Create step-by-step product flows. Help customers choose add-ons and customize products. Use MultiStep to create guided shopping flows, letting customers make one choice at a time — for example: color, size, material — while suggesting optional add-ons along the way. Break a single product’s options into steps, or guide customers through multiple products in featured assortments. Collect custom inputs and set logic rules to control what appears at each stage. Show in your store as a pop-up, embedded section, or product page add-on. Use MultiStep to create guided shopping flows, letting customers make one choice at a time — for example: color, size, material — while suggesting optional add-ons along the way. Break a single product’s options into steps, or guide customers through multiple products in featured assortments. Collect custom inputs and set logic rules to control what appears at each stage. Show in your store as a pop-up, embedded section, or product page add-on. more Simplify product options into guided choices Step through multiple products in kits and assortments Suggest relevant add-ons at the right moment Collect custom inputs like text, uploads, and toggles Control products that show with flexible logic rules
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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Set Cart Goals with a Free Shipping Progress Bar, Cart Upsell Products, Get Higher AOV and Sales. Increase your average order value with the MVR Free Shipping Bar! Set a goal and show the progress bar to your customers! Offer Free Shipping, Discount, or a Gift once they reach the goal. Customers love the feeling of completion and the MVR free shipping bar does just that! It boosts your sales just by adding it to your product or cart page. Choose any of the high-converting designs or create your own! It’s so easy to set up! Don’t wait, install now! Increase your average order value with the MVR Free Shipping Bar! Set a goal and show the progress bar to your customers! Offer Free Shipping, Discount, or a Gift once they reach the goal. Customers love the feeling of completion and the MVR free shipping bar does just that! It boosts your sales just by adding it to your product or cart page. Choose any of the high-converting designs or create your own! It’s so easy to set up! Don’t wait, install now! more Set progress bar on product or cart page Multi-currency and goal customization Upsell products and unlimited views Full progress bar design customisation to fit your brand Developer support
Create app-like mobile navigation and flexible mega menus to help shoppers find products faster. Navi+ helps you create app-like mobile navigation and flexible desktop menus without coding. Build sticky bottom tab bars, mega menus, mobile drawer menus, icon menus, and floating buttons with drag-and-drop editing. Customize layouts, icons, images, colors, and menu items to match your brand. Connect with existing Shopify menus, use ready-made templates, and generate navigation faster with AI. Help shoppers reach products, collections, and key pages in fewer taps across mobile and desktop. Navi+ helps you create app-like mobile navigation and flexible desktop menus without coding. Build sticky bottom tab bars, mega menus, mobile drawer menus, icon menus, and floating buttons with drag-and-drop editing. Customize layouts, icons, images, colors, and menu items to match your brand. Connect with existing Shopify menus, use ready-made templates, and generate navigation faster with AI. Help shoppers reach products, collections, and key pages in fewer taps across mobile and desktop. more Add sticky bottom tab bars with icons and labels for app-like mobile navigation Build mega menus with products, collections, images, icons, and flexible layouts Create mobile menus, drawer menus, and hamburger menus for easier store browsing Add icon menus and floating buttons linking to products, collections, and pages Generate menus with AI, templates, drag-and-drop editing, and no coding required
Add different nav menus to different pages or based on customer tag. Hide menu on designated pages. Hide or add different navigation menus based on customer tag, login status, or page. Show a unique header menu to VIP customers, wholesale buyers, or first-time visitors — or hide the menu completely on landing pages for a distraction-free layout. No custom coding needed. Set your rules once and Navvy handles the rest. Hide or add different navigation menus based on customer tag, login status, or page. Show a unique header menu to VIP customers, wholesale buyers, or first-time visitors — or hide the menu completely on landing pages for a distraction-free layout. No custom coding needed. Set your rules once and Navvy handles the rest. more Add different header navigation menus to different pages Show different header menus to different customers based on customer tag Simplify navigation & increase loyalty Remove or hide header navigation menu from any page
Create forms with our form builder, enhancing your website's functionality and user experience! E-commerce merchants understand that information is power, and our form builder gives you exactly that. It offers an easy way to create engaging, customizable forms for your customers. This could be anything from detailed customer surveys to simple contact forms. The data you collect helps you make informed business decisions and tailors your offerings to suit your customer's needs. Optimize your business operations, improve user interaction, and make data-driven decisions with Nerdy Form! E-commerce merchants understand that information is power, and our form builder gives you exactly that. It offers an easy way to create engaging, customizable forms for your customers. This could be anything from detailed customer surveys to simple contact forms. The data you collect helps you make informed business decisions and tailors your offerings to suit your customer's needs. Optimize your business operations, improve user interaction, and make data-driven decisions with Nerdy Form! more Customize email notifications and auto responder email when a form is submitted. Easy to create multistep forms. Forms in pop-up and forms with conditional logic Upload files and attach them to notification email. A great variety of fields: datepicker, range slider, image select and more Numerous styling customizations to exactly match your shop's aesthetic.
