Best custom js plugins for WordPress
The most popular custom js plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Simple Custom CSS and JS leads with 600K+ active installs, ahead of TC Custom JavaScript (10K+) and Custom CSS (900+). All 11 plugins tagged “custom js” are below, with figures from WordPress.org that update every day.
Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.
Research this niche or see all plugins.
Top 10 custom js plugins
- 1.
Simple Custom CSS and JSThe most installed custom js plugin, with 600K+ active installs. Rated 4.4 from 104 reviews, updated 6 days ago.
- 2.
TC Custom JavaScript10K+ active installs. Rated 5.0 from 8 reviews, last updated 3 years ago. Tested only up to WordPress 6.1.16.
- 3.
Custom CSS900+ active installs. Rated 2.5 from 17 reviews, last updated 8 years ago. Tested only up to WordPress 4.6.30.
- 4.
Live Custom CSS JS Code Editor400+ active installs. Only 3 reviews so far, last updated 6 years ago. Tested only up to WordPress 5.3.27.
- 5.
Custom JS100+ active installs. No reviews yet, updated 5 days ago.
- 6.
Simple Custom Code100+ active installs. No reviews yet, updated 3 days ago.
- 7.
ICustomizer20+ active installs. Only 1 review so far, last updated 1 year ago. Tested only up to WordPress 6.8.12.
- 8.
WP Add Custom CSS and JS20+ active installs. Only 1 review so far, updated 5 months ago. Tested only up to WordPress 6.8.12.
- 9.
JS Injector10+ active installs. No reviews yet, last updated 9 years ago. Tested only up to WordPress 4.8.34.
- 10.
Devpri Custom CodeFewer than 10 active installs. No reviews yet, last updated 7 years ago. Tested only up to WordPress 5.2.30.
All 11 plugins tagged “custom js”
Simple Custom CSS and JS
Up in the last 7 days:1#100by SilkyPress6 days ago
Easily add Custom CSS or JS to your website with an awesome editor.
- Installs
- 600K+
- Rating
- 4.4(104)
- Downloads
- 6.1K/day
TC Custom JavaScript
Down in the last 7 days:5#2,114by Tiny Code3 years ago
Add custom JavaScript to your site from a professional editor in the WordPress admin.
- Installs
- 10K+
- Rating
- 5.0(8)
- Downloads
- 22/day
Custom CSS
Up in the last 7 days:5#7,020by FRESHFACE9 years ago
Add custom CSS, JS, PHP, tracking code. Very easy to use!
- Installs
- 900+
- Rating
- 2.5(17)
- Downloads
- 11/day
Live Custom CSS JS Code Editor
#9,958by Ozan Canakli6 years ago
Live Custom CSS JS Code Editor allows you to easily add custom CSS, JavaScript, Header, Footer Code to your site, straight from your WordPress Customi …
- Installs
- 400+
- Rating
- 5.0(3)
- Downloads
- 0/day
Custom JS
Down in the last 7 days:292#13,924by seosbg5 days ago
Add custom JavaScript and HTML to the head, body or footer of your site, admin area and login page.
- Installs
- 100+
- Rating
- –
- Downloads
- 6/day
Simple Custom Code
Down in the last 7 days:456#15,832by AppsCreo3 days ago
Add custom CSS, JS, and HTML snippets to WordPress with a live visual editor, AI code generation, and file-based storage.
- Installs
- 100+
- Rating
- –
- Downloads
- 22/day
ICustomizer
#25,874by informatux1 year ago
Personnalisation de votre administration et de votre site web
- Installs
- 20+
- Rating
- 5.0(1)
- Downloads
- 0/day
WP Add Custom CSS and JS
Up in the last 7 days:217#28,126by D3 LOGICS5 months ago
Add unlimited custom CSS and custom JavaScript to WordPress from the admin panel, with a live code editor, autocomplete, and minified output.
- Installs
- 20+
- Rating
- 5.0(1)
- Downloads
- 0/day
JS Injector
#29,286by 77 Solutions9 years ago
Super simple solution to add, edit and control custom JS code in selected area of Your WordPress website. Check long description.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Devpri Custom Code
Down in the last 7 days:239#51,810by Devpri7 years ago
A simple plugin to display HTML/CSS/JS custom code.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
TC Perfect Tools
Up in the last 7 days:5,254#59,088by Thomas Cocchiara4 years ago
Extend your Elementor and Elementor Pro with this plugin. It offers various capabilities such as tooltips, restricted content and more
- Installs
- <10
- Rating
- –
- Downloads
- 0/day