Hide/Unpublish sold-out & unavailable variants effortlessly from product pages, search & filters Sold-out and unavailable variants clutter your product pages, frustrate shoppers, and end up costing you sales. Camouflage cleans this up to create a smoother shopping experience for your customers. Now with instant variant hiding: Camouflage can unpublish sold-out or unavailable variants from your sales channels, making them disappear from product pages, search results, collection filters to help you create smarter, and cleaner storefront. Sold-out and unavailable variants clutter your product pages, frustrate shoppers, and end up costing you sales. Camouflage cleans this up to create a smoother shopping experience for your customers. Now with instant variant hiding: Camouflage can unpublish sold-out or unavailable variants from your sales channels, making them disappear from product pages, search results, collection filters to help you create smarter, and cleaner storefront. more Unpublish, hide, disable or strike-through sold-out & unavailable variants Hide/Unpublish any variants with conditions, regardless of inventory Unpublish variants from sales channels of your choice, B2B catalogs and markets Unpublish variants for B2B customers, and from markets Set schedule for unpublishing or hiding of variants
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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We've analyzed thousands of custom css apps to identify the top performers based on ratings and install counts.
View Best Custom CSS AppsAI-powered upsell & cross-sell app with built-in cart drawer. From product page to post-purchase. Candy Rack displays upsell and cross-sell offers at every stage of the buying journey – product page, cart, checkout, and post-purchase. AI automatically suggests the most relevant products to boost your AOV, now powered by your choice of recommendation engine, including Google Gemini. The app also comes with a fast, built-in cart drawer with advanced features like a rewards bar. Built in the EU, no sensitive data collected, fully GDPR-compliant. Candy Rack displays upsell and cross-sell offers at every stage of the buying journey – product page, cart, checkout, and post-purchase. AI automatically suggests the most relevant products to boost your AOV, now powered by your choice of recommendation engine, including Google Gemini. The app also comes with a fast, built-in cart drawer with advanced features like a rewards bar. Built in the EU, no sensitive data collected, fully GDPR-compliant. more Offers in multiple placements: Product pages, cart, checkout, and post-purchase. [NEW] AI mode: Selects relevant upsell products – now with Google Gemini. Cart drawer: Fast slide-out cart with built-in upsell offers and rewards. A/B testing: Test and optimize your offers to perfection (via Intelligems). Bespoke design: Offers look like a native part of your store – on any device.
Easily create irresistible pop-ups and post purchase upsells in order to increase your revenue Cart X is a one click upsell app that allows you to add & manage upsell & cross-sell funnels to reconvert customers. We offer one click upsells (OCU), Pop-up and thank you page in-cart offers. We will help you to Boost your Revenue, Conversion Rate & Average Order Value (AOV). Get your customers rebuy and resell your products easily. Add upsell recommendations, downsells, recharge cross sell, order bump, post checkout upsell, Checkout X upsell, reorder upsells or Free gift with any purchase. Cart X is a one click upsell app that allows you to add & manage upsell & cross-sell funnels to reconvert customers. We offer one click upsells (OCU), Pop-up and thank you page in-cart offers. We will help you to Boost your Revenue, Conversion Rate & Average Order Value (AOV). Get your customers rebuy and resell your products easily. Add upsell recommendations, downsells, recharge cross sell, order bump, post checkout upsell, Checkout X upsell, reorder upsells or Free gift with any purchase. more Add cart pop-up aftersell and Post purchase vitals offers with countdown Easy drag & drop thank you page builder with cross-sell, coupon & discount Reconverting One Click Upsell (OCU), Thank You Page, Checkout Upsell & popup Our analytics allows you to track the best performing funnels & products Sell complementary products, warranties, BOGO, Bundles, Crosells, Upsells & more
Maximize your store's revenue with cart drawer upsells, exclusive rewards, and seamless add-ons! Maximize your sales effortlessly with cart drawer upsells, rewards, and add-ons. Our app helps merchants elevate their AOV by offering personalized upsells and incentives directly in the cart. Seamlessly integrate rewards and add-ons to enhance the shopping experience and encourage higher spending. Designed for flexibility, our solution ensures a smooth, on-brand experience that keeps customers engaged while driving more revenue. Optimize checkout flow in minutes focus on scaling. Maximize your sales effortlessly with cart drawer upsells, rewards, and add-ons. Our app helps merchants elevate their AOV by offering personalized upsells and incentives directly in the cart. Seamlessly integrate rewards and add-ons to enhance the shopping experience and encourage higher spending. Designed for flexibility, our solution ensures a smooth, on-brand experience that keeps customers engaged while driving more revenue. Optimize checkout flow in minutes focus on scaling. more Add in-cart upselling and cross-selling blocks to maximize your AOV. Drive more purchases with a built-in rewards system and exclusive incentives. Apply add-ons like shipping protection, gift wrapping, and warranties.
