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Custom CSS Shopify Apps

Discover the best Custom CSS apps for your Shopify store in 2025. Compare features, pricing, and reviews to find the perfect solution.

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We've analyzed thousands of custom css apps to identify the top performers based on ratings and install counts.

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Premium Donation App | Manage charity donations and giving | Support charity causes in your store Givonate helps Shopify stores accept donations through customizable donation widgets with fixed or flexible amounts. Create campaigns for donations and charities with campaign goals, modern layouts, real-time giving tracking, and analytics. Match the widget style with your brand, view performance instantly, and collect contributions with ease. No coding required. Givonate is built for brands that support charity causes and want to drive engagement through charity and recurring donations. Givonate helps Shopify stores accept donations through customizable donation widgets with fixed or flexible amounts. Create campaigns for donations and charities with campaign goals, modern layouts, real-time giving tracking, and analytics. Match the widget style with your brand, view performance instantly, and collect contributions with ease. No coding required. Givonate is built for brands that support charity causes and want to drive engagement through charity and recurring donations. more Add branded donation popups to collect charity donations for nonprofits causes Create unlimited charity campaigns for donations with goals and custom layouts Track charity performance and donations progress for fundraising in real-time Set predefined charity donations amounts to simplify giving and encourage donors Track charity donations and analyze donation impact for your charity store

5.0(Reviews)

Easily set up and run Giveaways, Contests & Sweepstakes that drive real user engagement. Gleam Competitions is a Contest + Sweepstakes widget you can set up with a combination of entry methods that will drive traffic to your shop & increase real user engagement from visitors. Entrants have to complete actions such as subscribe to your email list or interact on social media in exchange for a chance to win your prize. Giveaway marketing is easy: Collect emails from visitors who want to win your prize, then keep them engaged with sales funnels & discounts after the giveaway is over. Gleam Competitions is a Contest + Sweepstakes widget you can set up with a combination of entry methods that will drive traffic to your shop & increase real user engagement from visitors. Entrants have to complete actions such as subscribe to your email list or interact on social media in exchange for a chance to win your prize. Giveaway marketing is easy: Collect emails from visitors who want to win your prize, then keep them engaged with sales funnels & discounts after the giveaway is over. more Create your own campaign, or use our campaign templates for every occasion. Run campaigns directly from your Shopify store to increase website traffic. Get entrants to sign up to your newsletter then sync to your Shopify admin. Use Viral Share action to incentivize entrants to refer their friends & family. Create photo contests to collect user-generated content from your customers.

4.4(Reviews)

Customize swatches and boost revenue with built-in product bundles and quantity discounts. Show product options beautifully with clickable color and image swatches — fully customizable on product and collection pages. Group related products as variants to improve SEO and provide a seamless shopping experience. Boost sales with built-in product bundles and quantity breaks — ideal for upsells, B2B, or promotions. Easy setup, no coding needed. Works with all themes and filter apps. Show product options beautifully with clickable color and image swatches — fully customizable on product and collection pages. Group related products as variants to improve SEO and provide a seamless shopping experience. Boost sales with built-in product bundles and quantity breaks — ideal for upsells, B2B, or promotions. Easy setup, no coding needed. Works with all themes and filter apps. more Color swatch & image swatch anywhere(home page, collection page, search page) Group Products as Variants — Improve SEO and simplify product discovery. Product Bundles — Boost sales by offering bundled product combos. Quantity Breaks — Increase revenue with tiered pricing for bulk buyers. Hide out-of-stock variants, show low-stock alerts, and support multi-languages

4.9(Reviews)

Globo Mega Menu app could be considered as an optimal tool to create your menu with no code Design stunning, flexible menus with Globo Mega Menu. Create multi-level dropdowns, add product images, icons, collections, and pages - no coding required. Customize layouts with our drag-and-drop builder to match your brand. Improve store navigation and boost user experience. Ideal for large catalogs and B2B stores. Fully responsive and works with all Shopify themes. Design stunning, flexible menus with Globo Mega Menu. Create multi-level dropdowns, add product images, icons, collections, and pages - no coding required. Customize layouts with our drag-and-drop builder to match your brand. Improve store navigation and boost user experience. Ideal for large catalogs and B2B stores. Fully responsive and works with all Shopify themes. more Dropdown menu with multiple levels, Tab, Block links, menu images. Block HTML, Featured products, New products, Featured blog posts, New blog posts Build menu bar with: contact form, search box, match font of theme, icon, etc. "HOT, NEW" badge, Menu item highlight, Fully responsive and mobile-friendly Easy to build your main menu, filter menu, smart menu, food menu

