Easily create multi-level filters for quick search and compatibility checks, reducing return rates. Enhance your store with a YMM search widget for automotive parts & related products. This widget helps customers find compatible items for their cars, motorcycles, trucks, etc., via a filtered search. Customize YMM dropdowns and display fitment info on orders to reduce incompatibility returns. It improves the shopping experience and boosts customer satisfaction. Enhance your store with a YMM search widget for automotive parts & related products. This widget helps customers find compatible items for their cars, motorcycles, trucks, etc., via a filtered search. Customize YMM dropdowns and display fitment info on orders to reduce incompatibility returns. It improves the shopping experience and boosts customer satisfaction. more Enhance your store's search with a versatile YMM search widget finder. Display fitment information and compatibility charts on product pages. Display product fitment in orders to reduce return rates for purchased items. Database containing newly released vehicles year round Provide comprehensive design or customization support for YMM applications.
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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Run viral giveaways, contests & sweepstakes to grow email list, boost engagement & have more sales! ViralSweep offers easy management of giveaways, sweepstakes, contests, raffles & waitlists, all while helping you boost sales & go viral! You can quickly create custom promotion pages to collect entries, analyze entrant data with charts & graphs, and easily select & notify winners. Even incentivize social media sharing to boost your promotion’s reach, generating additional leads and sales. You can collect UGC by running photo & video contests and choosing winners with votes or manual selection. ViralSweep offers easy management of giveaways, sweepstakes, contests, raffles & waitlists, all while helping you boost sales & go viral! You can quickly create custom promotion pages to collect entries, analyze entrant data with charts & graphs, and easily select & notify winners. Even incentivize social media sharing to boost your promotion’s reach, generating additional leads and sales. You can collect UGC by running photo & video contests and choosing winners with votes or manual selection. more Create your giveaway or raffle in minutes & share it easily with your customers Give bonus entries for completing social media actions: like, share, & more Run purchase-based giveaways to reward entries based on spend $1 spent = 1 entry Refer friends or complete social actions to move up spots on the waitlist Integrates with all your favorite email marketing, social media, & SMS platforms
Increase sales with AI Visual Search, Search Bar and Product Recommendations Simplify your e-commerce shopping experience and make it impressive. With our Visual Search, Search Bar and Product Recommendations plugin, you can show more customized results in user searches and increase your conversion rate. Increase your conversion rate with our AI-powered search and discovery plugin. Lightning-fast text search, image search, advanced category filtering, intuitive product filters and recommendations keep users happy. A complete suite for the discovery phase. Simplify your e-commerce shopping experience and make it impressive. With our Visual Search, Search Bar and Product Recommendations plugin, you can show more customized results in user searches and increase your conversion rate. Increase your conversion rate with our AI-powered search and discovery plugin. Lightning-fast text search, image search, advanced category filtering, intuitive product filters and recommendations keep users happy. A complete suite for the discovery phase. more Visual Search: Allow your e-commerce customers to search for products by images. Search Bar: Allow your e-commerce customers to search with AI text search. Product Recommendations: Suggest products in real time based on behaviour. Multiple Strategies: Optimize each experience with a variety of algorithms. Optimized for global sales with full Shopify Markets support.
