Countdown timer bar, announcement bar & FOMO popup for flash sales, BFCM, launches & cart urgency Oxify Countdown Timer Bar adds a countdown timer bar, announcement bar & urgency popup to create FOMO and drive action. Run fixed-date timers for Black Friday, Cyber Monday & product launches, evergreen timers that reset per visitor, daily recurring timers for shipping cut-offs, or session timers for cart urgency. Place on product, cart, drawer, landing or collection pages. Target by country, language, customer tags, collection, vendor & device. No code, mobile-friendly, theme-ready. Oxify Countdown Timer Bar adds a countdown timer bar, announcement bar & urgency popup to create FOMO and drive action. Run fixed-date timers for Black Friday, Cyber Monday & product launches, evergreen timers that reset per visitor, daily recurring timers for shipping cut-offs, or session timers for cart urgency. Place on product, cart, drawer, landing or collection pages. Target by country, language, customer tags, collection, vendor & device. No code, mobile-friendly, theme-ready. more Countdown timer bar, announcement bar & urgency popup on product & cart pages Fixed-date, evergreen, daily & session timers for BFCM, flash sales & launches Geo-target by country, language, tags, collection, vendor & device — no code Built-in templates with full color, font, animation & schedule customization Lightweight, mobile-friendly & compatible with Dawn, Horizon & all OS 2.0 themes
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.
Looking for the Top Custom CSS Apps?
We've analyzed thousands of custom css apps to identify the top performers based on ratings and install counts.
View Best Custom CSS Apps
Build landing, product and collection pages with AI. Find what costs you sales. A/B test the fix. PageFly is an AI CRO funnel builder and AI page builder for Shopify. Build your home page, product page, collection page, landing page and custom page with AI, a drag and drop page editor or templates. Then improve each funnel step: AI Page Checkup finds what costs you sales, FlyMate fixes sections by prompt, and A/B tests, heatmaps and funnel analytics show what works. The PageFly MCP connector works in Claude, ChatGPT and Sidekick. Localize per Shopify Market. Cart drawer with upsells (beta). PageFly is an AI CRO funnel builder and AI page builder for Shopify. Build your home page, product page, collection page, landing page and custom page with AI, a drag and drop page editor or templates. Then improve each funnel step: AI Page Checkup finds what costs you sales, FlyMate fixes sections by prompt, and A/B tests, heatmaps and funnel analytics show what works. The PageFly MCP connector works in Claude, ChatGPT and Sidekick. Localize per Shopify Market. Cart drawer with upsells (beta). more Build pages from a prompt with FlyMate AI, or drag and drop from templates AI Page Checkup scores each page and shows what's costing you sales Works in Claude, ChatGPT and Sidekick via MCP: build and publish pages by chat. A/B test pages, see click heatmaps and where your sales funnel drops off Cart drawer (beta): Upsells, bundles, and shipping goals inside the cart.
Our app takes product images from your store and converts these images into a beautiful gallery Most gallery apps, upload the images in the gallery, but our app syncs your product images so you can make your gallery without doing anything much, just configure the settings according to your requirements and your gallery is ready to install in your store. Panda Gallery is simple to create and configure. Set up is quick! installing and getting your gallery live on your site will take no time at all. # Multiple galleries supported #Quick View Box #Most Viewed Products #Product Image Slider Most gallery apps, upload the images in the gallery, but our app syncs your product images so you can make your gallery without doing anything much, just configure the settings according to your requirements and your gallery is ready to install in your store. Panda Gallery is simple to create and configure. Set up is quick! installing and getting your gallery live on your site will take no time at all. # Multiple galleries supported #Quick View Box #Most Viewed Products #Product Image Slider more Convert your product images with stunning galleries, Fast-loading image gallery You can make the product image slider using Carousel & add any page in store Display the Quick View Box on products so that visitors can easily add to cart Display Most Viewed Products, you can make a gallery of the most viewed products You can embed multiple galleries on one page & section of your store.
