The All-in-One Sales-Boosting App for Your Store. Supercharge your store with powerful tools designed to enhance the shopping experience, drive conversions, and streamline store management—all in one app. Sledge gives you 15 essential widgets to optimize your store, from intuitive search and smart filters to wishlist and product reviews. Set up in minutes, customize effortlessly with the Customizer, and seamlessly integrate with any theme. Plus, more powerful widgets are on the way! Supercharge your store with powerful tools designed to enhance the shopping experience, drive conversions, and streamline store management—all in one app. Sledge gives you 15 essential widgets to optimize your store, from intuitive search and smart filters to wishlist and product reviews. Set up in minutes, customize effortlessly with the Customizer, and seamlessly integrate with any theme. Plus, more powerful widgets are on the way! more Instant Search & Smart Filters – Improve product discovery effortlessly. Wishlist & Reviews – Boost engagement and build customer trust. Presets & Customizer – Use ready-made templates or fine-tune every detail. Custom Code Support – Add scripts to enhance widget functionality & design. Sales-Boosting Widgets – Trust Badges, Recently Viewed, Review Snippets & more.
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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Drive sales with animated announcement bars: sticky, scrolling, rotating, sliding, and countdowns Create fully customizable announcement bars to highlight promotions, share updates, and engage visitors across your store. Add countdown timers, rotating messages, and call-to-action buttons—no coding required. Target specific countries, pages, or customer groups, and control when and where each bar appears. Choose from 28 pre-built themes or design your own. With flexible styling, smooth animations, scheduling, and performance insights, it's easy to keep your visitors informed and engaged. Create fully customizable announcement bars to highlight promotions, share updates, and engage visitors across your store. Add countdown timers, rotating messages, and call-to-action buttons—no coding required. Target specific countries, pages, or customer groups, and control when and where each bar appears. Choose from 28 pre-built themes or design your own. With flexible styling, smooth animations, scheduling, and performance insights, it's easy to keep your visitors informed and engaged. more Sticky Announcement Bar: Add a fixed-position promo banner to any store page. Countdown Timer Bar: Create urgency with limited-time countdown timer banners. Scrolling Announcement Bar: Display moving marquee announcement banners easily. Rotating Announcement Bar: Feature multiple sliding promo banners on pages. Geo-Targeted Promo Bar: Easily schedule banners & target visitors by location.
Design your store with banner slider, video slider, slideshow, carousel & sections that convert Design a shopping experience that connects with banner slider, image slider, video slider, video banner, image slider, carousel, slideshow, hero sections to boost engagement. Increase sales with product slider, countdown timers, and promo banners. Build landing pages, coming soon pages, 404 pages, maintenance pages, hero sections, and more using a drag & drop editor. Choose from ready-made templates, and animations. Multilingual, RTL, and social-ready—built to convert visitors into loyal buyer Design a shopping experience that connects with banner slider, image slider, video slider, video banner, image slider, carousel, slideshow, hero sections to boost engagement. Increase sales with product slider, countdown timers, and promo banners. Build landing pages, coming soon pages, 404 pages, maintenance pages, hero sections, and more using a drag & drop editor. Choose from ready-made templates, and animations. Multilingual, RTL, and social-ready—built to convert visitors into loyal buyer more Create video banner, slideshow, testimonial, banner slider, carousel & sections Use 600+ ready made slider templates and addons to create slider in no time Add social proof & turn views into sales with YouTube, Vimeo, Instagram sliders Reach more customers with multilingual, RTL, and mobile-ready sliders Compatible with Shopify 2.0 online store themes and popular landing page builder
Clickable image & video slider, scheduled automatically. Add a clickable image slider, video slider, or mixed media slideshow to your store. Mix images and videos in the same slideshow, each fully clickable and linked to any product or collection. Schedule banner and video carousels to publish and expire automatically for sales and launches. Upload separate desktop and mobile images and videos for each slide, control autoplay, layout and styling. Add a clickable image slider, video slider, or mixed media slideshow to your store. Mix images and videos in the same slideshow, each fully clickable and linked to any product or collection. Schedule banner and video carousels to publish and expire automatically for sales and launches. Upload separate desktop and mobile images and videos for each slide, control autoplay, layout and styling. more Clickable Image & Video Sliders: Mix both in one slideshow, fully clickable Scheduled Banner Carousels: Set publication windows for hands-free control Mobile-Optimized Slideshow: Upload separate desktop and mobile media Custom Banner Design Control: Tailor slide rotation speeds and pagination styles
