AI Personalized Recommendations with Frequently Bought, Related Items, Slide Cart, & Post Purchase. With Wiser, you can showcase intelligent product suggestions across your store — from the homepage and product pages to the cart, checkout, & even post-purchase. It includes a complete suite of upsell & cross sell widgets like Slide Cart Drawer, Checkout Upsell, Related & Recently Viewed Products, Shop the Look, Pair it With, Addons & more. Track performance directly in your Shopify admin, access APIs for custom integrations, and scale personalization, selleasy by cross sell & upsell bundles. With Wiser, you can showcase intelligent product suggestions across your store — from the homepage and product pages to the cart, checkout, & even post-purchase. It includes a complete suite of upsell & cross sell widgets like Slide Cart Drawer, Checkout Upsell, Related & Recently Viewed Products, Shop the Look, Pair it With, Addons & more. Track performance directly in your Shopify admin, access APIs for custom integrations, and scale personalization, selleasy by cross sell & upsell bundles. more Show frequently bought together product bundles with discounts & best seller IntelliSearch: AI-powered search & filters with detailed analytics to check data Boost AOV by post purchase Upsell, Checkout Upsell, API access & Product Addons Advanced drawer cart for in cart upsell with progress bar to increase conversion In depth Analytics: Track which upsells & cross-sell offers convert.
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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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 wrapping, and gift options. Enable gift wraps, 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 Blocks for: gift wrapping, gift notes, personalized messages, and gift boxes. Perfect for birthdays, 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 wraps, 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 Blocks for: gift wrapping, gift notes, personalized messages, and gift boxes. Perfect for birthdays, 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
Create custom product options, variants, swatches, uploads, conditional logic, dynamic pricing Create unlimited custom options in minutes — no code needed. Break Shopify’s 100-variant limit with YMQ Product Options App. Offer 30+ option types — text, swatches, file uploads, date pickers & more. Option content translation and multi-market pricing boost global sales. Percentage & fixed pricing, discount price, price formulas, and volume discounts boost sales. Use option sets to save time. Supports cart editing, drawer cart & Buy Now. Perfect for personalized, custom & wholesale products. Create unlimited custom options in minutes — no code needed. Break Shopify’s 100-variant limit with YMQ Product Options App. Offer 30+ option types — text, swatches, file uploads, date pickers & more. Option content translation and multi-market pricing boost global sales. Percentage & fixed pricing, discount price, price formulas, and volume discounts boost sales. Use option sets to save time. Supports cart editing, drawer cart & Buy Now. Perfect for personalized, custom & wholesale products. more 30+ option types: text fields, file upload, color swatches, dropdowns, checkboxe Dynamic pricing: add fixed or percentage price add-ons by selected options Conditional Logic: Show product options based on selections or Shopify variants Create price calculators of any complexity using your custom math formula Use volume discounts and discounted prices to boost sales
Custom Product Options for Cakes, Flowers, Gifts, Chocolates, Gift Baskets, Weddings & More Shopify Build Award Winner 2026 – Create custom product options for cakes, flowers, gifts, chocolates, gift baskets, weddings and more. Add personalized cake inscriptions, flower bouquet choices, gift messages, premium add-ons, and seasonal options. Ideal for bakeries, florists, and gift stores, our app helps you upsell with ease. Elevate every order — from wedding cakes to anniversary flowers — into a unique, memorable shopping experience for your customers. Shopify Build Award Winner 2026 – Create custom product options for cakes, flowers, gifts, chocolates, gift baskets, weddings and more. Add personalized cake inscriptions, flower bouquet choices, gift messages, premium add-ons, and seasonal options. Ideal for bakeries, florists, and gift stores, our app helps you upsell with ease. Elevate every order — from wedding cakes to anniversary flowers — into a unique, memorable shopping experience for your customers. more Cake & Bouquet Customization: Flavors, sizes, colors, inscriptions & styles Premium Add-on Pricing: Automatic charges for luxury upgrades and services Dynamic Style Previews: Product images change with customer color selections Personalized Gift Notes: Custom messages for celebrations and special occasions Smart Option Rules: Display relevant choices based on product selections
Add Unlimited Custom Product Options with Live Preview. A Visual Personalizer to boost sales Allow your customers to personalize and customize your product with images & color swatches, dropdown menus, buttons, text & monogram inputs, custom fonts & color selections, upload fields, and more. Use Conditional logic & Dynamic Pricing to create a complete product-building experience. Offer live customization, increase customer engagement, and simplify custom orders. Allow your customers to personalize and customize your product with images & color swatches, dropdown menus, buttons, text & monogram inputs, custom fonts & color selections, upload fields, and more. Use Conditional logic & Dynamic Pricing to create a complete product-building experience. Offer live customization, increase customer engagement, and simplify custom orders. more Add Unlimited Product Options & Variant Options Let your customers see a Live Preview of the product directly in store Use Conditional logic to show & hide product options based on user selection Make Price Increases depending on the user selection. Offer 'Build Your Own Product' Experience for Multi-component custom products
The Multi Page Responsive Slider guarantees sliders that are responsive and always informative. Sliders are a fantastic way to engage your users by displaying an array of content quickly and easily. No matter what you need to showcase - be it pictures from a presentation or different topics on a website - sliders make the perfect accessory! Sliders do not only provide people with easy access to information, but they can also help increase conversions. After all, there's no better sales tactic than presenting your services or products in an attractive, rotating digital photo album! Sliders are a fantastic way to engage your users by displaying an array of content quickly and easily. No matter what you need to showcase - be it pictures from a presentation or different topics on a website - sliders make the perfect accessory! Sliders do not only provide people with easy access to information, but they can also help increase conversions. After all, there's no better sales tactic than presenting your services or products in an attractive, rotating digital photo album! more Easy to search and filter categories and items. Admin can create one or more sliders for either a single page or multiple pages. Admin can have the option to set slider style differently for each slider. Responsive (Mobile / Tablet Friendly) Sliders. Slider automatically creates a shortcode that Admin can paste into any location.