4.9(Reviews)

Unlimited product options for any store. Enable product personalization with live preview Shopify limit 100 variants per product. This app helps you to create infinite product options. It also encourages buyers to personalize their products, which increases sales. Allow shoppers to design their own custom products based on flexible option choices. Apply particular option set to appropriate products. Your customer will be happy to pay a small extra amount for a custom option to have the most satisfied product. Shopify limit 100 variants per product. This app helps you to create infinite product options. It also encourages buyers to personalize their products, which increases sales. Allow shoppers to design their own custom products based on flexible option choices. Apply particular option set to appropriate products. Your customer will be happy to pay a small extra amount for a custom option to have the most satisfied product. more Text input field, file upload, color swatch, variant image, dropdown, checkbox Add-on price - Additional cost when you customer choose a product variants Conditional logic: Show/hide relevant options depending on the previously select Import & Export product variants by CSV file. Complete product custom tool. Powerful product personalization w/ text, images, custom fields & live preview.

4.9(Reviews)

Design, sell, and scan barcoded tickets for your live events Tired of expensive and ancient online ticketing platforms? Are you interested in selling tickets to your events on a platform you already use and trust? With Event Ticketing, you can be selling professional, branded digital tickets in minutes - no coding required. Track sales, export attendees, and scan tickets with our included app for iOS. Summer '24 Update: Brand new native (fast) POS Scanning App, and Thank you / Order status plugins to support Checkout Extensibility! Tired of expensive and ancient online ticketing platforms? Are you interested in selling tickets to your events on a platform you already use and trust? With Event Ticketing, you can be selling professional, branded digital tickets in minutes - no coding required. Track sales, export attendees, and scan tickets with our included app for iOS. Summer '24 Update: Brand new native (fast) POS Scanning App, and Thank you / Order status plugins to support Checkout Extensibility! more Design your own PDF and Apple wallet tickets, emailed directly to your customers Sell tickets on your store, works out of the box with all themes Fast, reliable ticket scanning using your phone's camera -or rent laser scanners Event calendar and ticketing page theme plugins Collect custom attendee information

4.7(Reviews)

Incentivise customers to buy more with ⎯ free gift with purchase, free shipping, BOGO & Buy X get Y! Boost AOV with free gift with purchase, order discount or free shipping which are stackable and easily communicated to your customers with our beautiful template. You can set conditions based on cart criteria such as 'Cart value, Cart has products, Cart has X quantity'. You can reward your customers with: 'Free shipping, Order discount, Free gift'. All of the goals are configurable and localised - design, translations, currency, countdown timer. You can even hide goals from specific countries. Boost AOV with free gift with purchase, order discount or free shipping which are stackable and easily communicated to your customers with our beautiful template. You can set conditions based on cart criteria such as 'Cart value, Cart has products, Cart has X quantity'. You can reward your customers with: 'Free shipping, Order discount, Free gift'. All of the goals are configurable and localised - design, translations, currency, countdown timer. You can even hide goals from specific countries. more Configure rules such as ⇝ cart value, cart quantity, cart has XYZ products. Configure stackable rewards such as ⇝ free gift, free shipping, order discount. Set as much as rules and rewards you want, you can stack both rules and rewards. Multi design templates fully localized ⇝ translations & currency conversion. Use it both as a top bar on your shop + a widget which you can place anywhere.

5.0(Reviews)

Plant trees, remove ocean bound plastic, and engage your customers with storytelling badges. GoodAPI is your sustainability app. Merchants trust GoodAPI to easily plant trees, remove ocean bound plastic and meaningfully engage customers leading to increased customer loyalty with eco-conscious customers. Donations are made to global non-profits who provide high-quality, and verified impact focusing on ocean impact via plastic removal and carbon removal via reforestation. Embed sustainability in your retention marketing and build loyalty, trust and a beautiful planet. GoodAPI is your sustainability app. Merchants trust GoodAPI to easily plant trees, remove ocean bound plastic and meaningfully engage customers leading to increased customer loyalty with eco-conscious customers. Donations are made to global non-profits who provide high-quality, and verified impact focusing on ocean impact via plastic removal and carbon removal via reforestation. Embed sustainability in your retention marketing and build loyalty, trust and a beautiful planet. more Automate tree planting, plastic removal and focus on your business Market impact on Home, Product, Cart, Thank You, Order, Checkout & Customer page Multi-currency and multi-language support for all the marketing badges Premium library of photos and videos to market your impact Dedicated support team to help you get set up!