Help shoppers find what they mean with AI-powered search, smart filters, and instant results Filter products instantly by price, size, color, tag, vendor, brand, collection and metafields, etc. Easy to install and custom your Product filter menu. AI-powered search delivers more relevant results with intelligent synonyms, instant suggestions. Easy integrate with original search bar, theme filter, category filter. Your users are easier to find a right product with sidebar filter, filter collection. More over, you can use the app to display product variants as separate products Filter products instantly by price, size, color, tag, vendor, brand, collection and metafields, etc. Easy to install and custom your Product filter menu. AI-powered search delivers more relevant results with intelligent synonyms, instant suggestions. Easy integrate with original search bar, theme filter, category filter. Your users are easier to find a right product with sidebar filter, filter collection. More over, you can use the app to display product variants as separate products more Smart filter app to custom filter for different collection filter, category. Unlimited filter menu by tag, sale %, review, metafields, variants filter... AI-powered search and discovery solution. Year Make Model search AI semantic search, Full-text search, Auto-suggestion, Search Redirects etc. 9 Product recommendation types. Analytics with filter & search behavior report.
AI-powered personalized search, collection filter, and instant search with advanced analytics. Improve site conversion rates with advanced AI-powered search and collection filters. Return the best-matching products based on data attributes and context-aware analysis. Automatically detect the size, color, pricing, etc. Our app understands customer intent, extracts meaning from queries, and provides a high-quality balance of precision and recall. Our app works with any theme. Improve site conversion rates with advanced AI-powered search and collection filters. Return the best-matching products based on data attributes and context-aware analysis. Automatically detect the size, color, pricing, etc. Our app understands customer intent, extracts meaning from queries, and provides a high-quality balance of precision and recall. Our app works with any theme. more Cutting-edge AI-powered personalized search, collection filter, instant search Rule-based system to boost/bury products, merchandising & visitor segmentation Highly customizable UI & mobile ready solution. Lightning fast! Dynamic filters for collections, vendors, options, tags & metafields Powerful analytics
Create AI-powered size charts, size guides and “Find my size” quizzes in minutes Build size charts, size guides and fit quizzes in minutes with SmartSize AI and our modular editor. Bulk import / export all your size charts. Upload an image or start from templates for men, women, lingerie, kids, and pets. Add multi-tabs, AI translations, unit conversion, and international sizing. Turn on “Find my size” a size recommender. Customers answer once and are remembered across products and future visits. Buttons appear in the right place automatically—or our team handles it for you. Build size charts, size guides and fit quizzes in minutes with SmartSize AI and our modular editor. Bulk import / export all your size charts. Upload an image or start from templates for men, women, lingerie, kids, and pets. Add multi-tabs, AI translations, unit conversion, and international sizing. Turn on “Find my size” a size recommender. Customers answer once and are remembered across products and future visits. Buttons appear in the right place automatically—or our team handles it for you. more Import/ export. AI size chart upload. Templates for adults, lingerie, kids, pets Find my size AI fit quiz with customer measurement memory across every product Multi-language size charts and size quiz in + 25 languages. AI translations Drag-and-drop modules, automatic or floating button placement on any theme International size mapping with dropdown and automatic cm/inch unit conversion
Boost your sales and AoV with personalized & smart product recommendations, bundles, and promotions. Improve sales with smart recommendations, product bundles, and promotions with Lucid. It's easy to use, fast, and customizable, allowing you to bring Amazon-like features to your store and upsell like a pro. Customize the designs to match your store aesthetics and easily add discounts to your product bundles and promoted products for flash sales. Plus, with support for localization, you can upsell across the world. Don't miss out on boosting your sales and offering a personalized experience. Improve sales with smart recommendations, product bundles, and promotions with Lucid. It's easy to use, fast, and customizable, allowing you to bring Amazon-like features to your store and upsell like a pro. Customize the designs to match your store aesthetics and easily add discounts to your product bundles and promoted products for flash sales. Plus, with support for localization, you can upsell across the world. Don't miss out on boosting your sales and offering a personalized experience. more Effortless Setup: Associate, Choose Type, Customize Design to Match Store Design Experience the Power of Variant Options-Controlled Recommendations and Bundles Product Recommendations: Related Products, Shop the Look & Trending Products Product Bundles: Frequently Bought Together, Complementary Products & Discounts Product Promotion: Product Advertising, Flash Sales, Deals & Discounts