Boost AOV with CartyLabs: In-Cart Upsell, Free Gifts, Rewards & Shipping Bar, Countdown & More Cartylabs Upsell In-Cart supercharges store sales and engagement!. Turn every add-to-cart into revenue with AI-powered Upsell Recommendations, Subscribe & Save, Rewards & Shipping Bars, and Countdown deal. Entice shoppers with Gift Offers, Promo codes, Auto discounts, and more. Build trust with Shipping Estimates and and Ship Protection. Skyrocket Sales with Sticky Add-to-Cart & Quick Buy Now. Enjoy seamless third-party app and theme integrations, real-time analytics, and exceptional support! Cartylabs Upsell In-Cart supercharges store sales and engagement!. Turn every add-to-cart into revenue with AI-powered Upsell Recommendations, Subscribe & Save, Rewards & Shipping Bars, and Countdown deal. Entice shoppers with Gift Offers, Promo codes, Auto discounts, and more. Build trust with Shipping Estimates and and Ship Protection. Skyrocket Sales with Sticky Add-to-Cart & Quick Buy Now. Enjoy seamless third-party app and theme integrations, real-time analytics, and exceptional support! more AI-Upsell Cart: Recommendations Upsells, Rewards, Countdown Deals, Free Gift. Skyrocket Sales with Subscription, Promo, Gift Wrap, Shipping Protection & More Reduce Abandonment with Upsell Offers, Sticky Cart & Cart Reminder Tab Features Boost Sales & Conversions with Quick Buy Now and Sticky Add to Cart Bar Customizable & Personalized Shopping with Real-Time Analytics Behavior& Tracking
PDF catalog maker for wholesale & retail: catalogs, line sheets & price lists with order forms Create professional PDF catalogs for wholesale and retail in minutes. Import Shopify products in one click and build catalogs, line sheets, and price lists with wholesale pricing and order forms — perfect for trade shows and B2B sales. Add variant tables, metafields, QR/barcodes, swatches, and Canva content in A4 or Letter. Convert any catalog into an interactive flipbook customers can order from, share one cloud link that always stays updated, or print it. No design skills needed. Create professional PDF catalogs for wholesale and retail in minutes. Import Shopify products in one click and build catalogs, line sheets, and price lists with wholesale pricing and order forms — perfect for trade shows and B2B sales. Add variant tables, metafields, QR/barcodes, swatches, and Canva content in A4 or Letter. Convert any catalog into an interactive flipbook customers can order from, share one cloud link that always stays updated, or print it. No design skills needed. more PDF catalog maker, wholesale/retail catalog maker, line sheet, inventory list Use catalog as wholesale channel with wholesale order form & wholesale prices Show variants in table or as separate product - SYNC data in 1 click Metafields, QR/Barcodes... Import products from b2b catalogs & price lists CANVA integration and export. SYNC images & prices in PDF catalog in a 1 min
Reward spend and engagement between purchases. Tailored to your brand and loved by members. Redefine what customer loyalty means for your brand. Reward purchases and keep members engaged between orders with activities, competitions, and challenges. Tailor your points and tier system with sophisticated rules inspired by programs your customers recognize. Reward any activity with multiple rewards and craft a rewards shop where members can use their points. Full design control for widgets across every part of your program. Auto-localized across Shopify Markets and separate Shopify stores. Redefine what customer loyalty means for your brand. Reward purchases and keep members engaged between orders with activities, competitions, and challenges. Tailor your points and tier system with sophisticated rules inspired by programs your customers recognize. Reward any activity with multiple rewards and craft a rewards shop where members can use their points. Full design control for widgets across every part of your program. Auto-localized across Shopify Markets and separate Shopify stores. more Reward orders in any currency. Tailor points, tiers & milestones to your brand. Run competitions and 50+ activities to engage customers between purchases Profiles & zero-party data: Define, collect, and use member preferences and data Reward any action with discounts, free products, badges, and custom rewards Full design control and automatic localization of every widget for every market
Customize your Thank you and Order status pages. Only Plus merchants can customize checkout. Checkout Builder gives Shopify Plus merchants full control over Checkout with high-converting, extensible blocks. Add upsells, cross-sells, trust badges, custom messaging, dynamic content, and conditional logic—no code required. Built on Shopify Checkout Extensibility, it’s fast, secure, upgrade-safe, and fully compatible with Shopify updates. Design smarter checkout experiences that increase AOV, reduce friction, and convert more customers. Checkout Builder gives Shopify Plus merchants full control over Checkout with high-converting, extensible blocks. Add upsells, cross-sells, trust badges, custom messaging, dynamic content, and conditional logic—no code required. Built on Shopify Checkout Extensibility, it’s fast, secure, upgrade-safe, and fully compatible with Shopify updates. Design smarter checkout experiences that increase AOV, reduce friction, and convert more customers. more Drag-and-drop checkout blocks built on Shopify Checkout Extensibility Upsells and cross-sells to increase AOV at the point of purchase Conditional logic to show content based on cart, customer, or order Add trust badges, custom text, and branded content to checkout Fast, secure, and upgrade-safe with full Shopify Plus compatibility