Build branded email sign-up forms and grow your audience effortlessly with GetResponse Forms GetResponse Forms is an ideal solution for merchants aiming to grow their email list and enhance customer engagement with targeted email campaigns. This app effortlessly integrates with GetResponse, streamlining lead collection so you can easily manage subscribers and run impactful marketing campaigns. With fully customizable, mobile-friendly forms and advanced targeting features, it enables you to connect with the right customers at the right moment, boosting conversions and increasing sales. GetResponse Forms is an ideal solution for merchants aiming to grow their email list and enhance customer engagement with targeted email campaigns. This app effortlessly integrates with GetResponse, streamlining lead collection so you can easily manage subscribers and run impactful marketing campaigns. With fully customizable, mobile-friendly forms and advanced targeting features, it enables you to connect with the right customers at the right moment, boosting conversions and increasing sales. more Create personalized forms and pop-ups that match your store’s design. Start growing your email list in minutes with an intuitive setup process. Automatically connect and sync email subscribers with your GetResponse account. Ensure your forms are optimized for all devices.
A fully customizable and translatable cookie bar that ensures GDPR/CCPA compliance Ninja Cookie Bar GDPR offers a one-click solution for GDPR/CCPA (and more) cookie compliance. With Ninja Cookie Bar, you can display a professional cookie consent banner that appears for every new visitor and stays visible until they provide informed consent. Customize the banner to match your branding strategy and ensure compliance effortlessly. Ninja Cookie Bar GDPR offers a one-click solution for GDPR/CCPA (and more) cookie compliance. With Ninja Cookie Bar, you can display a professional cookie consent banner that appears for every new visitor and stays visible until they provide informed consent. Customize the banner to match your branding strategy and ensure compliance effortlessly. more One-click GDPR/CCPA cookie bar setup with user preferences and rejection options Include links from the banner to the full cookie policy and terms & conditions Fully customize the cookie bar's translations, colors, preferences, and blocks.
Turn lifestyle photos into shoppable lookbooks. Pin products so shoppers can buy the whole look. Nitro Lookbook turns your lifestyle and campaign photos into shoppable lookbooks and image galleries. Upload images from your files, products, collections or Instagram, then pin hotspots for products, images, text or links. Shoppers tap a pin to see the item and go to the product page. Pick a grid, list, masonry, slider or carousel layout, and set global presets for hotspots, tooltips and buttons so every lookbook matches your brand. Add lookbooks to any page with an app block. Nitro Lookbook turns your lifestyle and campaign photos into shoppable lookbooks and image galleries. Upload images from your files, products, collections or Instagram, then pin hotspots for products, images, text or links. Shoppers tap a pin to see the item and go to the product page. Pick a grid, list, masonry, slider or carousel layout, and set global presets for hotspots, tooltips and buttons so every lookbook matches your brand. Add lookbooks to any page with an app block. more Pin products, images, text and links on any photo with hotspots Bulk-upload photos from your files, products, collections or Instagram Global presets for hotspots, tooltips and buttons keep your brand consistent Add shop the look galleries to home, product, collection or any page Mobile-responsive lookbooks that work with any theme and EComposer
Boost average order value with upsell, cross-sell, and bundles. Works in your current theme. Nitro helps merchants increase average order value with upsell and cross-sell offers that work inside your existing theme. Add cart upsells with product recommendations on the cart page before checkout. Create product bundles, Buy X Get Y promotions, and quantity-based volume discounts to encourage larger orders. Build trust and urgency with sales notifications and trust badges. Set your own rules for each feature and turn on only what your store needs. Nitro helps merchants increase average order value with upsell and cross-sell offers that work inside your existing theme. Add cart upsells with product recommendations on the cart page before checkout. Create product bundles, Buy X Get Y promotions, and quantity-based volume discounts to encourage larger orders. Build trust and urgency with sales notifications and trust badges. Set your own rules for each feature and turn on only what your store needs. more Cart upsell offers shown on the cart page before checkout. Product bundles and cross-sell recommendations to grow order value. Buy X Get Y and quantity-based volume discounts to reward bigger orders. Sales notifications and trust badges to build shopper confidence. Track offers, orders, and revenue from a built-in dashboard.
