Best custom code plugins for WordPress
The most popular custom code plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. FlatPM leads with 10K+ active installs, ahead of LuckyWP Scripts Control (3K+) and OpenHook (1K+). All 12 plugins tagged “custom code” 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 code plugins
- 1.
FlatPMThe most installed custom code plugin, with 10K+ active installs. Rated 4.6 from 9 reviews, updated 10 months ago. Tested only up to WordPress 6.9.11.
- 2.
LuckyWP Scripts Control3K+ active installs. Rated 4.8 from 39 reviews, last updated 1 year ago. Tested only up to WordPress 6.8.12.
- 3.OpenHook
1K+ active installs. Rated 3.7 from 6 reviews, last updated 3 years ago. Tested only up to WordPress 6.3.14.
- 4.
Custom CSS900+ active installs. Rated 2.5 from 17 reviews, last updated 8 years ago. Tested only up to WordPress 4.6.30.
- 5.
NinjaTeam Header Footer Custom Code200+ active installs. Only 2 reviews so far, updated 2 months ago.
- 6.
Custom Code100+ active installs. Only 4 reviews so far, updated 1 week ago.
- 7.
Easy Custom Code (LESS/CSS/JS)100+ active installs. Only 3 reviews so far, updated 4 days ago.
- 8.CustomEasy
10+ active installs. No reviews yet, updated 2 weeks ago.
- 9.Add Code to RSS
10+ active installs. No reviews yet, last updated 16 years ago. Tested only up to WordPress 3.0.5.
- 10.Devpri Custom Code
Fewer than 10 active installs. No reviews yet, last updated 7 years ago. Tested only up to WordPress 5.2.30.
All 12 plugins tagged “custom code”

FlatPM
Down in the last 7 days:129#2,153by Mikhail Flat10 months ago
Flat PM is an ad management plugin. You might be thinking, "why do I need it?". It's simple: this is the best plugin for organizing ads …
- Installs
- 10K+
- Rating
- 4.6(9)
- Downloads
- 30/day

LuckyWP Scripts Control
Down in the last 7 days:4#3,820by LuckyWP1 year ago
A great way to insert and manage custom code (CSS, JS, meta tags, etc.) into website before </head>, after <body> or before </body>.
- Installs
- 3K+
- Rating
- 4.8(39)
- Downloads
- 15/day
OpenHook
Up in the last 7 days:6#6,204by Rick Beckman3 years ago
Add customizations to any hook in WordPress and any hook-enabled theme or plugin from within your admin panel! Wanna play hooky?
- Installs
- 1K+
- Rating
- 3.7(6)
- Downloads
- 11/day

Custom CSS
#7,029by FRESHFACE9 years ago
Add custom CSS, JS, PHP, tracking code. Very easy to use!
- Installs
- 900+
- Rating
- 2.5(17)
- Downloads
- 11/day

NinjaTeam Header Footer Custom Code
Down in the last 7 days:70#11,977by Ninja Team2 months ago
Help you easy to insert CSS and JavaScript codes to or before .
- Installs
- 200+
- Rating
- 3.5(2)
- Downloads
- 11/day

Custom Code
Up in the last 7 days:99#14,344by Varni Infotech7 days ago
Code snippets and AI code for WordPress: 100+ ready snippets, PHP, CSS, JS and HTML anywhere, crash protection, and an AI code writer in Pro.
- Installs
- 100+
- Rating
- 4.0(4)
- Downloads
- 23/day

Easy Custom Code (LESS/CSS/JS)
Down in the last 7 days:53#15,817by Web3574 days ago
Add custom LESS, CSS, JavaScript and HTML from the WordPress Customizer. No child theme, and your code survives theme updates.
- Installs
- 100+
- Rating
- 5.0(3)
- Downloads
- 11/day
CustomEasy
Up in the last 7 days:1,222#33,401by LCweb20 days ago
Add custom CSS, JavaScript or any HTML code to your site's head or footer, globally or per post. Lightweight, with a built-in code editor.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Add Code to RSS
Up in the last 7 days:2,291#40,258by m-pokrovskii17 years ago
Adds the custom PHP code before and after every feed entry.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Devpri Custom Code
Up in the last 7 days:5,855#58,285by Devpri7 years ago
A simple plugin to display HTML/CSS/JS custom code.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
ToolPress
Down in the last 7 days:8#73,045by Rakesh Lawaju (Racase)4 months ago
Add WhatsApp Chat, Google Tag Manager, custom HTML/CSS/JS, and CDN libraries — then use conditional logic to control exactly where each one loads.
- Installs
- <10
- Rating
- 5.0(1)
- Downloads
- 0/day