Increase user engagement & revenue with the help of the app's Broadcast Bar & Shipping Bar Features! With Broadcast Bar + Shipping Bar, captivate your visitors and elevate your online presence! Share exciting news, events, and coupons with customers through the visually appealing Broadcast Bar that you can customize to match your site's branding. The new Shipping bar feature allows you to set cart goals for your customers and encourage them to add more items to their cart. Plus manage and customize the app with ease using its intuitive interface. With Broadcast Bar + Shipping Bar, captivate your visitors and elevate your online presence! Share exciting news, events, and coupons with customers through the visually appealing Broadcast Bar that you can customize to match your site's branding. The new Shipping bar feature allows you to set cart goals for your customers and encourage them to add more items to their cart. Plus manage and customize the app with ease using its intuitive interface. more Easily create an engaging and interactive news experience for your visitors. Keep viewers engaged with exciting slide transitions on the Broadcast Bar. Upsell effortlessly with the shipping bar feature. Display news boxes side-by-side or individually for maximum impact. Easily customize free shipping bar colors & settings from the app backend.
Help your customers to buy your most popular products of all time! Popular Products on Your Store lets you display the image slider, making it easy for customers to add them to their cart with just one click. This app is easy to install and configure. The app also keeps track of your most popular products. You're able to loop or auto play the images and control the border, colors, and other styling aspects. Customers can easily add desired items to their cart with just one click by using the "Add to Cart" button on each product and from the Cart Page too. Popular Products on Your Store lets you display the image slider, making it easy for customers to add them to their cart with just one click. This app is easy to install and configure. The app also keeps track of your most popular products. You're able to loop or auto play the images and control the border, colors, and other styling aspects. Customers can easily add desired items to their cart with just one click by using the "Add to Cart" button on each product and from the Cart Page too. more Allows customers to navigate through the most popular products in a slider view. Track Most Viewed & Popular Products with the help of graphical reports. It will help customers to find the most viewed and famous products. Choose whether to show the slider on other page / popup for product description. You can choose whether to have the image slider autoplay or loop continuously.
Zestard Product Matrix makes it easy to order multiple quantities of products at once / bulk order. Zestard Product Matrix is especially useful for wholesalers and B2B (Business To Business). It allows ordering multiple quantities of products at once, even when there are multiple product variants, it displays product table (matrix) on the page in such a way that it becomes very easy to order multiple quantities of a product with different variants. The app allows admin to customize the Matrix view to match with their brand and allows to manage all settings per product from the app back end. Zestard Product Matrix is especially useful for wholesalers and B2B (Business To Business). It allows ordering multiple quantities of products at once, even when there are multiple product variants, it displays product table (matrix) on the page in such a way that it becomes very easy to order multiple quantities of a product with different variants. The app allows admin to customize the Matrix view to match with their brand and allows to manage all settings per product from the app back end. more Buyers can compare various product variants side-by-side on the product page. Customers can order multiple quantities at once / bulk order. Manage quantity & choose whether to allow out of stock products to order or not. Manage minimum quantity validation on the Product & Cart Page per product. Price management/show default price / individual price for each product variant.
Promotion Popup: Easily set up a nice discount pop ups in minutes with no technical requirements. Snake Promotion Popup (Discount pop ups, Email Sign Up, Newsletter Pop Up, Email Pop Ups, Countdown timer popup, coupon) is a solution for any store to promo your sales. With a wide range of popup types, conditions/display option, and events (Basic Popup, Email popup, Countdown popup or Image Popup). Snake Promotion Popup helps you create high converting, promotional and informative popups, increase conversion rates and boost sales while reaching your marketing goals. Snake Promotion Popup (Discount pop ups, Email Sign Up, Newsletter Pop Up, Email Pop Ups, Countdown timer popup, coupon) is a solution for any store to promo your sales. With a wide range of popup types, conditions/display option, and events (Basic Popup, Email popup, Countdown popup or Image Popup). Snake Promotion Popup helps you create high converting, promotional and informative popups, increase conversion rates and boost sales while reaching your marketing goals. more Easily set up a nice discount pop ups in minutes with no technical requirements Countdown creates urgency and provides discount codes to help increase sales Helps collect email lists of potential customers to help you easily promotions Display options. Export subscribers. Auto response to subscribe. Shopify customer sync. Email integration (Mailchimp, Klaviyo, Omnisend)
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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.