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
Custom CSS Shopify Apps
Discover the best Custom CSS apps for your Shopify store in 2026. Compare features, pricing, and reviews to find the perfect solution.
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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.
Customize product options with product customizer, variants, swatches & infinite product options Our Custom Product Options app lets you customize products with infinite product options, variants options, and custom product options. Use the product customizer to create variants, options, and swatches. Customers can upload files or images to personalize products, apply bulk option sets, and manage import/export. Boost sales with full product customization, variants, and infinite options through an easy-to-use product customizer with live preview. Our Custom Product Options app lets you customize products with infinite product options, variants options, and custom product options. Use the product customizer to create variants, options, and swatches. Customers can upload files or images to personalize products, apply bulk option sets, and manage import/export. Boost sales with full product customization, variants, and infinite options through an easy-to-use product customizer with live preview. more Allow customers to personalize their products with a variety of options. Compatible with Shopify "Buy Now" and Shop Pay express checkout buttons. Enable your customers to upload an image of how the custom product should look. Bulk apply custom options to thousands of products at a time. Provide photos or color swatches to shoppers during their product selection.
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
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.
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
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.
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
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!
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
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
Promote sales on a fully customizable banner, increase customer awareness and boost sales Always keeping your customers in the loop about your business updates, promotions, and events is a key element of managing customer relationships. Quick Announcement Bar makes this easier and quicker. You can add a fully customizable banner on your website with a few clicks, inform your customers. You can have multiple bars shown in rotation or with various animations. You can offer different sales on different bars for different geo locations, customers, pages, etc, and optimize the return. Always keeping your customers in the loop about your business updates, promotions, and events is a key element of managing customer relationships. Quick Announcement Bar makes this easier and quicker. You can add a fully customizable banner on your website with a few clicks, inform your customers. You can have multiple bars shown in rotation or with various animations. You can offer different sales on different bars for different geo locations, customers, pages, etc, and optimize the return. more Present your sales events with a customized bar, increase awareness and sales Advanced targeting geo location, customer, page, product, device targeting Scheduling, you can plan sales 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
Quick access to product preview in one click without reloading the whole site. Quick View app gives your shoppers quick access to product preview in one click without reloading the whole site. The app will not only reduce shopping time but also bring a convenient experience to shoppers. Your shoppers can view product details quickly without leaving the catalog navigation. This makes browsing products easier and faster, which helps increase conversion rates. Products may be added to the cart from the Product Quick View pop-up. Quick View app gives your shoppers quick access to product preview in one click without reloading the whole site. The app will not only reduce shopping time but also bring a convenient experience to shoppers. Your shoppers can view product details quickly without leaving the catalog navigation. This makes browsing products easier and faster, which helps increase conversion rates. Products may be added to the cart from the Product Quick View pop-up. more Reduce shopping time, and improve customer experience. Increase your sales. Let customers view the product information, add it to cart in a popup Add to wishlist, compare products
Boost your conversions with slide cart upsells, free gifts & custom brand design support! Increase your store’s average order value with progress bars, cart upsells, free gifts, BOGO (Buy X Get Y) offers, frequently bought together bundles, discounts, and promotions. The sticky cart drawer looks great on any theme and helps reduce cart abandonment by keeping the cart accessible anywhere on your site. Unlock 10+ powerful features and transform your cart into a revenue-driving machine — fully designed for your brand. Increase your store’s average order value with progress bars, cart upsells, free gifts, BOGO (Buy X Get Y) offers, frequently bought together bundles, discounts, and promotions. The sticky cart drawer looks great on any theme and helps reduce cart abandonment by keeping the cart accessible anywhere on your site. Unlock 10+ powerful features and transform your cart into a revenue-driving machine — fully designed for your brand. more Cart Upsell & Cross-Sell: Suggest complementary products right in the cart Rewards Progress Bar: Motivate customers to spend more with reward goals Free Gifts: Automatically offer gifts based on products, MOQ, or cart value Discount Bar: Let shoppers apply and stack discount codes in the cart drawer Sticky Cart Drawer: A floating cart that stays visible and accessible storewide
Generate menu items and smart managed by drag & drop. Mega Menu Creator Pro is a responsive, highly customizable, drag and drop menu builder app for Shopify. Its user friendly experience allows creators of all skill levels to design highly navigable mega menus for their Shopify website. Mega Menu Creator Pro is a responsive, highly customizable, drag and drop menu builder app for Shopify. Its user friendly experience allows creators of all skill levels to design highly navigable mega menus for their Shopify website. more Smart menu creator with drag & drop menu builder, no reloads the page. Add any HTML, shortcode, maps, contact forms or widget you like the menu & more. Responsive and touch-enabled for an enhanced mobile/tablet experience. Flexible for custom menu layout and re-order items position instantly. Caching optimized for fastest loading and SEO results.