A/B Testing With AI. Personalize & A/B Test Price, Offer, Theme, Upsell. Scale CRO With AB Testing AI-powered A/B testing, split testing, and personalization. With Visually AI, test every stage of the shopper journey: AB test homepage, PDPs, carts, A/B test checkouts and post-purchase upsells. Instantly generate site components and uncover what drives conversion rate. Visually connects to your Shopify data for full-funnel analytics and segmentation in one place. Run smarter, no-code A/B testing and CRO and reduce dev time. Migrate from abconvert, vwo, shogun AB test, intelligems or shoplift. AI-powered A/B testing, split testing, and personalization. With Visually AI, test every stage of the shopper journey: AB test homepage, PDPs, carts, A/B test checkouts and post-purchase upsells. Instantly generate site components and uncover what drives conversion rate. Visually connects to your Shopify data for full-funnel analytics and segmentation in one place. Run smarter, no-code A/B testing and CRO and reduce dev time. Migrate from abconvert, vwo, shogun AB test, intelligems or shoplift. more A/B testing in minutes: Generate, edit and launch an AB test using Visually AI Personalize by segment using catalog + behavior signals, Optimize with AB tests Leverage advanced A B testing statistical tech via powerful AB testing analytics Run a split test to max conversion rate on themes, discounts, prices & shipping Ensure no flickering and high page speed using an AB test-focused architecture
Vye alerts customers to any item they're searching for. It's not limited to simple restock alerts. Built for shops with ever-changing inventory, including collectibles, trading cards, vintage, consignment and specialty retail. Unlike typical back-in-stock apps that track one product, Vye lets customers save what they're looking for, such as a keyword, collection or vendor and get notified when a match arrives. Create subscription forms with a drag-and-drop editor, design branded email templates and add SMS alerts. Hands-on support that adapts to your store's needs. Built for shops with ever-changing inventory, including collectibles, trading cards, vintage, consignment and specialty retail. Unlike typical back-in-stock apps that track one product, Vye lets customers save what they're looking for, such as a keyword, collection or vendor and get notified when a match arrives. Create subscription forms with a drag-and-drop editor, design branded email templates and add SMS alerts. Hands-on support that adapts to your store's needs. more Notify customers when products match their exact interests, not just restocks Let customers save preferences and subscribe to personalized alerts Create custom subscription forms with a drag-and-drop editor Send email or SMS notifications automatically when new items match Request custom modifications for your store's needs
Add warnings for Prop 65 (P65), product availability, shipping delays, note, disclaimer and age gate Want to inform customers about possible shipping delays? Need to add a global note to a certain products collection? Did you stop shipping to some countries and need an easy way to alert customers? Warn got you covered. With Warn you can add unlimited, customizable warnings to your product page (PDP) and Checkout page, and target them globally or to specific products & countries. Secure your store with accurate warnings, shipping delays alerts, and reduce fraud, chargebacks and inconveniences. Want to inform customers about possible shipping delays? Need to add a global note to a certain products collection? Did you stop shipping to some countries and need an easy way to alert customers? Warn got you covered. With Warn you can add unlimited, customizable warnings to your product page (PDP) and Checkout page, and target them globally or to specific products & countries. Secure your store with accurate warnings, shipping delays alerts, and reduce fraud, chargebacks and inconveniences. more Show popups and textual warning note/disclaimer on product page (PDP) & checkout Add unlimited warnings: Prop 65, notice, FAQ, product labels & badges and alerts Show the warnings globally or target specific products, collections & countries Fully customizable warning style, texts, images and buttons to match your store You can entirely block the checkout process when the checkout warning appears
Maximize Engagement with Webrex: The Ultimate Bar for Promotions, Countdowns, and Targeted Campaigns Boost your store's impact with Webrex, the all-in-one bar for promotions and targeted campaigns. From Countdown to Free Shipping Bars, customize effortlessly for both mobile and desktop. Utilize GEO and device targeting to optimize engagement and conversions. With the Contact Bar, easily build your email list for future promotions. Set up in minutes, no coding needed, and enjoy dedicated support to maximize your success. Boost your store's impact with Webrex, the all-in-one bar for promotions and targeted campaigns. From Countdown to Free Shipping Bars, customize effortlessly for both mobile and desktop. Utilize GEO and device targeting to optimize engagement and conversions. With the Contact Bar, easily build your email list for future promotions. Set up in minutes, no coding needed, and enjoy dedicated support to maximize your success. more Multiple Position, Multiple Bar, Multiple Animation with Full Customization Bar Type: Promotional & Countdown Bar, Add to Cart, Email Bar, Free Shipping Bar Animation Type: Regular, Moving Multiple Bar, Carousel Slide Set Diffrent Content & Design for Mobile and Desktop, Fully Customization Targeting: GEO, Device, Page & Source Targeting and Scheduling
Show a personalized greeting banner to each customer Personalized Greeting Banner lets you display a custom message to your customers using their first or last name. You can customize the text, design, and optionally show a discount or offer inside the banner. Useful for greeting returning customers and highlighting offers without changing your theme. Personalized Greeting Banner lets you display a custom message to your customers using their first or last name. You can customize the text, design, and optionally show a discount or offer inside the banner. Useful for greeting returning customers and highlighting offers without changing your theme. more Show personalized messages using customer first or last name Fully customizable banner text and design Display discount codes or special offers in the banner Works automatically for logged-in customers