4.9(Reviews)

Make free shipping irresistible! Motivate customers to spend more with a real-time progress bar. Imagine turning hesitant browsers into buyers—effortlessly. With GP Free Shipping Bar, you can display real-time cart progress that nudges customers to spend more and unlock free shipping. Fully customizable and mobile-friendly, this app targets specific pages, devices, and regions, delivering personalized shopping experiences. Whether you’re a small startup or a scaling store, this “set-it-and-forget-it” tool drives conversions and maximizes revenue. Don’t leave money in the cart—start today! Imagine turning hesitant browsers into buyers—effortlessly. With GP Free Shipping Bar, you can display real-time cart progress that nudges customers to spend more and unlock free shipping. Fully customizable and mobile-friendly, this app targets specific pages, devices, and regions, delivering personalized shopping experiences. Whether you’re a small startup or a scaling store, this “set-it-and-forget-it” tool drives conversions and maximizes revenue. Don’t leave money in the cart—start today! more Dynamic Progress Bar Track real-time cart value with automatic progress updates Extensive Customization Options Easily adjust colors, fonts, and banner position Geographic and Device Targeting Apply country-specific shipping rules and target Targeted Page Display Show the free shipping bar only on specific pages to enhan Language Localization Offer your free shipping bar in multiple languages.

4.9(Reviews)

Product Grouping For Advanced Variant Swatches If you’re managing multiple color variants as separate products, this app is for you. Group products and display them as swatches on your product and collection pages. This grouping structure creates separate, indexed product listings, which enhances your store's search visibility. Select the perfect display using Color, Button, or Image swatches. Quickly configure color options with smart auto-detection, and control the swatch appearance using the native customizer - no coding required. If you’re managing multiple color variants as separate products, this app is for you. Group products and display them as swatches on your product and collection pages. This grouping structure creates separate, indexed product listings, which enhances your store's search visibility. Select the perfect display using Color, Button, or Image swatches. Quickly configure color options with smart auto-detection, and control the swatch appearance using the native customizer - no coding required. more Increase Conversions and AOV Maintain Site Health and Performance Reduce Operational Setup Time Design Control without Coding

5.0(Reviews)

Organize similar products in ‘groups’ and display them like variants on your product pages. Do you need dedicated product pages for your variants? Want your customers to switch between them easily? groupmate can help with that. We simplify the management of your product groups and seamlessly integrate them into your theme. Without affecting your page speed. Bonus: groupmate comes with an additional 'barebone' version, so that your dev team can truly customize the swatches to your needs and style guide, or build new functionalities on top of it. Do you need dedicated product pages for your variants? Want your customers to switch between them easily? groupmate can help with that. We simplify the management of your product groups and seamlessly integrate them into your theme. Without affecting your page speed. Bonus: groupmate comes with an additional 'barebone' version, so that your dev team can truly customize the swatches to your needs and style guide, or build new functionalities on top of it. more Like the "Shopify Combined Listings" App, already available for everyone Comes with different swatch styles (color, button and image) Simple, non-intrusive integration in your Online Store 2.0 theme Doesn't affect your page speed

5.0(Reviews)

Improve customer experience with live search results and personalized product recommendations. GS-Search & Sales Booster enables merchants to enhance the search experience with fully customizable options. Easily modify the search button’s color, size, and position to match your store’s design. Personalize the popup window layout to display search results in an organized and visually appealing way. Customers can type their queries into the customized search button, and real-time search results are displayed dynamically in the popup, improving navigation and boosting engagement. GS-Search & Sales Booster enables merchants to enhance the search experience with fully customizable options. Easily modify the search button’s color, size, and position to match your store’s design. Personalize the popup window layout to display search results in an organized and visually appealing way. Customers can type their queries into the customized search button, and real-time search results are displayed dynamically in the popup, improving navigation and boosting engagement. more Customizable Search Button: Modify button color, size, and position easily. Popup Window Settings: Personalize search result popups with layout options. Dynamic Search Results: Get real-time results in the popup based on user input.