Intelligent Commerce Experience Platform helping brands increase online engagement and revenue We help online brands transform the commerce experience by enriching and connecting customer, product, and content data so they can deliver personalized experiences at scale. This is done through our AI-powered Commerce Experience Platform made up of intuitively designed tools that increase online revenue through end-to-end commerce experience management. Nosto makes every online commerce experience authentic and relevant so consumers have loveable experiences with their favorite brands. We help online brands transform the commerce experience by enriching and connecting customer, product, and content data so they can deliver personalized experiences at scale. This is done through our AI-powered Commerce Experience Platform made up of intuitively designed tools that increase online revenue through end-to-end commerce experience management. Nosto makes every online commerce experience authentic and relevant so consumers have loveable experiences with their favorite brands. more Site Search. Powerful, personalized, AI search to boost product discovery Personalization. Make the experience unique for every single shopper every time Merchandising. Total control over product rankings within all discovery pillars Content. Personalized content and authentic UGC to increase conversions Business Intelligence. Dive deep on the things that make your shoppers tick
Create announcement, countdown, marquee, and free shipping bars. Create bars for promotions, shipping messages, discounts, and store updates. Build announcement bars, countdown timers, tickers, coupon bars, scrolling logos, image carousels, and free shipping bars, marquee, then customize their content, design, timing, and display rules for different parts of your store. Create bars for promotions, shipping messages, discounts, and store updates. Build announcement bars, countdown timers, tickers, coupon bars, scrolling logos, image carousels, and free shipping bars, marquee, then customize their content, design, timing, and display rules for different parts of your store. more Create announcement, countdown, ticker, coupon, logo, and free shipping bars Set display rules for specific pages, products, or campaigns Schedule bars for promotions, launches, and seasonal offers Customize text, layout, and styling to match your store design Show shipping messages, discounts, announcements, and other store updates
Engage with customers everywhere: Facebook Messenger, Telegram, & 20+ chat channels & Contact Form. With one-click integration with Omega: Facebook Messenger Chat & Contact Form, you can keep conversions persistent across your Shopify stores through Facebook chat, chat popup, and 20+ platforms like SMS, Email, Viber, Phone, WeChat, Skype, Line, TikTok, Telegram, Facebook and Instagram, etc. Omega Facebook Messenger Chat help increase sales conversions, generate leads, and improve customer support with one live chat button With one-click integration with Omega: Facebook Messenger Chat & Contact Form, you can keep conversions persistent across your Shopify stores through Facebook chat, chat popup, and 20+ platforms like SMS, Email, Viber, Phone, WeChat, Skype, Line, TikTok, Telegram, Facebook and Instagram, etc. Omega Facebook Messenger Chat help increase sales conversions, generate leads, and improve customer support with one live chat button more Build your customer support with Messenger chat, Teleram, and Instagram,... All-in-one chat button lets customers chat with you via their preferred chat app Customize chat widget's style, device & page target, and preset welcome messages Analyze the effectiveness of chat channels: Messenger & contact form Messenger welcome message box helps increase customer engagement
Easy set up WhatsApp, Instagram, other social media, chat, and your favorite images in your shop! This app easily adds a WhatsApp button to your shop. In addition to WhatsApp, it comes with preset icons for social media platforms like Instagram, TikTok, X, Messenger, Telegram, and LINE. You can also upload your favorite images, allowing you to set buttons for phone, email, chat, concierge, and more. You can freely set the destination link for the buttons as well. How you use it is up to you! This app easily adds a WhatsApp button to your shop. In addition to WhatsApp, it comes with preset icons for social media platforms like Instagram, TikTok, X, Messenger, Telegram, and LINE. You can also upload your favorite images, allowing you to set buttons for phone, email, chat, concierge, and more. You can freely set the destination link for the buttons as well. How you use it is up to you! more You can easily install a WhatsApp button in your shop. You can also install SNS buttons other than WhatsApp. You can upload your favorite image and set a link. You can freely set the installation location. Select which markets to display when multiple markets are available.