Personalized AI Recommendations with Frequently Bought, Related, Cart Upsell & Post-Purchase Upsells With Wiser, you can showcase AI-recommended products on all pages of your store to upsell. Increase average order value (AOV) by showing frequently bought together bundles, cart/checkout upsells, & targeted product recommendations that are continuously learning from shopper behavior to optimize which products are displayed to each user. Use conditional logic to customize the customer experience for upsell & cross sell offers on product pages, cart drawer, thank you pages, & post-purchase offers. With Wiser, you can showcase AI-recommended products on all pages of your store to upsell. Increase average order value (AOV) by showing frequently bought together bundles, cart/checkout upsells, & targeted product recommendations that are continuously learning from shopper behavior to optimize which products are displayed to each user. Use conditional logic to customize the customer experience for upsell & cross sell offers on product pages, cart drawer, thank you pages, & post-purchase offers. more Frequently Bought Together: Show FBT, related products & recommendations Post Purchase Upsell: Add upsell offers right after checkout completes Advanced Cart Drawer Upsell: Add cross-sell & a free shipping bar in cart Supports: Shopify Markets, multi-currency & multi-language stores Analytics: Track which upsell and cross-sell offers convert
Build trust, create urgency, and drive more sales with sales popups, timers & review notifications. Show live visitor counts, recent sales, and customer reviews to build trust with your audience. Highlight social media activity, testimonials, and follower milestones to make your store more credible. Increase sales with alerts like low stock, flash discounts, and free shipping bars. WiserNotify makes it easy to turn visitors into buyers. With over 250 integrations, setup is quick and simple. Need help? Our team is here to assist you. Show live visitor counts, recent sales, and customer reviews to build trust with your audience. Highlight social media activity, testimonials, and follower milestones to make your store more credible. Increase sales with alerts like low stock, flash discounts, and free shipping bars. WiserNotify makes it easy to turn visitors into buyers. With over 250 integrations, setup is quick and simple. Need help? Our team is here to assist you. more Social Proof Notifications: Show recent purchases, reviews, & live visitor count Promotional Widgets: Display discounts, announcements, and special offers. Inline messaging: Show social & FOMO notifications within your website content. Analytics Dashboard: Track clicks, conversions, and sales. Multi-language Support: Customize notifications in 50+ languages.
Enhance your conversion rate with Advanced AI Powered Search, Filter & Product Discovery tools Elevate your store’s product discovery with Wizzy AI Search & Filter. Enable dynamic filters by product tags, sizes, colors, vendors, brands, inventory locations, and more, tailored to your store’s needs. Wizzy’s intelligent search provides instant AI-driven suggestions, spell checks, autocorrect, synonyms with proprietary AI product ranking. Enhance engagement on collection and search pages with keyword redirects, and curated recommendations even turning 404 pages into conversion opportunities. Elevate your store’s product discovery with Wizzy AI Search & Filter. Enable dynamic filters by product tags, sizes, colors, vendors, brands, inventory locations, and more, tailored to your store’s needs. Wizzy’s intelligent search provides instant AI-driven suggestions, spell checks, autocorrect, synonyms with proprietary AI product ranking. Enhance engagement on collection and search pages with keyword redirects, and curated recommendations even turning 404 pages into conversion opportunities. more Full text contextual search, understands users intent to show relevant products Shows Recent Search Terms, Trending Searches, Visual Swatches and Blog Search Unlimited custom filters & Show Individual Variants on Search & Collection Pages Search by Colors, Size, Variations, Description, Tags, Metafields, SKU, barcode. Implements fast search and filters without hampering store's page insights score
Allow customers to add gift wrap & messages for their orders and earn more upselling opportunities. Offers more value | Upsells your products | Personalizes the orders Wrapin is a super thoughtful feature that shows that you care about your customers and the people they buy gifts for. Use it to gain an edge over your competitors and expand your store's features and functionalities. The app complements your existing theme, design, and layout. Delight and enrich your customer experience by offering gift-wrapping and messages. Use our new gift options and make your presents look even fancier. Offers more value | Upsells your products | Personalizes the orders Wrapin is a super thoughtful feature that shows that you care about your customers and the people they buy gifts for. Use it to gain an edge over your competitors and expand your store's features and functionalities. The app complements your existing theme, design, and layout. Delight and enrich your customer experience by offering gift-wrapping and messages. Use our new gift options and make your presents look even fancier. more Admin can Add Multiple Gift Options with Multiple Language Translation Support. Automatically tag the order with gift-wrapped items and generate a reports. Include a gift wrap option and message details in the order confirmation email. Choose between paid or free gift wrap options & Admin can set gift message limit Customers can add a personalized message for every gift-wrapped box.