GDPR/CCPA banner, WCAG accessibility & EU Withdrawal button to keep your Online Store 2.0 compliant. Protect your store with the premier compliance suite for global Privacy Laws, Web Accessibility (ADA/WCAG), and EU Withdrawal process. As a Shopify Plus Partner and Google/Microsoft Certified CMP, we ensure your store is compliant with 24/7 live support. We offer GDPR, CCPA, etc banners, also an Accessibility Widget for inclusive browsing and a Withdrawal Module. Integrated with Google Consent Mode v2, IAB TCF v2.4, & Shopify Privacy API. Best for Online Store 2.0 and hydrogen / headless stores. Protect your store with the premier compliance suite for global Privacy Laws, Web Accessibility (ADA/WCAG), and EU Withdrawal process. As a Shopify Plus Partner and Google/Microsoft Certified CMP, we ensure your store is compliant with 24/7 live support. We offer GDPR, CCPA, etc banners, also an Accessibility Widget for inclusive browsing and a Withdrawal Module. Integrated with Google Consent Mode v2, IAB TCF v2.4, & Shopify Privacy API. Best for Online Store 2.0 and hydrogen / headless stores. more Add a GDPR Cookie Banner via Checkout and Theme App Extensions for OS 2.0 Show multilingual cookie banners and Accessibility Widget text to your customers Collect your customers' data requests, send email alerts, and export DSAR CSV Schedule cookie scans detecting scripts, classify cookies, and import/export CSV Google Certified CMP & Microsoft Certified CMP with TCF v2.4 and Consent Mode
Transform your store with Make, Model, Year search for an efficient shopping experience. Enable Make, Model, Year, and optional Submodel search to enhance customer convenience and increase sales. This feature helps shoppers quickly find the right products for their vehicles. With persistent vehicle filtering, customers’ selections are saved across sessions, ensuring they always see relevant products. Simplify product management with easy bulk data import via CSV/Excel, and allow customers to save their preferred vehicles in 'My Garage' for faster future shopping Enable Make, Model, Year, and optional Submodel search to enhance customer convenience and increase sales. This feature helps shoppers quickly find the right products for their vehicles. With persistent vehicle filtering, customers’ selections are saved across sessions, ensuring they always see relevant products. Simplify product management with easy bulk data import via CSV/Excel, and allow customers to save their preferred vehicles in 'My Garage' for faster future shopping more Make, Model, Year collection filtering with Submodel support Persistent vehicle filtering Bulk data importing via CSV/Excel Save vehicles to 'My Garage'
Provide visitors with the option to accept or decline cookies with customizable Cookie bar. In the digital market sphere, your online store's compliance with Europe's GDPR (General Data Protection Regulation) is of vital importance. Pasilobus EU Cookie Bar simplifies this process. Unlike confusing alternatives, it is user-friendly and does not slow down your store. It complies with GDPR, CCPA (California Consumer Privacy Act), and VCDPA (Virginia Consumer Data Protection Act), bolstering your store's global credibility. In the digital market sphere, your online store's compliance with Europe's GDPR (General Data Protection Regulation) is of vital importance. Pasilobus EU Cookie Bar simplifies this process. Unlike confusing alternatives, it is user-friendly and does not slow down your store. It complies with GDPR, CCPA (California Consumer Privacy Act), and VCDPA (Virginia Consumer Data Protection Act), bolstering your store's global credibility. more Cookie bar for GDPR to comply with EU regulations & California Privacy Act Fully customizable cookie bar that matches the style of your store. Supersonic mode so that the speed of your store is not affected. Automated styling - Picks up your store’s font and design. One-click installation, no coding required.