Turn TikTok & Instagram Feeds into shoppable videos that drive BFCM sales. Build trust and loyalty. Socialwidget (Instafeed PRO) - Display Instagram content — photos, videos & carousels on your store, converting social media posts into engaging product showcases. Socialwidget empowers you to create shoppable Instagram feeds that allow customers to shop directly from your posts, maximizing sales opportunities. Easily match your brand with custom social media feeds using our ready-made templates, optimized for all devices. Build trust, credibility, and smooth shopping experiences! Socialwidget (Instafeed PRO) - Display Instagram content — photos, videos & carousels on your store, converting social media posts into engaging product showcases. Socialwidget empowers you to create shoppable Instagram feeds that allow customers to shop directly from your posts, maximizing sales opportunities. Easily match your brand with custom social media feeds using our ready-made templates, optimized for all devices. Build trust, credibility, and smooth shopping experiences! more Create Instagram feeds on your website to increase social proof and engagement Tag products in Instagram media to make them shoppable on your store Show social media posts (photos & videos) with eye-catching layouts Sort posts from Instagram hashtags and public accounts to easily organize feeds Automatically drive fresh new content with auto-updating posts & videos
Improve conversion rates with monthly payment white label on-site messaging. As Splitit is completely different to all other buy now, pay later providers, it’s important to communicate to your shoppers that they can pay in installments, while they are still browsing your site. Flexible payment options can be the difference, and our white-label On-site messaging app integrates seamlessly across your site, offering tailored messages, transparent pricing, and banners. Leverage white-label customization for a stronger brand presence. As Splitit is completely different to all other buy now, pay later providers, it’s important to communicate to your shoppers that they can pay in installments, while they are still browsing your site. Flexible payment options can be the difference, and our white-label On-site messaging app integrates seamlessly across your site, offering tailored messages, transparent pricing, and banners. Leverage white-label customization for a stronger brand presence. more With our app you can let your shoppers know they can pay with installments. Communicate the benefits of paying over time throughout your customers journey. Control the look and feel of the app to match your brand
Product color swatches help customers choose the correct product. Using the Product color swatches app you can easily create multiple groups with different colors and custom images. Product swatches can be a single-color, two-color, product image, custom image, and pill text. App swatches group instantly loads on the product page and doesn’t slow down your product page. The app works with all types of themes. Using the Product color swatches app you can easily create multiple groups with different colors and custom images. Product swatches can be a single-color, two-color, product image, custom image, and pill text. App swatches group instantly loads on the product page and doesn’t slow down your product page. The app works with all types of themes. more Mange group with multiple product style swatches. Create single-color, two-color, custom image, product image, or pill swatches. Customize swatch label, out-of-stock, shape, and button style in appearance.
Leverage cart upsell offers to encourage customers to buy more: discount products, BOGO & free gift. Create cart upsell offers like Buy One Get One, free gifts, and custom discounts! Show customers an upsell popup after they click "Add to Cart," encouraging quicker purchases. Use Shopify AI for automatic upsell recommendations or set them up manually. Easily choose products for upsells and set conditions for applying offers. Boost sales with targeted, attention-grabbing upsell offers! Create cart upsell offers like Buy One Get One, free gifts, and custom discounts! Show customers an upsell popup after they click "Add to Cart," encouraging quicker purchases. Use Shopify AI for automatic upsell recommendations or set them up manually. Easily choose products for upsells and set conditions for applying offers. Boost sales with targeted, attention-grabbing upsell offers! more All kinds of upsell ideas to implement, from BOGO to free gifts. Advanced real-time analytics. Track your upsell campaigns to optimize offers. Fully customizable design. Adjust the popup to match your store theme. Smart upsell suggestions based on Shopify AI algorithms. Easy to set up. Create offers in minutes and start selling more right away.
