WordPress CSS Plugin will help you add custom CSS code in your site without any problem.

Nowadays, there are a large number of ways to custom your site in your style. However, the most effective one may be inserting custom CSS code. Therefore, we are here today to bring you List Of Top 8 Useful WordPress CSS Plugin In 2021 to help you do that smoothly. So, we will start exploring this collection right now!

Simple Custom CSS and JS

The first plugin we would like to show you is Simple Custom CSS And JS. Above all, you can add custom CSS and JS code without even having to modify your theme or plugin files. So, this let you customize your site look quickly and easily.

Provided features:

  • Text editor with syntax highlighting
  • Print the code inline or included into an external file
  • Print the code in the header or the footer
  • Add CSS or JS to the frontend or the admin side
  • Insert as many codes as you want
  • Keep your changes also when you change the theme


  • Easy to use
  • Customizable
  • Useful

WP Add Custom CSS

WP Add Custom CSS – WordPress plugin WordPress org

Secondly, we will together discover WP Add Custom CSS. Above all, it supports you to insert custom CSS into the whole site or each post, page or custom post type very quickly. Besides, it helps you customize the stylesheet which is from the “Add custom CSS” setting page. A new “Custom CSS” box can be created so that you can insert custom CSS to any post and page.

Provided features:

  • Add custom CSS to the whole website
  • Override the default stylesheets
  • Add custom CSS to individual posts
  • Edit the main stylesheet
  • Create a new “Custom CSS” box


  • Simply Incredible
  • Work Perfectly
  • Great tool

Simple Custom CSS

Simple Custom CSS – WordPress plugin WordPress org

The third plugin you should try is Simple Custom CSS. In other words, this plugin permits you to insert custom CSS styles for your site simply. In addition, thanks to it, administrators are able to get access to WordPress Networks. A simple interface that is built on site performance is also consisted of in this plugin.

Provided features:

  • Virtually no impact on site performance
  • No complicated database queries
  • Thorough documentation
  • Allows Administrator access on WP Networks
  • Customizer Control
  • Useful Code Syntax Highlighter
  • Code linting
  • No configuration needed
  • Simple interface built on native WordPress UI


  • Clean and simple
  • Convenient and Reliable
  • Amazing

Simple CSS

Fourthly, we make sure that Simple CSS plugin may bring you the satisfaction. That is to say, this plugin offers you an awesome admin editor and a live preview editor in the Customizer so you can easily add your CSS. Further, it also lets you add a metabox which assists you to apply your CSS on only a specific page or post.

Provided features:

  • Full featured admin CSS editor
  • Dark and light editor themes
  • CSS editor in the Customizer so you can live preview your changes
  • Metabox for page/post specific CSS


  • Great support
  • Customizable
  • Effective

Code Snippets

Code Snippets – WordPress plugin WordPress org

The fifth plugin we want to introduce for you is Code Snippets. Above all, this plugin supports you to run a PHP code snippets easily on your site. Besides that, a snippet is a small chunk of PHP code so that you can use it to extend your WordPress site. Thanks to this plugin, you are able to insert snippet code into your active theme in a real-time.

Provided features:

  • Graphical interface
  • Run PHP code snippets
  • Add snippet code to your active theme
  • A GUI interface
  • Categorize snippets
  • A full-featured code editor


  • Great plugin
  • Excellent
  • Time Saver

Head Footer Code – WordPress plugin WordPress org

Head & Footer Code is another plugin you shouldn’t miss in this blog. In other words, it allows you to insert several custom code such as JavaScript, HTML or CSS style into your page. Moreover, you can also insert custom code into the head or footer section as well as several custom codes for specific articles, posts, and pages.

Provided features:

  • Set article-specific custom content
  • Choose the priority of printed custom code
  • Add custom code specific for individual article
  • Choose article-specific head/footer code
  • Site-wide section


  • Works Perfectly
  • Useful plugin
  • Simple to use

My Custom Functions

My Custom Functions – WordPress plugin WordPress org

My Custom Functions is a suggested plugin you should to have. That is to say, this plugin enables you to insert custom PHP code in a safe and easy way without making your site slow down and changing your theme files. In addition, you can not have to edit the theme’s funstion.php file as well as plugin files.

Provided features:

  • Cross-browser compatible
  • Compatible with all WordPress themes
  • Lightweight and fast
  • Insert custom PHP code into the site
  • Checks the entered code for fatal errors
  • Easy disable option for WSOD
  • Intuitive interface
  • RTL compatible
  • Translation ready


  • Useful plugin
  • Very easy
  • Perfect and great

Modular Custom CSS

Modular Custom CSS – WordPress plugin WordPress org

Finally, why don’t you using Modular Custom CSS? Above all, it provides you an option to insert CSS into your site. In addition, because your CSS is live-previewed, you can see how your site can be looked exactly before publishing them.

Provided features:

  • Switch themes freely
  • Instantly live-previewed
  • See exactly how your site will look
  • Theme-specific CSS


  • Great stuff
  • Really interesting Approach
  • So easy to use


To sum up, that is everything we want to share you about List Of Top 8 Useful WordPress CSS Plugin In 2021. So, we wish that the blog can help you find the best plugin for your site. Moreover, don’t forget to access our site to get more Free WordPress Themes here.