Show terms and conditions, return and refund policy on cart page so that there are less chargebacks You can see date and time when the customer has accepted terms. Customize Behaviour how you would like to show terms or refund policy: You can show it in new tab or popup Just install app and configure it in theme customization page. No theme code is modified by the app, it is using latest app blocks feature. You can see date and time when the customer has accepted terms. Customize Behaviour how you would like to show terms or refund policy: You can show it in new tab or popup Just install app and configure it in theme customization page. No theme code is modified by the app, it is using latest app blocks feature. more No Code Required: Store when the terms were accepted within Order page Pop Up Support: Use existing page or create new one and show in pop-up. Customization: Customise the behaviour easily with ultimate options in app. Side Cart Support: Support on cart and side cart page.
Your all-in-one solution for Sweepstakes. Get set up in minutes with customizable widgets! Reward customers for every purchase made, turning everyday transactions into exciting opportunities to win. Set up a sweepstake in minutes with our widgets, banners, and checkout extensions. Encourage higher spending by offering bonus entries at spending criterias. Leverage our referral program, Every shopper receives a personalized referral code to share, helping you attract new buyers organically through word-of-mouth. No coding or product metadata workarounds required. Reward customers for every purchase made, turning everyday transactions into exciting opportunities to win. Set up a sweepstake in minutes with our widgets, banners, and checkout extensions. Encourage higher spending by offering bonus entries at spending criterias. Leverage our referral program, Every shopper receives a personalized referral code to share, helping you attract new buyers organically through word-of-mouth. No coding or product metadata workarounds required. more No-Code customization widgets and banners for seamless integration Purchase-based giveaways configurable (e.g. $1 spent = 1 entry) Upsell customers with spend-based rewards (e.g. spend $100+ unlock more entries) Referral program to turn loyal customers into brand advocates! Send branded post-purchased emails with sweepstake details & referral codes
Make any banner or hero image clickable and schedule start/end dates for promos. No coding needed. Add clickable image banners to your store in minutes! Link your full hero banner, split banner, or promotional images directly to any product, collection, page, or external URL. Use separate images for desktop and mobile banners with individual links. Schedule banners to go live and expire automatically, swap banners automatically directly in customizer, so sale and seasonal promotions swap out on time without manual edits. Add clickable image banners to your store in minutes! Link your full hero banner, split banner, or promotional images directly to any product, collection, page, or external URL. Use separate images for desktop and mobile banners with individual links. Schedule banners to go live and expire automatically, swap banners automatically directly in customizer, so sale and seasonal promotions swap out on time without manual edits. more Link any banner image to a product, collection, page, or external URL instantly Split banners with 2 images side by side, each with its individual link Schedule banners to publish and unpublish on a start and end date automatically Separate desktop and mobile banners, with full-width or boxed layouts Add sticky banners, text overlays, and buttons — zero coding required
Drive in-store sales with quality, design, and customization worthy of your brand Closeby makes it easy to create a store locator that perfectly matches your brand. It's how online customers become in-store sales for Shopify businesses with physical locations. Closeby makes it easy to create a store locator that perfectly matches your brand. It's how online customers become in-store sales for Shopify businesses with physical locations. more Configurable: 50+ settings Easy setup: no design or engineering experience required Extensive customization: select design options that best express your brand Beautiful UX: Mobile-friendly, feature-rich and easy to use for customers Integrated: Sync with Google Sheets and Google Analytics for teams
Create fully customizable, mobile-friendly comparison tables for your store Comparing features between multiple products, plans, or offers is a key step in every shopper’s decision process. With Comparison Tables by Common Ninja, you can create clean, responsive tables that present features, specs, and prices side-by-side. Customize the design to match your store, highlight key differences, add call-to-action buttons, and guide customers toward the right choice quickly and confidently. Comparing features between multiple products, plans, or offers is a key step in every shopper’s decision process. With Comparison Tables by Common Ninja, you can create clean, responsive tables that present features, specs, and prices side-by-side. Customize the design to match your store, highlight key differences, add call-to-action buttons, and guide customers toward the right choice quickly and confidently. more Advanced search & sort to help customers quickly find and compare key details. Floating headers keep column and row titles visible while scrolling long tables. Pagination for easy navigation through long, data-rich comparison tables. Import CSV files instantly and turn them into ready-to-use comparison tables. Fully responsive design that adapts beautifully to desktop, tablet, and mobile.
