Shopify Custom css apps 2026

CodeUp ‑ Add Custom Code

9.1

11 Reviews

Easily Insert Custom Header & Footer Code to Your Store Show more

CodeUp - Add Custom Code is a versatile application designed to enhance your website's functionality by effortlessly integrating various codes into your site. With CodeUp, you can easily add essential codes such as Google Site Verification, Facebook Domain Verification, Google Analytics, and Facebook Pixel, as well as third-party scripts and live chat scripts. It also allows for the inclusion of custom CSS, empowering you to personalize your site's appearance and performance. The app provides a user-friendly interface, making it simple to customize and manage your code placements, whether in the head or body section. CodeUp offers intuitive features like simple code customization and page-wise code loading, ensuring an efficient and streamlined experience. Enhance your website's capabilities with this powerful tool and make your web presence more impactful and professional.

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Easy to use

Simple code customization

Load code pagewise

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Blog Post Page CTA Button MP

$9.9 / Month

8.2

1 Reviews

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Create & auto insert CTA with promo code into all blog posts Show more

Blog CTA Promo Code Upsell MP is an innovative app designed to transform your blog into a powerful growth channel by seamlessly incorporating beautiful call-to-action (CTA) banners. These CTAs automatically integrate into your chosen blog articles without any manual effort, making them ideal for evergreen content such as recipe and tutorial blogs. Unlike intrusive popups, their non-disruptive design ensures a fluid reading experience while subtly encouraging engagement. The built-in intuitive click-to-copy mechanism allows readers to effortlessly copy discount codes with a single click, enhancing their shopping experience. With options for automatic CTA insertion and bulk editing, customization is straightforward; users can choose from various color themes or apply custom CSS for branding consistency. By integrating these streamlined promotional tools, bloggers can leverage their existing content to boost conversions and sales effectively.

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Custom designs

Automatic cta insertion

Non-intrusive display

Click-to-copy

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EAZE WhatsApp Button

$0.89 / Month

7.5

147 Reviews

Easily let your customers contact you through WhatsApp Show more

WhatsApp Button by EAZE is an intuitive app designed to seamlessly integrate a customizable WhatsApp chat button into your online shop. This feature allows customers to easily get in touch with you by clicking the button, which redirects them to WhatsApp with a prefilled message, simplifying the communication process. The app enables you to fully customize the appearance of the chat button, providing options to match your shop's aesthetic through custom CSS styles. It supports responsive design, ensuring optimal functionality on both mobile and desktop devices. Additionally, you'll have the ability to track the button's performance using tools like Google Analytics, Tag Manager, and Meta/Facebook, giving you insights into customer interactions. This app enhances customer engagement by simplifying the process of contacting your shop, leading to improved customer service and satisfaction.

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Customizable chat button

Google analytics integration

Instant whatsapp redirection

Vipps MobilePay Login

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Vipps MobilePay Login is a convenient solution that allows users to access merchants' websites or apps using their existing Vipps or MobilePay account credentials. This streamlined login process eliminates the need for customers to fill out lengthy forms or remember multiple passwords, enhancing the user experience. By integrating Vipps MobilePay Login, businesses can easily add an alternative login method while benefiting from access to pre-verified user data. The integration is straightforward, thanks to the Theme Editor, which allows shop owners to add and customize the login button according to their branding needs. With drag-and-drop functionality or custom CSS options, adapting the button is simple and flexible. Improve customer engagement and secure login processes by offering Vipps MobilePay Login on your platform.

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Vipps/mobilepay login

Pre-verified user data

Customizable login button

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Social Media Icons Ultimate

$1.49 / Month

8.2

3 Reviews

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Social media icon floating bar and icon box. Threads X Twitter Show more

Social Media Icons Ultimate is a user-friendly app designed to help businesses maintain a strong connection with their customers through effective social networking. By integrating an appealing icon bar and box on your website, this app encourages visitors to follow or register on your social media platforms, enhancing engagement and customer retention. Featuring over 130 icons and support for 45+ social media platforms including Threads by Meta and X Twitter, it provides ample flexibility for customization. Users can adjust the size, spacing, colors, and positions of up to 10 icons according to their requirements, ensuring a seamless integration with their website's design. Furthermore, the app supports custom CSS styles, allowing businesses to tailor the aesthetic to align with their brand identity. Ultimately, Social Media Icons Ultimate is an invaluable tool for increasing potential leads and boosting online presence without compromising user experience.