Turn visitors into customers. AI chatbot, search chat bot agent answers questions. Increases AOV. Ochatbot increases sales and reduces support tickets. Simple setup deploys a fully trained AI agent in minutes. Multi-display AI chatbot presents an intelligent search field and AI chat bot icon increasing site engagement. Powered by advanced Ometrics AI, ChatGPT, & Claude, Ochatbot offers customer service , shopping assistance, product recommendations, abandoned cart recovery, add-to-cart, free shipping alerts and more compared to Tidio, Chatty, Rep AI, SmartBot, Moose, ZipChat and others. Ochatbot increases sales and reduces support tickets. Simple setup deploys a fully trained AI agent in minutes. Multi-display AI chatbot presents an intelligent search field and AI chat bot icon increasing site engagement. Powered by advanced Ometrics AI, ChatGPT, & Claude, Ochatbot offers customer service , shopping assistance, product recommendations, abandoned cart recovery, add-to-cart, free shipping alerts and more compared to Tidio, Chatty, Rep AI, SmartBot, Moose, ZipChat and others. more Unlimited AI chatbot conversations, support tickets & sales. Convert clicks into conversions with targeted page engagement at the right time. Product finders, free shipping, and upsell/cross-sell tools to increase AOV. AI chatbot trained on your Shopify store, site data, FAQs, and documents. Instant self-service support for orders, returns, and FAQs.
Describe your quiz and AI builds it. Personal results, more email sign-ups, and more sales. Turn shoppers into buyers with Phoenix, our AI quiz builder. Describe your quiz or upload a plan, and Phoenix builds it from your Shopify catalog: questions, logic, images and a results page that explains every pick. It flags dead ends and out-of-stock products before shoppers hit them. Collect zero-party data, grow your email and SMS lists, and sync every answer to Klaviyo, Attentive and more. See what each answer earns, and let AI suggest and run the next A/B test. Turn shoppers into buyers with Phoenix, our AI quiz builder. Describe your quiz or upload a plan, and Phoenix builds it from your Shopify catalog: questions, logic, images and a results page that explains every pick. It flags dead ends and out-of-stock products before shoppers hit them. Collect zero-party data, grow your email and SMS lists, and sync every answer to Klaviyo, Attentive and more. See what each answer earns, and let AI suggest and run the next A/B test. more AI quiz builder: describe your quiz, and AI builds it and checks it for issues Personalized product recommendations that explain why each product fits Analytics & A/B tests: see what each answer earns, and let AI run the next test Image Analysis: shoppers answer with a photo, and AI picks the right products Open platform: API, webhooks and MCP, so any AI assistant can run your quizzes
Boost sales by showcasing the Best Sellers on your Homepage using an image Slider / Carousel Best sellers generate most of your revenue—make them impossible to miss. OctoSlide helps you automatically promote top products on your homepage or collections through customizable sliders and carousels. Choose compact or enlarged product sliders, enable lazy load for faster PageSpeed, and add zoom-on-hover. Fully supports Online Store 2.0, collection sliders, and homepage product carousels, helping you boost sales and showcase products beautifully with responsive image sliders. Best sellers generate most of your revenue—make them impossible to miss. OctoSlide helps you automatically promote top products on your homepage or collections through customizable sliders and carousels. Choose compact or enlarged product sliders, enable lazy load for faster PageSpeed, and add zoom-on-hover. Fully supports Online Store 2.0, collection sliders, and homepage product carousels, helping you boost sales and showcase products beautifully with responsive image sliders. more Add a one-click Add to Cart button on any product slider to boost conversions Increase engagement with customizable carousels, sliders, and image slideshows Match your brand look by styling product sliders and carousels to fit your theme Track sales performance from each slider / carousel with the built-in analytics Ensure a smooth experience with fully mobile-optimized product sliders
