PluginStatsPostCSS Language Support installs statistics
By csstools · VS Code Marketplace · Programming Languages
Syntax highlighting for modern and experimental CSS in VSCode
PostCSS Language Support has 1,772,123 recorded installs on VS Code Marketplace.
It ranks #375 of 2,500 tracked VS Code Marketplace listings by installs.
It is rated 2.4 out of 5 from 32 ratings.
PluginStats has 3 daily observations since Oct 16, 2026; the latest is from Oct 18, 2026.
Rating: 2.38 / 5 from 32 ratings
About PostCSS Language Support
PostCSS Language Support [][PostCSS Language Support]
[PostCSS Language Support] adds support for modern and experimental CSS within Visual Studio Code.
This extension is applied to .css, .pcss and .postcss files. It also applies to the following contexts:
• HTML elements. • Markdown css and pcss code blocks. • Marko style blocks when paired with the [Marko Syntax Highlighting] extension.
Installation
1. Open the command palette and select Extensions: Install Extensions 2. Search for PostCSS Language Support 3. Click Install
Adding Support for Emmet
1. Open the command palette and select Preferences: Open Settings (JSON) 2. Add the following configuration:
Differences from CSS Language Support
PostCSS Language Support is derived from the native CSS Language Support built into Visual Studio Code, which is itself derived from the native CSS Language Support for Atom. This extension includes the following changes:
Modern CSS Features
• Support is added for nesting rules, including the nesting selector (&), the nesting at-rule (@nest), and @media and @supports at-rules. • Support is added for the :blank pseudo-class, as well as the :is() and :where functional pseudo-classes. • Support is added for prefers-color-scheme and prefers-reduced-motion within media queries. • Support is added for the place-self property. • Support is added for the env() function, as well as the hwb(), lab(), and lch() color functions. • Support is added for the emoji, fangsong, and system-ui font families. • Support is added for the border-block, border-inline, margin-block, margin-inline, padding-block, and padding-inline logical properties. • Support is added for @custom-media and @custom-selector at-rules.
Syntactical Looseness
• Support is added for nesting @extend and @extends at-rules. • Support is added for functional selectors (%placeholder). • Support is added for the CSS Modules :global rule, as well as the composes declaration, and also @value declarations. • Support is added for sass $variables. • Support is added for single-line comments (//). • Support is added for @custom-env at-rules. • Support is added for unknown nesting at-rules, as well as unknown @custom- prefixed at-rules.
Description from the VS Code Marketplace listing.
- css
- cssnext
- csswg
- experimental
- future
- grammar
- html
- language
- logical
- markdown
- marko
- md
- modern
- next
- pcss
- postcss
- postcss-preset-env
- spec
- specification
- stage
Where PostCSS Language Support sits in the listing
Each band is one page of 20. Installs on a log scale. Placement is projected from installs, so it can differ from the marketplace's own sort order. Hover a dot to see the listing.
Charts
Images: 30d · 1y · all time · 1600×900 dark
Adoption over time
7/30/90-day growth
Ranking history
Filled points are observed values; hollow points come from Internet Archive snapshots of the listing page. Dashed segments span periods with no observations — values between points are not interpolated.
Recent observations
Full history (3)Similar VS Code Marketplace Programming Languages plugins
Data source
Install counts, average rating, and rating counts come from the public Visual Studio Marketplace gallery API. Installs are cumulative and exclude updates.
Listing: https://marketplace.visualstudio.com/items?itemName=csstools.postcss. First seen Oct 16, 2026; last successful collection Oct 18, 2026. See the methodology.