Boost sales and order value with personalized gift messages, gift wrap, and gift options. Enable gift wrap, gift messages, and personalized gift options across your store. Customers add gift features on product pages, in cart, or at checkout for a complete gifting experience. Includes customizable gift wrapping, gift notes, personalized messages, and gift boxes. Perfect for holidays, special occasions, Black Friday, and Cyber Monday. Helps increase average order value and boost customer satisfaction through seamless gift experiences that match your store. Enable gift wrap, gift messages, and personalized gift options across your store. Customers add gift features on product pages, in cart, or at checkout for a complete gifting experience. Includes customizable gift wrapping, gift notes, personalized messages, and gift boxes. Perfect for holidays, special occasions, Black Friday, and Cyber Monday. Helps increase average order value and boost customer satisfaction through seamless gift experiences that match your store. more Gift Blocks | Upsell gift options on product pages, carts, and at checkout Order Gift Options | Add gift wrap and gift messages to an entire order Product Gift Options | Add gift wrap and gift messages to individual products Elevated customer experience | A seamless way for shoppers to personalize gifts Fully customizable | Easily match gift option features to your brand and theme
XB Pricing Table helps merchants display organized and customizable options for customer clarity. XB Pricing Table allows merchants to build and display customizable tables, making it easy for customers to compare features and options. With a range of up-to-date templates, merchants can highlight differences across plans, manage flexible display rules, and create an engaging user experience. The app’s user-friendly interface is perfect for creating tables that align with store branding, simplifying complex details and enhancing the customer journey. XB Pricing Table allows merchants to build and display customizable tables, making it easy for customers to compare features and options. With a range of up-to-date templates, merchants can highlight differences across plans, manage flexible display rules, and create an engaging user experience. The app’s user-friendly interface is perfect for creating tables that align with store branding, simplifying complex details and enhancing the customer journey. more Flexible Table Designs: Design tables with various styles to match your brand. Feature Comparison: Highlight product or plan differences for easy comparison. Monthly/Quarterly/Annual Plans: Manage pricing options for different timeframes. Mobile-Friendly Layouts: Ensure pricing tables look great on any device. No-Code Editing: Build, edit, and style tables easily without coding skills.
Maximize Revenue with Xboost AI Analysis: AI-Powered Cart Upsell, Free Shipping Bar & Protection Maximize revenue in 1 click! Let Xboost AI analyze your niche & orders to auto-configure a smart Cart Drawer. We optimize strategies for AI-Powered Cart Upsell, Multiple product Addons, and Free Shipping Bar. Drive urgency with an Announcement Bar & Announcement Countdown Cart Timer. Secure sales via Terms and Conditions & Express Payment. Best of all? Effortlessly choose from stunning templates, layouts, and colors to perfectly match your brand style. Maximize revenue in 1 click! Let Xboost AI analyze your niche & orders to auto-configure a smart Cart Drawer. We optimize strategies for AI-Powered Cart Upsell, Multiple product Addons, and Free Shipping Bar. Drive urgency with an Announcement Bar & Announcement Countdown Cart Timer. Secure sales via Terms and Conditions & Express Payment. Best of all? Effortlessly choose from stunning templates, layouts, and colors to perfectly match your brand style. more 1-Click AI: Analyze store data to auto-boost sales instantly. AI-Powered Cart Upsell: Suggest relevant products to increase order value. Cart Add-ons: Multiple product cart add-ons & Shipping Protection. Rewards in Cart: Free shipping bar, discount code, progress bar and free gift. Express Checkout, Trust Badges & Icons, Cart Timer, Announcement Bar
Embedding a photo gallery into your store is incredibly easy with XO Gallery. XO Gallery offers a ton of great features to customize your gallery until you're satisfied. It supports modern Grid, Masonry, Stack, Justified, Carousel and Slider layouts. Not only that, but you can even customize each photo in the gallery and even modify them for desktop, laptop, mobile and tablet to suit your liking. Designing with the user in mind, XO Gallery is a mobile-first responsive app that gorgeously displays your gallery regardless of the device your visitors are viewing it with. XO Gallery offers a ton of great features to customize your gallery until you're satisfied. It supports modern Grid, Masonry, Stack, Justified, Carousel and Slider layouts. Not only that, but you can even customize each photo in the gallery and even modify them for desktop, laptop, mobile and tablet to suit your liking. Designing with the user in mind, XO Gallery is a mobile-first responsive app that gorgeously displays your gallery regardless of the device your visitors are viewing it with. more Create any number of galleries with unlimited photos. Easy to upload and organize. Hotstpot/lookbook: tag products into image. Transform product images into a gallery. Function smoothly on every screen-size to never miss a potential customer.