Boost Your Sales with COD Order Form! Add Discounts, Upsells & More to Maximize Sales! Supercharge your cash-on-delivery store with CodMonster! Enjoy a fast shopping experience with our 1-click customizable COD form. Boost your Average Order Value (AOV) through smart Upsell and Cross-Sell offers while recovering abandoned carts. Track ad performance on Facebook, TikTok, and Google with multi-pixel tracking. Easily integrate with partners like CODPartner and CODNetwork. Take control of your sales and watch your business grow with CodMonster’s powerful, user-friendly tools today! Supercharge your cash-on-delivery store with CodMonster! Enjoy a fast shopping experience with our 1-click customizable COD form. Boost your Average Order Value (AOV) through smart Upsell and Cross-Sell offers while recovering abandoned carts. Track ad performance on Facebook, TikTok, and Google with multi-pixel tracking. Easily integrate with partners like CODPartner and CODNetwork. Take control of your sales and watch your business grow with CodMonster’s powerful, user-friendly tools today! more Customizable Popup/Embedded Form: Create flexible COD forms with field control. Upsell & Cross-Sell Offers: Boost AOV with one-click upsells and quantity offers Multi-Pixel Tracking: Track ads on Facebook, TikTok, Snapchat, and Google. Google Sheets Integration: Sync orders with Google Sheets, Shopify, and apps. Order Limits & Restrictions: Limit orders and restrict form display by country.
Sticky, Scrolling & Animated Announcement Bar for Flash Sales & Promotions Add powerful announcement bars to your store in minutes — no code needed. Choose from sticky headers, smooth scrolling marquees, rotating carousels, or animated sliding bars. Display flash sale countdowns, shipping offers, and promo codes exactly where shoppers look. Target by location, page, or schedule to show the right message at the right time. Each bar includes a customizable call-to-action button to drive clicks and conversions. Works perfectly on mobile and desktop. Add powerful announcement bars to your store in minutes — no code needed. Choose from sticky headers, smooth scrolling marquees, rotating carousels, or animated sliding bars. Display flash sale countdowns, shipping offers, and promo codes exactly where shoppers look. Target by location, page, or schedule to show the right message at the right time. Each bar includes a customizable call-to-action button to drive clicks and conversions. Works perfectly on mobile and desktop. more Sticky & Scrolling Bars: Keep promos visible with marquee or fixed header bars Rotating Carousel: Cycle multiple offers with smooth animated transitions Geo & Page Targeting: Show location-based offers on specific store pages Scheduling & CTA Button: Set sale dates and drive clicks with action buttons Mobile Responsive & Multi-Bar: Run multiple bars, perfectly on every device
Reduce Variants Options Selection time with Variant Image Swatch, Color Swatch, Swatch on Collection BOOST CONVERSION with Swatch King. Variant image as swatch helps in QUICK COMPARISON of product options. Colour swatches on the collection page make BROWSING SEAMLESS. Price & badges on variant options help in QUICK DECISION. Hide out of stock variants. Choose & customise the variant selector style from a library of color swatches, buttons, etc. Upload color swatches in bulk with CSV. Automate swatches with supaeasy variant image swatch. Talk to our product variations experts for free app setup. BOOST CONVERSION with Swatch King. Variant image as swatch helps in QUICK COMPARISON of product options. Colour swatches on the collection page make BROWSING SEAMLESS. Price & badges on variant options help in QUICK DECISION. Hide out of stock variants. Choose & customise the variant selector style from a library of color swatches, buttons, etc. Upload color swatches in bulk with CSV. Automate swatches with supaeasy variant image swatch. Talk to our product variations experts for free app setup. more Variant Swatches: Color swatches, Custom image swatch, Variant image swatch Variant Picker: Show as Swatches, Buttons & Dropdowns with price, Label & Badges Variants on Collections Page: Add color or size swatches on collections page Bulk upload color swatches. Hide out of stock variants. Split Product Variants Works with Shopify Markets, B2B, Size charts, Filter & Search, Recommendations
