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Best CSS Editor Apps for Shopify in 2025

You’re a busy entrepreneur running your ecommerce business, and researching the best CSS editor apps you can use to optimize your Shopify store is time-consuming. So, we took the liberty of doing this legwork for you. 

These apps can help you create custom CSS whenever you need to change aspects of your store that isn't possible through the general way.

By looking at the app store rating, the number of reviews, the app’s top features, and other subjective parameters, we have curated the best CSS editor apps. We hope this will help you in your research to pick the best app for your store.

Looking for the best CSS Editor apps for your Shopify store? Here are the 3 best CSS editor apps you should use, free or paid, based on hundreds of recommendations.
Code Customizer

Code Customizer

by
Ecomfy
No reviews
5
(
8
)
Free to install
Key features of the app:
Custom HTML: Add your custom HTML scraps to any pages, assortments, blog, all items or function some particular products.

Custom CSS: Quickly and effectively add custom CSS for fluctuated screen sizes (Desktop, PC, portable ...) to your store.

Custom JS: Add your custom Javascript to your store effectively and in a split second.
Custom CSS Editor & Minify

Custom CSS Editor & Minify

by
Shine First
No reviews
5
(
7
)
Free
Key features of the app:
Quick Setup: Our application works with all subjects available, basically add it and it's done!.

Custom your Shop effectively: With our application, you will have the option to custom the style of your shop.

No hazard for your site: You don't have to change the topic record, just CSS!.
Custom CSS Pro

Custom CSS Pro

by
flowzy
No reviews
4.7
(
26
)
Free
Key features of the app:

The Custom CSS Pro app loads directly into Shopify admin as a simple editor that allows you to use CSS code to hide elements, change fonts, colors or styles on any of the pages. With this tool, any Shopify store administrator can use CSS to override the default theme style without the need to edit any of the theme files, which means you don’t risk damaging your website.

We know that choosing the right app can be daunting. These are the best apps we found during our research, and we honestly hope one of them is the right one for your store.

If you think there's an excellent app worthy of this list, drop an email to our team at marketing@delight(dot)chat. Until then, happy growing!

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