Build unlimited forms with custom fields easily for contact forms or surveys using Form Builder. Form Builder lets you create unlimited custom forms, including registration forms, contact forms, survey forms, wholesale order forms, multi-step forms, and Typeform-style forms for your Shopify store. With drag-and-drop design, Google reCaptcha, advanced conditional logic, and custom fields, building forms is easier than ever. Fully mobile-responsive, supports file uploads, and works with all Shopify themes. Track UTMs and customize every detail to match your brand. Form Builder lets you create unlimited custom forms, including registration forms, contact forms, survey forms, wholesale order forms, multi-step forms, and Typeform-style forms for your Shopify store. With drag-and-drop design, Google reCaptcha, advanced conditional logic, and custom fields, building forms is easier than ever. Fully mobile-responsive, supports file uploads, and works with all Shopify themes. Track UTMs and customize every detail to match your brand. more Create custom registration forms, contact forms, survey & more with file uploads Design your forms by using advanced conditional and dynamic field logic Personalized forms are designed to fit the aesthetic of your shop We provide immense storage amounts, allowing you to upload more files Use Form Builder to connect your custom email domains to other apps seamlessly
Post Purchase Survey app is the perfect tool for gathering post purchase feedback from customers. With this app, you can easily create custom surveys, including checkout surveys, product surveys, and exit surveys, to measure your net promoter score and gain insights into your customers' experiences. This post purchase survey app is designed to help you improve customer satisfaction and loyalty by providing you with the data you need to make informed decisions. Try the HulkApps NPS Post Purchase Survey app today and start collecting valuable customer feedback! With this app, you can easily create custom surveys, including checkout surveys, product surveys, and exit surveys, to measure your net promoter score and gain insights into your customers' experiences. This post purchase survey app is designed to help you improve customer satisfaction and loyalty by providing you with the data you need to make informed decisions. Try the HulkApps NPS Post Purchase Survey app today and start collecting valuable customer feedback! more One-click install the Post Purchase Survey app and track customer feedback. Gather valuable insights in under 30 seconds and warrant customer satisfaction. Embed post purchase survey into the Thank You page and boost response rates. Leverage our analytics dashboard to promptly act on your post purchase feedback. Create dynamic post-purchase surveys with the Conditional Logic feature.
Sticky Add to Cart makes it easier for shoppers to find what they need and buy it quickly Sticky add to cart bar appears after scrolling the product page to attract customers. Customers can quickly add items to their cart using sticky add to cart bar. You can also add multiple notification bars to display discounts or free shipping messages to motivate customers to buy products. Sticky add to cart bar appears after scrolling the product page to attract customers. Customers can quickly add items to their cart using sticky add to cart bar. You can also add multiple notification bars to display discounts or free shipping messages to motivate customers to buy products. more Set bar size medium, small & extra small & Different button design & animation Sticky Add To Cart Bar can set in two positions top & bottom You can Fully Customization of Sticky Add to Cart bar with different settings Hide title, variant & whole bar on mobile and combine variants on mobile
Add a customizable side cart drawer & boost AOV with cart discount, AI cart upsells & progress bar iCart Cart Drawer Cart Upsell is a full-featured upselling and cross-selling app to boost sales before checkout. Create a stunning sticky cart, cart popup or cart page with an easy-to-use no-code cart editor. Boost AOV with AI-powered product upsells, cross-sells, product bundles, progress bar/shipping bar, order delivery date & time picker & more. Recover lost sales by giving your customers special discounts & free gifts. So why wait? Create irresistible deals & reduce cart abandonment now! iCart Cart Drawer Cart Upsell is a full-featured upselling and cross-selling app to boost sales before checkout. Create a stunning sticky cart, cart popup or cart page with an easy-to-use no-code cart editor. Boost AOV with AI-powered product upsells, cross-sells, product bundles, progress bar/shipping bar, order delivery date & time picker & more. Recover lost sales by giving your customers special discounts & free gifts. So why wait? Create irresistible deals & reduce cart abandonment now! more Increase your AOV by giving cart upsell & cross sell offers in side cart drawer Motivate customers to buy more save more with free shipping bar/progress bar Fully customizable cart drawer, popup & full cart compatible with all themes Show urgency in product upsell offers by showing a cart timer/countdown timer Make more revenue by giving cart discounts like volume discounts, BOGO & more
Increase AOV w/Targeted Upsell & Cross Sell Offers. Product Page, In Cart, Pop-ups, & Post Purchase! Boost order values with In Cart Upsell & Cross-Sell app & create customized cart & post purchase upsell & cross-sell offers. Personalize shoppers experience w/ conditional logic & triggers. Perfect your upsell strategy with A/B testing on product upsell & cross-sell offers. Analyze effectiveness with an intuitive upselling dashboard. Post Purchase upselling & cross selling is easy with an in cart upsell cart app with 3 minute setup. This robust upsells app maximizes upselling and cross-selling. Boost order values with In Cart Upsell & Cross-Sell app & create customized cart & post purchase upsell & cross-sell offers. Personalize shoppers experience w/ conditional logic & triggers. Perfect your upsell strategy with A/B testing on product upsell & cross-sell offers. Analyze effectiveness with an intuitive upselling dashboard. Post Purchase upselling & cross selling is easy with an in cart upsell cart app with 3 minute setup. This robust upsells app maximizes upselling and cross-selling. more Maximize AOV with upsells on cart page/drawer, product pages & post purchase Set triggers & rules for efficiently targeted cart upsell & cross-sell offers Drive extra revenue with our robust pre and post-purchase upsell capability Fine-tune upsell cart strategies with a smart, easy to read analytics dashboard AI-autopilot feature to power the perfect automatic upselling and cross-selling
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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.