0.0(Reviews)

Send a birthday email with a discount to build loyalty and repeat purchases Happy Birthday Email lets you celebrate every customer’s birthday with a personalised email and birthday discount. Collect birth dates online or in-store, then send automated birthday emails that drive sales and boost loyalty. Use it as a simple birthday loyalty program or connect it with your email platform. You’ll build stronger relationships and gain insight into customer age and anniversaries too. Happy Birthday Email lets you celebrate every customer’s birthday with a personalised email and birthday discount. Collect birth dates online or in-store, then send automated birthday emails that drive sales and boost loyalty. Use it as a simple birthday loyalty program or connect it with your email platform. You’ll build stronger relationships and gain insight into customer age and anniversaries too. more Send birthday emails with personalised messages and discounts Run a birthday loyalty campaign with zero ongoing effort Collect birthdays and age data at checkout, POS, or landing pages Works with your email platform or sends happy birthday emails for you Populates Shopify’s customer birthday metafield

5.0(Reviews)

All in one top bar. Free shipping progress, auto discount, email, countdown, multiple banners. NEW: show free shipping progress in a pop up thermometer! No need to install multiple apps for Free Shipping Bar, Automatic Discount, Coupon, Email, Announcements, or Countdown. Headband includes all these banners in one app, so you can manage all your banners in one place, and have them work seamlessly together. Use multiple banners, stacked or in a slider. Easily customize your banners to match your store's appearance. No changes are made to your theme. No coding is needed. NEW: show free shipping progress in a pop up thermometer! No need to install multiple apps for Free Shipping Bar, Automatic Discount, Coupon, Email, Announcements, or Countdown. Headband includes all these banners in one app, so you can manage all your banners in one place, and have them work seamlessly together. Use multiple banners, stacked or in a slider. Easily customize your banners to match your store's appearance. No changes are made to your theme. No coding is needed. more Free shipping progress bar or thermometer shoppers spend more & convert sooner. Countdown, discount banner, email popup, and linkable announcement for any need. No code necessary. Easily customized look and feel to match your store.

5.0(Reviews)

Create customer sign-up forms as unique as your business, and save custom data to customer accounts. Helium Customer Fields is your one-stop shop to collect and manage customer information. Create unique registration forms for different customer groups, and collect first-party data from customers such as birthday, pet's name, VAT/Tax ID, etc. All customer data is synced with Shopify fields and/or customer metafields. Personalize forms with rules and variables, or tag customers automatically based on form input. Use our integrations to sync customer data with your business/marketing tools. Helium Customer Fields is your one-stop shop to collect and manage customer information. Create unique registration forms for different customer groups, and collect first-party data from customers such as birthday, pet's name, VAT/Tax ID, etc. All customer data is synced with Shopify fields and/or customer metafields. Personalize forms with rules and variables, or tag customers automatically based on form input. Use our integrations to sync customer data with your business/marketing tools. more Simple drag-and-drop form builder with field types for nearly any use case Approve Wholesale/B2B customers with account approval or email verification Allow customers to edit their own data (name, email, or custom fields) Configure automatic and/or conditional customer tags to organize customer groups Developer-friendly! Front-end and back-end APIs are available for custom builds

4.8(Reviews)

Welcome your customers & Boost your sales Welcome your customers on your store and show them announcements, offers, deals and increase your sales. The Hello Announcements App is easy to use and doesn't require any form of coding skills. The app automatically gets installed on your store and if you ever decide to uninstall it, no residue code will be left. The app allows you to easily announce sales, deals and even discount codes. With it many options, you can fully customize the bars including colors, text and even integrate links. Welcome your customers on your store and show them announcements, offers, deals and increase your sales. The Hello Announcements App is easy to use and doesn't require any form of coding skills. The app automatically gets installed on your store and if you ever decide to uninstall it, no residue code will be left. The app allows you to easily announce sales, deals and even discount codes. With it many options, you can fully customize the bars including colors, text and even integrate links. more Welcome your customers and Give them offers = More sales! Customize the announcement bar colors, button label and target countries. Easy to use but has powerful options.

5.0(Reviews)

Pop Ups Elevated: beautifully designed popups for abandoned carts, email capture, upsells, etc... Turn visitors into customers. Easy to use pop ups created by famed internet marketer NEIL PATEL over a decade ago. Beautiful templates and an easy to use builder makes it a breeze to create beautiful and engaging popups without a designer. Get access to over 300 templates designed to help capture email addresses, recover abandoned carts, get customer feedback, upsell customers, make announcements and so much more. We're on a mission to help great stores grow through better pop ups. Turn visitors into customers. Easy to use pop ups created by famed internet marketer NEIL PATEL over a decade ago. Beautiful templates and an easy to use builder makes it a breeze to create beautiful and engaging popups without a designer. Get access to over 300 templates designed to help capture email addresses, recover abandoned carts, get customer feedback, upsell customers, make announcements and so much more. We're on a mission to help great stores grow through better pop ups. more Can be used to capture email addresses & recover abandoned carts. Helps to announce sales and drive traffic to specific product pages. Can be targeted based on pages, geo, site location and user behavior. Includes 100s of templates to make it easy to design stunning pop ups and bars. Direct integrations w/ e-mail providers including Klaviyo, Mailchimp, & more