Boost AOV by keeping your Add to Cart button visible. Stop losing shoppers mid-scroll. Keep your “Add to Cart” button always visible on product pages, home, or collections so customers never miss add to cart button. Easy to customise, fully responsive, and proven to increase conversions and average order value (AOV). Stop losing shoppers mid-scroll. Keep your “Add to Cart” button always visible on product pages, home, or collections so customers never miss add to cart button. Easy to customise, fully responsive, and proven to increase conversions and average order value (AOV). more Sticky Add to Cart — Visible on scroll to boost conversions! Seamless Customisation — Branding, Display, Texts, Features. Homepage Display — Turn homepage traffic into sales. Optimised UX — A seamless cart experience across all devices. Smart Add-ons: Variants, quantities, translations, scroll triggers, and more.
Sticky Add to Cart, Cart Drawer, Buy Now Button & Instant Checkout Increase conversions with a Sticky Add to Cart button, Cart Drawer, Buy Now button, and Instant Checkout. Let shoppers add products without page reloads, open a beautiful slide cart, or skip directly to checkout with one click. Increase conversions with a Sticky Add to Cart button, Cart Drawer, Buy Now button, and Instant Checkout. Let shoppers add products without page reloads, open a beautiful slide cart, or skip directly to checkout with one click. more Sticky Add to Cart button on every product page Add to Cart from Collection pages without page navigating Buy Now button with instant checkout Slide Cart / Cart Drawer for faster shopping Floating Sticky Cart on desktop & mobile
When the customer scrolls the page, Sticky ATC makes potential users pay attention to your products. Increase your revenue by having a smart sticky product bar, which will make potential customers pay attention to your products. Our Sticky Add To Cart app will know when the customer tends to scroll up & is looking to add product to the cart. It appears at just the right time, in the right place. This is for the ultimate convenience while still keeping customers focused on the main contents, like description, features…etc. you can modify everything you want to match your online store perfects. Increase your revenue by having a smart sticky product bar, which will make potential customers pay attention to your products. Our Sticky Add To Cart app will know when the customer tends to scroll up & is looking to add product to the cart. It appears at just the right time, in the right place. This is for the ultimate convenience while still keeping customers focused on the main contents, like description, features…etc. you can modify everything you want to match your online store perfects. more Modify everything you want to match your online store perfectly. Auto encloses to any themes, including the most popular themes on the market. Sticky Add to Cart button behavior can same as the default product add to cart Homepage and Support multi stores, currencies, and languages (Automatically) Fast CDN based performance + Integrate with google analytics
Add a sliding cart drawer and motivate your customers to unlock different types of rewards. With the shopping cart app, you can level up cart to a sticky cart drawer instead of the default store cart. The slider cart offer helps you to create exciting deals. Cart x has a consistent cart, better cart & mini cart, offering more than Shopify cart drawer. Experience fast cart popup with stickey cart and manage orders with Bulk Cart. Simplify Sticky Add to Cart slider with a suite of Cart Apps. Alternative to: Uplinky Sticky Cart, UpCart Cart Drawer, Upcart Drawer, Monster Cart. With the shopping cart app, you can level up cart to a sticky cart drawer instead of the default store cart. The slider cart offer helps you to create exciting deals. Cart x has a consistent cart, better cart & mini cart, offering more than Shopify cart drawer. Experience fast cart popup with stickey cart and manage orders with Bulk Cart. Simplify Sticky Add to Cart slider with a suite of Cart Apps. Alternative to: Uplinky Sticky Cart, UpCart Cart Drawer, Upcart Drawer, Monster Cart. more Set personalized Cart Messages, dynamic Cart Goals & Cart Rules to boost sales. X cart stick with progress bar, cart upsell & Shopify cart abandonment. Discount cart, In Cart Upsell, Drawer Cart Notes, Slide Cart Sticky Cart Drawer Create a sense of urgency with Scarcity Timer Cart in carrello. Create seamless shopping for your customers with Slide a Cart & Cross Cart.