Collect product details, schedule dates, and price options before checkout COLY helps with adding required product forms to selected Shopify products. Customers fill in the details before checkout, and the answers follow the order so fulfillment teams can pack, personalize, export, price, and support the order with fewer follow-up messages. COLY helps with adding required product forms to selected Shopify products. Customers fill in the details before checkout, and the answers follow the order so fulfillment teams can pack, personalize, export, price, and support the order with fewer follow-up messages. more 12 field types: Textfield, select, date picker, radio box, checkbox & more Schedules: Date rules for delivery, pickup & appointments Display conditions: Display on selected product by product, vendor, type and tag Export order line properties to CSV or XLSX excel file Checkout rules: Collect extra service fees, tax & dynamic pricing
Stop sending paid traffic to PDPs. Build dedicated checkout funnels that convert. Sending paid social traffic to your PDP or homepage limits conversion potential. Comet lets you build campaign-specific checkout-stores — dedicated landing pages, bespoke product pages & checkout flows that match your campaign. Products, inventory, and orders sync with Shopify automatically. Each store gets its own URL and tracking. Brands using Comet see major improvements in CAC and conversion rates. Build your first funnel in minutes with drag-and-drop or let AI generate it from your ad. Sending paid social traffic to your PDP or homepage limits conversion potential. Comet lets you build campaign-specific checkout-stores — dedicated landing pages, bespoke product pages & checkout flows that match your campaign. Products, inventory, and orders sync with Shopify automatically. Each store gets its own URL and tracking. Brands using Comet see major improvements in CAC and conversion rates. Build your first funnel in minutes with drag-and-drop or let AI generate it from your ad. more Stop sending ad traffic to your homepage. Give each campaign its own funnel. Products, inventory, and orders sync automatically with your Shopify store. A/B test page variants and route traffic to the winner automatically. Built-in Meta and TikTok pixel tracking. See conversions per campaign.
Banners, Bars, Notifications, Promotions, Announcements, Events ... It's never been easier. Keeping your customers engaged and informed with new business updates and special events is a key element of managing customer relationships. Showing a banner on your website is a simple and effective way of doing this. And Como Banner can help you get it done in seconds. It's never been easier. Let promotions reach your visitors. Convert them into paying customers and generate more sales. Fully customizable to fit your theme. Works perfectly across different screens. Easy to use. Keeping your customers engaged and informed with new business updates and special events is a key element of managing customer relationships. Showing a banner on your website is a simple and effective way of doing this. And Como Banner can help you get it done in seconds. It's never been easier. Let promotions reach your visitors. Convert them into paying customers and generate more sales. Fully customizable to fit your theme. Works perfectly across different screens. Easy to use. more Setup your banners by a few clicks. Create as many as you want. Customize everything on the banner to fit your store theme. Choose how and where to display your banners. Fully responsive, optimized for all screen sizes, desktop, tablet, and mobile. Add one or two action buttons as needed. Keep showing or make it closable.
Help customers compare products and pick the best option with simple and clean specs tables. Introducing CompareXpert: Your ultimate e-commerce companion. Our app simplifies product comparisons, increases conversions, and boosts organic traffic. Perfect for all online merchants, it streamlines the shopping process, making it easier for customers to choose the correct product, ultimately driving sales and growth. Introducing CompareXpert: Your ultimate e-commerce companion. Our app simplifies product comparisons, increases conversions, and boosts organic traffic. Perfect for all online merchants, it streamlines the shopping process, making it easier for customers to choose the correct product, ultimately driving sales and growth. more Smart Product Comparisons: Compare products and provide tailored insights. SEO-Boosted Content: Create SEO-rich comparison content for site traffic. Custom Templates: Tailor tables to match your brand's style. Dynamic Linking: Connect popular and related comparisons for easier navigation.
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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.