PluginScout

Simple CSS — WordPress Custom CSS Plugin

by Tom · WordPress.org page · Website

v1.1.1 Tested up to WP 6.8.8

Simple CSS has 80,000+ active installs on WordPress.org and 563,442 downloads all time. We have tracked it since September 4, 2026; download trends appear after 30 days of data. The last update was on September 15, 2025, tested up to WordPress 6.8.8.

Simple CSS at a glance

Active installs
80,000+
Total downloads
563,442
Downloads, last 30 days
available after 30 days of tracking
30-day growth
tracking since September 4, 2026

Is Simple CSS well maintained?

Support threads resolved
No open threads
nothing waiting on the WordPress.org forum
WordPress compatibility
Behind
tested up to WordPress 6.8.8, not yet with the current 7.1
One-star reviews
0%
0 of 60 reviews on WordPress.org

Simple CSS reviews and ratings

60 reviews on WordPress.org, with the most recent ones as their authors posted them.

4.9 out of 5

60 reviews

5★
56
4★
4
3★
0
2★
0
1★
0

Where Simple CSS ranks on WordPress.org

The rankings we track that Simple CSS appears in, and how its position changed over 30 days.

Ranking WordPress.org placement Position 30 days
Best Custom CSS Plugins #5 by tag, #19 in search #6

Simple CSS alternatives

Plugins that solve the same problem, ranked by how closely they overlap with Simple CSS.

Compare Simple CSS head to head

Details

Add CSS to your website through an admin editor, the Customizer or a metabox for page/post specific CSS.

The full description, screenshots and every review live on the WordPress.org page.

Tags

  • css
  • CSS Customizer
  • custom css
  • simple css
  • Simple Custom CSS

More from Tom

Version
1.1.1
Last updated
Sep 15, 2025
First published
Nov 21, 2015
Requires WordPress
4.0
Tested up to
6.8.8
Requires PHP
Pricing
Free on WordPress.org

Simple CSS FAQ

How many active installs does Simple CSS have?

WordPress.org reports 80,000+ active installs for Simple CSS as of September 7, 2026.

Is Simple CSS still maintained?

Yes. The last release was on September 15, 2025 and it is tested up to WordPress 6.8.8.

Is Simple CSS free?

Simple CSS is free to install from WordPress.org. Many plugins also sell a paid version or add-ons.

Where does Simple CSS rank among Custom CSS Plugins?

Simple CSS is #6 in the WordPress.org "custom-css" ranking as of today.