PluginSift

WP Add Custom CSS vs WP Compiler (2026)

Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.

WP Add Custom CSS

WP Add Custom CSS

4.8(90)

60K+ active installs

Free

Updated 7 months ago
View WP Add Custom CSS
VS
WP Compiler

WP Compiler

5(6)

1.0K+ active installs

Free

Updated 7 years ago
View WP Compiler

Quick Verdict

As of April 2026, WP Compiler has a higher user rating (5/5 from 6 reviews) while WP Add Custom CSS leads in active installations (60K+ vs 1.0K+). Both are free WordPress plugins. WP Add Custom CSS has accumulated 991K+ total downloads while WP Compiler has 4.5K+.

Detailed Comparison

Rating
4.8/5WP Add Custom CSS
►
WP Compiler5/5
Total Reviews
90WP Add Custom CSS
◄
WP Compiler6
Active Installs
60K+WP Add Custom CSS
◄
WP Compiler1.0K+
Total Downloads
991K+WP Add Custom CSS
◄
WP Compiler4.5K+
Support Resolution
N/AWP Add Custom CSS
WP CompilerN/A
Last Updated
7 months agoWP Add Custom CSS
◄
WP Compiler7 years ago
First Released
2014WP Add Custom CSS
WP Compiler2018
Age
12 yearsWP Add Custom CSS
WP Compiler8 years
WP Requires
4.0+WP Add Custom CSS
WP Compiler4.8+
PHP Requires
false+WP Add Custom CSS
WP Compiler5.6+
Business Model
FreeWP Add Custom CSS
WP CompilerFree
Latest Version
1.2.1WP Add Custom CSS
WP Compiler1.0.0

Rating Breakdown

WP Add Custom CSS

4.8/5(90 reviews)
5
91%
4
2%
3
2%
2
2%
1
2%

WP Compiler

5/5(6 reviews)
5
100%
4
0%
3
0%
2
0%
1
0%

Recent Reviews

WP Add Custom CSS Reviews

by Jesko Bendmann

love it

simple and one click access. great plugin.

by danielepais

It does exactly what it says in the tin

Great simple and effective plugin.

by skylabb

Great plugin with a couple issues

I want to like this plugin but there are a couple things needed improvement. Having the option to choose output method is great, but useless when it’s not working. The “Use a CSS file” option does not

WP Compiler Reviews

by tomaaszq

Very useful plugin

I was looking for a way to compile scss directly on the server and have a compilation there without installing Gulp on the server. From today I don’t have to watch and send files locally. Plugin works

by mikhaell

Great potential! (but one small problem)

I use this plugin successfully. Good job! It has a wide application for me. I have only one problem – if I use ‘production mode’, sass is compiled and compressed correctly, but JS (using js.manifest)

by chrishaff

What plugins should aspire to

I used this with the understrap theme to compile a customized bootstrap along with my own SCSS. This plugin is focused om it’s task to help you during development with the excellent auto-compilation w

Frequently Asked Questions

Is WP Add Custom CSS or WP Compiler more popular?
WP Add Custom CSS has 60K+ active installations while WP Compiler has 1.0K+. WP Add Custom CSS is the more widely-used plugin as of April 2026.
Which has better ratings — WP Add Custom CSS or WP Compiler?
WP Add Custom CSS has a 4.8/5 rating from 90 reviews, while WP Compiler has a 5/5 rating from 6 reviews.
Are WP Add Custom CSS and WP Compiler free?
WP Add Custom CSS is free and WP Compiler is free. Both can be downloaded from the WordPress.org plugin directory.
Which plugin has better support — WP Add Custom CSS or WP Compiler?
Support resolution data is not available for all plugins. Check each plugin's WordPress.org support forum for current response quality.
Which plugin is updated more frequently?
WP Add Custom CSS was last updated 7 months ago and WP Compiler was last updated 7 years ago.

Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.