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Floating social bar

Customizable icon box

130+ icons

45+ platforms

Adjustable design

Supports threads

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Sitemap HTML/XML & Robots.txt

$19 / Month

8.2

4 Reviews

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Theme scheduler or insert custom CSS, JS, to theme sections Show more

F: HTML/CSS: JS Liquid Code is a versatile app designed to simplify theme customization for store merchants. With this app, users can effortlessly update their theme or insert custom HTML, CSS, and JavaScript code into theme sections without directly editing liquid code files, reducing the risk of errors. Whether you want to change a button's color, add a top bar, or integrate a script, the app enables swift modifications through an intuitive theme sections block extension. The included Theme Updater ensures your customizations remain intact and compatible with theme updates. Additionally, the app supports the easy insertion of essential tools like Google Analytics, Google Tag Manager, Facebook Pixel, and meta tag verification codes to enhance site functionality. This app offers a streamlined, user-friendly solution for anyone looking to personalize their online store's appearance and capabilities.

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Analytics integration

Theme scheduling

Insert custom css

Insert custom js

Html code snippets

Add css sections

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Gift Cards Suite + AI

$6.99-$123.99 / Month

8.2

2 Reviews

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Effortlessly manage and create personalized gift cards with AI enhancements. Show more

Gift Cards Suite + AI revolutionizes gift card management with its dynamic, customizable solutions, perfect for businesses looking to enhance their customer engagement. Utilize the power of AI to create unique, visually compelling gift cards that stand out. The app automates key processes such as notifications, balance tracking, and order fulfillment, making gift card operations seamless and efficient. You can easily bulk-create gift cards and design personalized product pages, allowing customers to send heartfelt, customized gifts. Enhance your storefront aesthetics with promotional widgets, while maintaining brand consistency through adjustable settings and custom CSS. Experience advanced gift card management by effortlessly editing, tracking, and analyzing gift card data. Overall, Gift Cards Suite + AI is the ideal tool for businesses aiming to innovate their gift card offerings with ease and creativity.

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Order fulfillment

Automated notifications

Bulk gift card creation

Ai-powered designs

Advanced management tools

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V1 Slide Cart Drawer & Upsell

8.2

3 Reviews

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Enhance cart design with discounts, shipping calculation, and customization features. Show more

V1 Cart Page & Drawer is an innovative app designed to enhance your online store's cart interface by replacing the standard theme cart page and drawer with a streamlined, high-converting alternative. Seamlessly integrating into your existing design and fonts, this app offers powerful features with minimal impact on your website's performance. It calculates shipping costs and delivery times, and offers basic discount functionality, ensuring customers see transparent pricing. To boost sales, it allows you to define maximum order quantities for cart items and displays progress bars for free shipping and gifts, encouraging higher cart values. The app also provides customization options, allowing you to tailor the layout or add custom CSS according to your brand's needs. Additionally, it upsells automatically matching products and displays a customized estimated delivery date, benefits, and any necessary legal text, creating a cohesive and engaging shopping experience.

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Estimated delivery date

Progress bar display

Upsell products

Shipping calculation

Enhanced cart design

Discount functionality

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Easy Custom CSS

$1995 / Month

(2.7/5)

3 Reviews

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Add custom CSS code to any available theme on your store Show more

Easy Custom CSS is a powerful app designed to help you effortlessly enhance the appearance of your online store without delving into backend code modifications. This user-friendly tool requires only a basic understanding of CSS, enabling you to swiftly implement changes to your store's design. With Easy Custom CSS, you can conveniently add custom CSS to any of your store's available themes, offering you greater flexibility in tailoring the aesthetic to match your brand's identity. The app features syntax highlighting and autocompletion, which together provide helpful suggestions to streamline the coding process and ensure accuracy. Whether you're looking to make minor tweaks or significant design overhauls, Easy Custom CSS empowers you to take control of your store's visual presentation with ease.

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Add css to theme

Syntax highlighting

Autocompletion

Install App

Age Verification Pro

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"Ensure storefront compliance with customizable age verification popups." Show more

Age Verification Pro is a versatile app designed for Shopify merchants seeking to comply with legal age restrictions on their storefronts. By implementing a customizable age verification popup, the app ensures only appropriate visitors can access certain products or pages. Users can personalize the popup to align seamlessly with their brand image, choosing from a variety of animations and designs. The app offers robust targeting options, allowing merchants to present distinct popups based on country, language, or product categories. Additionally, developers can leverage advanced customization features through custom CSS and JavaScript for enhanced control. With 24/7 customer support, Age Verification Pro provides a reliable solution to manage age restrictions effectively and professionally.

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Customizable popup design

Popup visibility control

Market-specific targeting

Advanced developer options

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Script Inserter

$9.99 / Month

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Easily insert Scripts, Custom Javascript and CSS in your store Show more

Script Inserter is a convenient application designed to simplify the process of embedding scripts in your online store. With this tool, there's no need to meddle with your shop's theme; simply copy and paste your code snippets into Script Inserter, and it will handle the rest, ensuring seamless integration. Whether you wish to implement the scripts on your store's web front, order status page, or both, Script Inserter gives you that flexibility. The app ensures that your scripts remain intact and functional even when you decide to switch your store's theme. It supports an unlimited number of JavaScript and CSS scripts, enabling enhanced customization. Users can also benefit from fast response times and reliable service, all while having the peace of mind that their information is kept private.

