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#1 in Custom CSS Plugins

Simple Custom CSS and JS — WordPress Custom CSS Plugin

by SilkyPress · WordPress.org page · Website

v3.54 Tested up to WP 7.1 PHP 5.2.4+

Simple Custom CSS and JS has 600,000+ active installs on WordPress.org and 10,900,219 downloads all time. We have tracked it since September 4, 2026; download trends appear after 30 days of data. The last update was on August 20, 2026, tested up to WordPress 7.1.

Simple Custom CSS and JS at a glance

Active installs
600,000+
Total downloads
10,900,219
Downloads, last 30 days
–
available after 30 days of tracking
30-day growth
–
tracking since September 4, 2026

Is Simple Custom CSS and JS well maintained?

Support threads resolved
4 of 4
recent threads on the WordPress.org support forum
WordPress compatibility
Current
tested up to WordPress 7.1, the current release is 7.1
One-star reviews
11%
11 of 103 reviews on WordPress.org

Simple Custom CSS and JS reviews and ratings

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

All reviews
4.4 out of 5

103 reviews

5★
82
4★
4
3★
4
2★
2
1★
11

Where Simple Custom CSS and JS ranks on WordPress.org

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

Ranking WordPress.org placement Position 30 days
Best Custom CSS Plugins #1 by tag, #1 in search #1 –
Best Custom Post Type Plugins #15 in search, not tagged #36 –

Simple Custom CSS and JS alternatives

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

All Simple Custom CSS and JS alternatives

Compare Simple Custom CSS and JS head to head

Details

Easily add Custom CSS or JS to your website with an awesome editor.

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

Tags

  • add style
  • custom css
  • custom js
  • customize theme
  • site css

More from SilkyPress

Version
3.54
Last updated
Aug 20, 2026
First published
Dec 7, 2015
Requires WordPress
4.2
Tested up to
7.1
Requires PHP
5.2.4
Pricing
Free on WordPress.org

Simple Custom CSS and JS FAQ

How many active installs does Simple Custom CSS and JS have?

WordPress.org reports 600,000+ active installs for Simple Custom CSS and JS as of September 7, 2026.

Is Simple Custom CSS and JS still maintained?

Yes. The last release was on August 20, 2026 and it is tested up to WordPress 7.1.

Does Simple Custom CSS and JS have good support?

On the WordPress.org forum, 4 of 4 recent support threads for Simple Custom CSS and JS are marked resolved. That is the developer's free support; a paid version usually comes with its own channel.

Is Simple Custom CSS and JS free?

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

Where does Simple Custom CSS and JS rank among Custom CSS Plugins?

Simple Custom CSS and JS is #1 in the WordPress.org "custom-css" ranking as of today.