0.0(Reviews)

Easily create FAQ page for your store or product FAQs to reduce your customer service time. Easy FAQ revolutionizes your store's FAQs! Designed with users in mind, it effortlessly crafts stylish product FAQs and seamlessly integrates with your theme for maximum impact! Elevate your brand with full customization—tweak fonts, colors, and styles to match your unique flair. Plus, experience lightning-fast page loads, ensuring your customers get the answers they need in a blink. Reduce customer support requests with questions and answers! App also easily integrated with Shop app! Easy FAQ revolutionizes your store's FAQs! Designed with users in mind, it effortlessly crafts stylish product FAQs and seamlessly integrates with your theme for maximum impact! Elevate your brand with full customization—tweak fonts, colors, and styles to match your unique flair. Plus, experience lightning-fast page loads, ensuring your customers get the answers they need in a blink. Reduce customer support requests with questions and answers! App also easily integrated with Shop app! more Fully customizable FAQ themes to match with your store brand & style. Allows creation of store FAQs & product FAQs in simplistic & seamless way. Default support for Google rich SEO snippets for your dedicated FAQ page. You can add photos/videos to your FAQs Supports multiple languages that your store supports!

5.0(Reviews)

Add urgency and fear-of-missing-out effects to your sales, and increase conversion and sales Countdown Timer Bar can help you add a sense of urgency in your sales events, make your customers feel they must act now to avoid missing out on something important, and drive more sales. The App supports various types of timers, such as one-time, auto-recurring, daily & weekly timer. You can use them for different sales events. It also offers targeting options including geo location, customer, page, etc. You can have targeted events for different countries, customers, and optimize the sales. Countdown Timer Bar can help you add a sense of urgency in your sales events, make your customers feel they must act now to avoid missing out on something important, and drive more sales. The App supports various types of timers, such as one-time, auto-recurring, daily & weekly timer. You can use them for different sales events. It also offers targeting options including geo location, customer, page, etc. You can have targeted events for different countries, customers, and optimize the sales. more One-time, auto-recurring, daily & weekly timers can fit different types of sales Advanced targeting: location, Shopify markets, customer, page, product, device Scheduling, you can plan sales events in advance for events like Black Friday Fully customizable with various rotation & animation, background images & styles Supports all pages, 1-click to enable, no coding required

4.9(Reviews)

Promote free shipping with progressive messages to motivate customers to buy more & boost sales Free Shipping Bar displays progressive messages when customers put more items in their shopping carts, and lets them know how much more to buy in order to get your free shipping. This increases average order value and boosts sales. The bar is fully customizable with advanced targeting options including geo location, Shopify markets, customer, page, product, etc. You can have multiple free shipping offers for different countries, customers, and optimize the sales. Free Shipping Bar displays progressive messages when customers put more items in their shopping carts, and lets them know how much more to buy in order to get your free shipping. This increases average order value and boosts sales. The bar is fully customizable with advanced targeting options including geo location, Shopify markets, customer, page, product, etc. You can have multiple free shipping offers for different countries, customers, and optimize the sales. more Display messages with progressive shipping goals, and boost sales Advanced targeting: location, Shopify markets, customer, page, product, device Scheduling, you can plan free shipping in advance for events like Black Friday Fully customizable & supports all pages, 1-click to enable, no coding required Auto-detect visitors' local currencies and convert the free shipping amount

4.9(Reviews)

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About Custom CSS Apps for Shopify

Custom CSS apps are essential tools for Shopify merchants looking to enhance their store's functionality and improve customer experience. These specialized applications help store owners streamline operations, increase sales, and provide better service to their customers.

When choosing a custom css app for your Shopify store, consider factors such as features, pricing, customer support, and compatibility with your theme and other apps. Reading reviews from other merchants can also provide valuable insights into the app's performance and reliability.

The apps listed on this page represent some of the best custom css solutions available in the Shopify App Store. Each has been selected based on its functionality, user ratings, and overall value for Shopify merchants.