcss-minify-selectors demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 8 open source maintainers collaborating on the project.
Package last updated on 18 Jan 2016
Did you know?
Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.
Related posts
Security News
Engineering with AI Podcast: The Promise of AI-First Development
Socket CTO Ahmad Nassri shares practical AI coding techniques, tools, and team workflows, plus what still feels noisy and why shipping remains human-led.
By Sarah Gooding - Dec 24, 2025
Research
/Security News
Spearphishing Campaign Abuses npm Registry to Target U.S. and Allied Manufacturing and Healthcare Organizations
A five-month operation turned 27 npm packages into durable hosting for browser-run lures that mimic document-sharing portals and Microsoft sign-in, targeting 25 organizations across manufacturing, industrial automation, plastics, and healthcare for credential theft.
By Nicholas Anderson, Kirill Boychenko - Dec 23, 2025