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Easily insert scripts

Supports javascript and css

Copy-paste code

Load on web front

Load on order status page

Theme change compatibility

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QuizMaster‑Product Recommender

$2.99 / Month

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Engage customers with personalized quizzes and gain insights. Show more

QuizMaster-Product Recommender is an intuitive app that empowers businesses to create engaging and personalized quizzes without the need for any coding or technical expertise. Designed to seamlessly integrate with your online store, it enhances customer interaction and collects valuable Zero-Party data, allowing you to refine your marketing strategies effortlessly. Whether operating in retail, fashion, pet products, or cosmetics, the app supports a wide range of niches, offering versatile Q&A formats and the ability to send results directly to customers' emails. Customize your quizzes with ease, applying custom CSS to ensure they align with your brand's unique look and feel, and tailor every element including images, fonts, and layouts. By analyzing quiz responses, QuizMaster provides valuable insights into customer preferences and behavior, helping you recommend personalized products to enhance the shopping experience. With its responsive user interface, the app ensures a smooth and engaging experience for both businesses and their customers.

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Customization options

Personalized quizzes

Collect zero-party data

Responsive experience

Marketing strategies

No-code interface

Install App

Easy Custom CSS

$1995 / Month

(2.7/5)

3 Reviews

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Add custom CSS code to any available theme on your store Show more

Easy Custom CSS is a powerful app designed to help you effortlessly enhance the appearance of your online store without delving into backend code modifications. This user-friendly tool requires only a basic understanding of CSS, enabling you to swiftly implement changes to your store's design. With Easy Custom CSS, you can conveniently add custom CSS to any of your store's available themes, offering you greater flexibility in tailoring the aesthetic to match your brand's identity. The app features syntax highlighting and autocompletion, which together provide helpful suggestions to streamline the coding process and ensure accuracy. Whether you're looking to make minor tweaks or significant design overhauls, Easy Custom CSS empowers you to take control of your store's visual presentation with ease.

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Add css to theme

Syntax highlighting

Autocompletion

Install App

Mega HTML/CSS/JS Code Embed

8.2

1 Reviews

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Easily add custom HTML, CSS, JS, and Liquid code to your store Show more

Mega HTML/CSS/JS Code Embed is a powerful app designed to enhance your online store with custom code integration, providing flexibility and creativity in managing your shop's appearance and functionality. It allows you to seamlessly add tracking pixels, create eye-catching animations, and implement sophisticated product filters without the need for complex modifications, making it suitable for users of all skill levels. With dedicated fields for HTML, CSS, JavaScript, and Liquid code, you can easily embed videos, style custom elements, and develop interactive features. The live preview feature within the Shopify theme editor lets you see your changes in real time, enabling instant refinement and adjustment. Whether you're looking to add a countdown timer, customize your checkout pages, or integrate third-party tools, the app offers a smooth experience with seamless integration and app embeds. Quick and easy to install with just one click, Mega HTML/CSS/JS Code Embed empowers you to enhance your store's functionality and aesthetics swiftly and efficiently.

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Live preview

Advanced filters

Interactive elements

Instant setup

Custom animations

Theme editor

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BL Custom HTML CSS JS Liquid

8.2

1 Reviews

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Embed HTML, CSS, JS, and Liquid—no theme code editing needed. Show more

BL Custom HTML CSS JS Liquid is a versatile app designed to give you complete control over your store's design and functionality by enabling the integration of custom HTML, CSS, JavaScript, and Liquid code. This powerful tool allows users to modify their store’s appearance and add unique features, enhancing the overall shopping experience. Whether you want to apply code that runs globally across all pages or focus on specific sections for a more custom look, this app has you covered. Ideal for embedding custom tags, snippets, and specialized elements, it ensures a seamless and dynamic web presence. The standout feature is its capability to make modifications without altering core theme files, ensuring that your store remains secure and easy to update. BL Custom HTML CSS JS Liquid is essential for anyone looking to create a distinct and personalized online shopping environment.

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Embed custom code

Global code application

Targeted code snippets

Custom tag addition

Modify store appearance

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Inline ‑ Critical CSS

$10 / Month

(3.6/5)

7 Reviews

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Speed up your online store by generating critical css Show more

Inline - Critical CSS is an app designed to enhance webpage loading speeds by directly embedding essential styling into the document's `` element. This approach eliminates the need for additional server requests for stylesheets and reduces the time users wait for styles to render. Non-critical, below-the-fold styling is fetched in the background, ensuring the main content is quickly viewable, thereby avoiding render-blocking issues. Faster page load times significantly enhance user experience, improve conversion rates, and elevate search engine rankings, particularly benefiting first-time visitors to the site. By prioritizing critical CSS, this app optimizes performance, providing a seamless browsing experience while contributing to better SEO outcomes.