More Conversions w/ Sticky Add to Cart, Quick Buy Now Button, Cart Slider, Sticky Cart & Cart Upsell Maximize cart conversions on your Shopify store with STKY Sticky Add To Cart. Ensure Add to Cart is always visible, reducing cart abandonment. Countdown Timer urgency feature converts even more! Quick Buy Button enables swift orders directly on product pages. The Sticky Checkout Bar gives a cart overview, helping checkout. With our Ajax Slider Cart Drawer, even upsell & cross-sell additional products & increase AOV. Sticky Cart, Quick Buy, Buy Now Button & Add To Cart Bar maximize Shopify sales! Maximize cart conversions on your Shopify store with STKY Sticky Add To Cart. Ensure Add to Cart is always visible, reducing cart abandonment. Countdown Timer urgency feature converts even more! Quick Buy Button enables swift orders directly on product pages. The Sticky Checkout Bar gives a cart overview, helping checkout. With our Ajax Slider Cart Drawer, even upsell & cross-sell additional products & increase AOV. Sticky Cart, Quick Buy, Buy Now Button & Add To Cart Bar maximize Shopify sales! more Sticky Add To Cart Bar & Sticky Cart - now with Countdown Timer for urgency Sticky Cart Icons & Add To Cart Bar - always in view for quick checkout Quick Buy Button & Buy Now Button - help shoppers complete purchase quickly Slider Cart Drawer w/Upsells - upsell & cross sell products to increase revenue Quick View, Quick Buy & Buy Now - view, add to cart, or buy with just 1 click
Easily create a powerful, customizable, mobile-friendly store & dealer locator map. Stockist makes it simple to add a searchable store map to your site. Our thoughtfully designed store locator can help increase your in-store sales, reduce customer support inquiries, and build trust in your brand. It's a great way to highlight your stores, retailers, dealers, and more. Plus, our insightful search analytics show exactly where customers are looking for your products. We invite you to try Stockist and see why our service is the trusted solution for your store or retailer map. Stockist makes it simple to add a searchable store map to your site. Our thoughtfully designed store locator can help increase your in-store sales, reduce customer support inquiries, and build trust in your brand. It's a great way to highlight your stores, retailers, dealers, and more. Plus, our insightful search analytics show exactly where customers are looking for your products. We invite you to try Stockist and see why our service is the trusted solution for your store or retailer map. more Manage store listings one-by-one, import a spreadsheet, or sync a Google Sheet Customize colors, layout, translations, search options, and more Instantly show nearby results via geolocation and as the map is moved Insightful analytics show where customers are looking for your products Create unlimited search filters so customers can find exactly what they need
Easily display your inventory to your customers on product pages. You will be able to display the inventory information of any product per location on your product pages and set your business hours up so that your customers know when you are open. You can easily customize its styles, appearance, and so on to your store. You will be able to display the inventory information of any product per location on your product pages and set your business hours up so that your customers know when you are open. You can easily customize its styles, appearance, and so on to your store. more Display stock, product availability or inventory information on product pages. Display inventory like "In stock", "Out of stock" etc, or "5 in stock". Add your trading or business hours per location. Customize it to your store's appearance, or change it just like you want.
Create AI FAQ pages, product FAQs, FAQ schema, instant answers & live chat with AI Chatbot StoreFAQ helps merchants build SEO-friendly FAQ pages, product FAQs, FAQ accordions, and an AI Chatbot for instant customer support. Create answers faster with AI, organize FAQs with a drag-and-drop builder, and display them anywhere: FAQ page, product page, collection page, or custom page. Add FAQ schema/JSON-LD to improve search visibility, use the AI Chatbot, Instant Answer, and Live Chat to answer shoppers in real time, and reduce repetitive support tickets without a heavy helpdesk setup. StoreFAQ helps merchants build SEO-friendly FAQ pages, product FAQs, FAQ accordions, and an AI Chatbot for instant customer support. Create answers faster with AI, organize FAQs with a drag-and-drop builder, and display them anywhere: FAQ page, product page, collection page, or custom page. Add FAQ schema/JSON-LD to improve search visibility, use the AI Chatbot, Instant Answer, and Live Chat to answer shoppers in real time, and reduce repetitive support tickets without a heavy helpdesk setup. more Reduce support tickets with AI-generated FAQs and instant answers Add FAQ schema / JSON-LD for SEO with product FAQ content and structured answers Answer product queries in real time with AI Chatbot and Live Chat Export or Import FAQs easily & build your customer help center instantly Write answers instantly for Frequently Asked Questions with the help of AI
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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.