Boost AOV with dynamic progress bars — now with VIP & loyalty-based thresholds Yaco Progress Bar optimizes your cart with progress bars tied to goals: free shipping, discounts, or free gifts. New: reward your loyal customers with thresholds based on lifetime spend or past order count — turn repeat buyers into VIPs automatically. Works on cart page, cart drawer, product page and Shopify Plus Checkout. 100% customizable, responsive, multi-currency, multi-language, with market & customer-tag targeting. Yaco Progress Bar optimizes your cart with progress bars tied to goals: free shipping, discounts, or free gifts. New: reward your loyal customers with thresholds based on lifetime spend or past order count — turn repeat buyers into VIPs automatically. Works on cart page, cart drawer, product page and Shopify Plus Checkout. 100% customizable, responsive, multi-currency, multi-language, with market & customer-tag targeting. more Multiple goals: gifts, discounts, free shipping, BOGO Cart drawer, cart page, product page & checkout integration Fully customizable design, text, and goal sizes NEW — VIP thresholds: reward customers by lifetime spend or past order count Market, country, tag & customer-history targeting
Year Make Model Search for Auto Parts & Product fit. YMM search. Search by Model & Search by Make. Year Make Model Search, model fitment widget & fitment table. EasySearch adds a filter search widget, a fitment widget to the product page, and fitment tables that allow your customers to find a product that fits their car, truck, bike, device, or TV. App has a preloaded Year Make Model DB for automotive parts finder. However, you may easily add your own set of YMM records. Enjoy the "keep filtering" feature. My Garage feature improves customers' experience, making shopping more comfortable. Year Make Model Search, model fitment widget & fitment table. EasySearch adds a filter search widget, a fitment widget to the product page, and fitment tables that allow your customers to find a product that fits their car, truck, bike, device, or TV. App has a preloaded Year Make Model DB for automotive parts finder. However, you may easily add your own set of YMM records. Enjoy the "keep filtering" feature. My Garage feature improves customers' experience, making shopping more comfortable. more Improve store search with multi-functional Year Make Model search part finder. Fitment widget for the Product page to make sure product suits your customer Fitment table - show fitment information on the product page with table view. My Garage - vehicle selection will be saved across customer sessions Universal product - a single product can be linked to several YMM combinations
You can to create a sliding cart that fits your store style with upsells and add-ons to increase AOV Ymq Cart is a drawer cart builder that integrates many marketing functions. Using Ymq Cart can optimize the checkout process and increase order conversion rate. Increase AOV seamlessly with an all-in-one product upsell with discount promotions. Expand your revenue stream through upsells, add-ons. Our carts are designed to look and feel on-brand to the rest of your site. Ymq Cart is a drawer cart builder that integrates many marketing functions. Using Ymq Cart can optimize the checkout process and increase order conversion rate. Increase AOV seamlessly with an all-in-one product upsell with discount promotions. Expand your revenue stream through upsells, add-ons. Our carts are designed to look and feel on-brand to the rest of your site. more Customize Your Slide Cart Drawer To Match Your Brand Perfectly. Multi-tier Progress Bar: Free Gifts & Discount & Shipping Based On Cart Total. Create An Add-On Option For Shipping Insurance, Priority Processing, Warranties. Add Upselling And Cross-Selling Blocks To Boost Your AOV. Use Countdown Promotion Announcements To Incentivize Adding Items.
Upgrade your Product Page with better Images Gallery. Set Multiple Variant Images Automatically. Show multiple variant images of the selected variant. Give your product page a clean & professional look, and improve customer experience & conversions. You don't need to manually assign variant images to each variant. If you would like to have your customers browse your products images as an image slider / carousel / image gallery with an option of zoom in and out as well as pagination, then our app is for you. Our image slider is fully mobile supported and compatible with all browsers. Show multiple variant images of the selected variant. Give your product page a clean & professional look, and improve customer experience & conversions. You don't need to manually assign variant images to each variant. If you would like to have your customers browse your products images as an image slider / carousel / image gallery with an option of zoom in and out as well as pagination, then our app is for you. Our image slider is fully mobile supported and compatible with all browsers. more Variant Image Automator shows multiple images per variant. Improves conversions! Image slider - Classic image slider experience with right and left navigation. Mobile & Desktop support - Developed by default for mobile and desktop support. Fully customizable - Choose the colors to fit your theme. Image slider / carousel / image gallery
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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.