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Eliminate render-blocking

Faster load times

Improve google ranking

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GeoStyle‑ Country‑Specific CSS

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Change CSS styling based on country Show more

GeoStyle - Country-Specific CSS is a powerful app designed to enhance the online shopping experience by enabling merchants to tailor their store's appearance according to the visitor's geographical location. Ideal for businesses operating in multiple regions, this app allows you to selectively display or hide elements on your website, ensuring that your content is always relevant and compliant with local regulations and cultural norms. With GeoStyle, you can effortlessly set different CSS rules for various countries or groups of countries, creating a more personalized shopping atmosphere for your global audience. The app is designed to manage multiple style rules seamlessly without affecting your site's performance or its Cumulative Layout Shift, thanks to its Liquid-only rendering approach. Whether you're looking to enhance specific content for better engagement or hide elements to maintain regulatory compliance, GeoStyle is a versatile solution for achieving country-specific customization.

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No performance impact

Country-specific css

Customize appearance

Hide elements selectively

Display compliance

Content relevance

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Easy HTML, CSS Content Embed

$19.99 / Month

8.2

2 Reviews

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Embed rich content of your choice easily on your store. Show more

The HTML, CSS, Rich Content Embed app empowers you to inject creativity and customization into your Shopify store, enhancing its visual appeal and functionality. Utilizing the flexibility of HTML, CSS, and other rich content formats, the app offers endless possibilities for displaying custom content across various parts of your store. With the introduction of Shopify's app blocks, it is now even easier for merchants and developers to personalize their storefronts. This app leverages these advancements, providing a seamless way to configure and showcase diverse content through both the app and theme editor. The user-friendly editor simplifies modifications, while the app's cutting-edge infrastructure ensures minimal load times. Designed with the latest theme architecture in mind, this tool is optimized for both contemporary design and performance, enhancing user experience and store efficiency.

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Embed rich content

Custom content display

Html, css support

User-friendly editor

Theme editor configuration

Minimizes load time

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MinifyMe ‑ File Optimizer

(2.8/5)

10 Reviews

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Minify CSS, JavaScript & Liquid files to speed up your store Show more

MinifyMe - File Optimizer is an intuitive app designed to enhance your store's performance by efficiently optimizing theme assets. With no developer experience required, users can effortlessly reduce the size of JavaScript, Liquid, and CSS files, leading to improved site speed and performance. The app simplifies file optimization with a user-friendly interface, allowing anyone to minify their files with just the press of a button. One of its standout features is the ability to easily revert minified files, enabling users to make necessary edits or fixes before reapplying the optimization. MinifyMe ensures a seamless and accessible experience for users aiming to boost their site's efficiency. Whether you're a seasoned professional or a novice, achieving a faster, more responsive store has never been easier.

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Shopify admin integration

Improve site speed

Minify css files

Minify javascript files

Minify liquid files

Easy file revert

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Designy CSS Visual Editor

$7.95 / Month

8.2

2 Reviews

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Customize, fix and animate any existing or new shop element Show more

Designy Visual Editor is a powerful tool for customizing the look and feel of your online store with unparalleled precision. It allows you to modify various design elements, including backgrounds, text sizes, colors, fonts, and more, giving you the flexibility to create a unique shopping experience. The app enables you to animate elements with both appearance and ongoing animations, adding dynamic flair to your site. Designy also lets you add fully customizable app blocks such as buttons, headers, images, and videos effortlessly. You can visually tweak the CSS of any existing element without needing any coding knowledge, streamlining your design process. Moreover, the app supports tailored modifications for desktop, mobile, and hover states, enhancing its versatility. You can preview your edits across different device views, ensuring a consistent and optimized appearance for all user experiences.

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Countdown timers

Video embedding

Adjust margins

Visual css editor

Modify backgrounds

Change text sizes

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Shopify Custom css apps

Related Categories

Price

Based on reviews

Showing 40 to 60 of 32 Apps

CodeUp ‑ Add Custom Code

Blog Post Page CTA Button MP

EAZE WhatsApp Button

Vipps MobilePay Login

Social Media Icons Ultimate

Sitemap HTML/XML & Robots.txt

Gift Cards Suite + AI

V1 Slide Cart Drawer & Upsell

Easy Custom CSS

Age Verification Pro

Script Inserter

QuizMaster‑Product Recommender

Easy Custom CSS

Mega HTML/CSS/JS Code Embed

BL Custom HTML CSS JS Liquid

Inline ‑ Critical CSS

GeoStyle‑ Country‑Specific CSS

Easy HTML, CSS Content Embed

MinifyMe ‑ File Optimizer

Designy CSS Visual Editor