As of April 2026, Custom CSS and JavaScript is a WordPress styles plugin with 10K+ active installations and a 4.7/5 rating from 60 reviews. It has been downloaded 176K+ times in total. Requires WordPress 3.5+ and PHP false+. Available on WordPress.org since 2015. Last updated 1 year ago — may have compatibility concerns. Downloads are down 9% this week. Top alternative: Simple Custom CSS Plugin.
4.7/560 reviews
10K+active installs
176K+total downloads
11 yearssince 2015
Overview
This plugin allows you to add custom site-wide CSS styles and JavaScript code to your WordPress site. Useful for overriding your theme’s styles and adding client-side functionality.
Features:
- Code editor with syntax highlighting and AJAX saving to avoid reloading the editor at each save.
- Save and preview your CSS and JavaScript as a draft that is only applied to logged-in users with the necessary permissions until you are ready to publish your changes to the public.
- View and restore past revisions of your CSS and JavaScript.
- Automatically minify your custom CSS and JavaScript code to reduce file size.
- For the public, custom CSS and JavaScript code is served from the filesystem instead of the database for optimal performance.
Now available! Custom CSS and JavaScript Developer Editi…
Screenshots
Ratings & Reviews
4.760 reviews
5 ★
54
4 ★
1
3 ★
0
2 ★
1
1 ★
4
Recent Reviews
Makes adding css snippets a breeze
by dshelton·1 year ago
I have been using this plugin for a month and it has really helped when you just need to try a small css snippet or two. I can quickly check out the code and get the site running without any trouble.
I have not tried the JS side as yet as I have not needed it.
Makes work easier.
by jamunahernandez14·1 year ago
Makes work easier.
- This topic was modified 1 year, 6 months ago by jamunahernandez14.
Works geat, easy to use.
by sloanthrasher·1 year ago
Works great, just what I needed to set up of special fields.
basic instruction missing
by zamaan·2 years ago·1 reply
There is no instruction weather we need to ad the script tag or not.
Super help
by serguei9090·2 years ago
Thanks you for your help!!
Download Trends
Today: 12Yesterday: 12This week: 83Period total: 9K
Compatibility
| WordPress | 3.5+ requiredTested up to 6.6.5 |
| PHP | false+ required |
Version Adoption
v2.0
100.0%
Top Alternatives to Custom CSS and JavaScript
Frequently Asked Questions
Changelog
2.0.16 – August 29, 2023
- Revert changes related to the admin page slug change
Contributors
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.