Discover the ease and flexibility of our customizable and user-friendly store branch locator. Simplify your store branch location with our user-friendly store branch locator app. Push in-store sales, reduce support queries, and effectively showcase your stores, retailers, and dealers. Gain valuable insights into customer preferences with advanced analytics. Optimize your strategy with data-driven decisions. Try our store locator today. Simplify your store branch location with our user-friendly store branch locator app. Push in-store sales, reduce support queries, and effectively showcase your stores, retailers, and dealers. Gain valuable insights into customer preferences with advanced analytics. Optimize your strategy with data-driven decisions. Try our store locator today. more No need for an API key – easy installation without external services or expenses Choose from various map styles and utilize custom markers to categorize Add unlimited number of locations and display store details with review section Add anywhere in your page - home, collection or any page using theme block You can enable widgets or App Embed with customizable option
Boost your conversions with Games, Quizzes, Instant Wins, Wheel of Fortune, Scratch, Advent Calendar Discover our all-in-one data collection platform: games, rewards/promotions, quizzes and refer-a-friend, published as pop-ups, iFrames, or sub-domains. Enjoy vouchers/coupons integration, multilingual support, user rights management, and integration with all leading marketing automation platforms. With 200+ templates and ISO27001 certification, unleash your marketing potential today and harness the power of Odicci's Interactive Marketing Hub. Discover our all-in-one data collection platform: games, rewards/promotions, quizzes and refer-a-friend, published as pop-ups, iFrames, or sub-domains. Enjoy vouchers/coupons integration, multilingual support, user rights management, and integration with all leading marketing automation platforms. With 200+ templates and ISO27001 certification, unleash your marketing potential today and harness the power of Odicci's Interactive Marketing Hub. more Rewards: Advent Calendar, Scratch Cards, Wheel of Fortune, Jackpot and more.. Games: Drop game, Jump game, Pinball, Memory, Matching game and more... Quizzes: Product Quizzes, Personality Profilers, Gift Finders, Knowledge quizzes Advocacy: Refer a Friend, Gamified Referral, NPS, Surveys, Landing Pages
Allow shoppers to create custom pricing quotes real-time and self-checkout! This app allows you to generate pricing on the fly! Create unlimited variants (avoid Shopify's variant limit), unlimited options, custom pricing calculations, quotes, bundles, subscriptions, selling plans, and more without having to create a custom app! It is designed to be developer friendly with no rigid templates. Use your own HTML, CSS, and JavaScript formula. Customize it however you wish! This app allows you to generate pricing on the fly! Create unlimited variants (avoid Shopify's variant limit), unlimited options, custom pricing calculations, quotes, bundles, subscriptions, selling plans, and more without having to create a custom app! It is designed to be developer friendly with no rigid templates. Use your own HTML, CSS, and JavaScript formula. Customize it however you wish! more Allows unlimited questions / prices / variants / options Increase sales with real-time quotes and shopper self-checkout Run your own code without having to build an app Developer friendly - built for devs
Provide search suggestions as you type. One can also enable search results and collection filters. This app boosts search & discovery with instant suggestions as you type, helping customers find products, blogs, pages & collections quickly. Product filters: Refine results on search results page & collection pages using smart filters. Data analysis: Gain valuable search data insights. Easy installation: Seamlessly integrate with your store. The app works for all languages. This app boosts search & discovery with instant suggestions as you type, helping customers find products, blogs, pages & collections quickly. Product filters: Refine results on search results page & collection pages using smart filters. Data analysis: Gain valuable search data insights. Easy installation: Seamlessly integrate with your store. The app works for all languages. more LiveSearch suggestions with unlimited products, collections, pages & blogs Smart search bar Search results page and collection page filter menu. Complete search and click pattern analysis.
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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.