Real-time social proof. Live visitors, cart activity, sales popups and recently viewed products. Help customers buy with confidence using real-time social proof on product pages. Display live visitor counts, cart activity, sales totals, and purchase popups powered by actual store data, not fake numbers. Includes a recently viewed widget with cross-device sync so returning customers pick up where they left off. Counters update instantly. Works with any theme through drag-and-drop blocks. Help customers buy with confidence using real-time social proof on product pages. Display live visitor counts, cart activity, sales totals, and purchase popups powered by actual store data, not fake numbers. Includes a recently viewed widget with cross-device sync so returning customers pick up where they left off. Counters update instantly. Works with any theme through drag-and-drop blocks. more Live visitor count, cart activity, and sales badges Recent purchase popup notifications from real orders Recently viewed products with cross-device sync Real data from your store, no fake numbers Product analytics and customer browsing insights
Add a sticky add-to-cart bar to every page. Always-visible cart access with banners. Customers leave product pages and forget to buy. Sticky Cart keeps an add-to-cart bar visible as they scroll, so they can add items without scrolling back up. On non-product pages, it shows a cart summary with item count and total. Add banner messages for announcements, countdown urgency timers, or free shipping progress bars. Control where it appears with page, product, collection, customer, and market targeting rules. Works on mobile and desktop with full color customization. Customers leave product pages and forget to buy. Sticky Cart keeps an add-to-cart bar visible as they scroll, so they can add items without scrolling back up. On non-product pages, it shows a cart summary with item count and total. Add banner messages for announcements, countdown urgency timers, or free shipping progress bars. Control where it appears with page, product, collection, customer, and market targeting rules. Works on mobile and desktop with full color customization. more Sticky add-to-cart bar on product pages with variant selector Cart summary bar with item count on all other pages Banner messages: custom, countdown timer, free shipping bar Display rules for pages, products, customers, and markets Analytics dashboard tracking carts generated and events
Add a searchable store & dealer locator map — customizable styles, filters, and directions. Add a searchable store locator map to any page in a few clicks — no coding. Customers search by city or ZIP or use geolocation, then get one-tap driving directions to your nearest outlet or dealer. Show business hours, logos, and custom filters so shoppers narrow results fast. Pick your map provider — OpenStreetMap, Google Maps, or Mapbox — style it to match your brand, and bulk-import locations by CSV. Built-in analytics show where customers search for your products. Add a searchable store locator map to any page in a few clicks — no coding. Customers search by city or ZIP or use geolocation, then get one-tap driving directions to your nearest outlet or dealer. Show business hours, logos, and custom filters so shoppers narrow results fast. Pick your map provider — OpenStreetMap, Google Maps, or Mapbox — style it to match your brand, and bulk-import locations by CSV. Built-in analytics show where customers search for your products. more Search by city, ZIP, or geolocation with one-tap driving directions Style the map light, dark, or satellite with custom marker icons & colors Choose your map provider: OpenStreetMap (no key), Google Maps, or Mapbox Bulk-import locations by CSV; show hours, logos, and custom filters Built-in analytics show where customers search for your stores
Show your Portfolio, Photo Gallery, Image Gallery, Video, PDF Catalog anywhere on your store. What’s a professional photographer without a portfolio? What about an artist, agency, or freelance writer? With content creation comes the task of displaying your work online in order to find the best-fitting clients. A portfolio serves as your first line of offense. A place to show the best of the best. A hub to say exactly which types of niches you focus on. An easy way to build a portfolio is to find a portfolio, photo gallery or image gallery app. PDF Catalog. What’s a professional photographer without a portfolio? What about an artist, agency, or freelance writer? With content creation comes the task of displaying your work online in order to find the best-fitting clients. A portfolio serves as your first line of offense. A place to show the best of the best. A hub to say exactly which types of niches you focus on. An easy way to build a portfolio is to find a portfolio, photo gallery or image gallery app. PDF Catalog. more Portfolio, Photo Gallery, Image Gallery and PDF Catalog Responsive Bulk upload unlimited photos and arrange photo positions quickly. Save more time Photo Gallery, Image Gallery, Video anywhere on your store with multiple layouts Video gallery. Lookbook gallery. Grid, Masonry Template. 35+ hover effects. Drag & Drop to sort order photo quickly.
Product Sliders & Carousel can make your store show a large number of products in a professional way Product Slider & Carousel app allows you to create easily attractive product slider on any page.(Featured products, recommended / related products, products slider by collection, recently viewed, product slider by tag, collections). Product Slider helps you showcase featured, best-selling, or promotional products with a modern, fully responsive carousel. No coding needed – just drag, drop, and configure in minutes. Supports all themes, loads fast, and optimized for conversions. Product Slider & Carousel app allows you to create easily attractive product slider on any page.(Featured products, recommended / related products, products slider by collection, recently viewed, product slider by tag, collections). Product Slider helps you showcase featured, best-selling, or promotional products with a modern, fully responsive carousel. No coding needed – just drag, drop, and configure in minutes. Supports all themes, loads fast, and optimized for conversions. more Products slider by collection, Featured, Tag, Related, New, Bestseller, Recently Easy to show your product slider on homepage, pages, product, collection or blog Helps highlight specific products and it will allow you to increase conversions. Customize slider (items, speed,..). Lazy load. Support RTL. Show Add to Cart, View more button. Multi-currency compatibility
Collect emails with popups, a spin-to-win wheel and unique discount codes shoppers can use at once. Pavo promotion popup shows a popup, slide-in or bar that collects emails and gives each subscriber a discount code. Run a spin-to-win wheel with prizes and chances you set, or give everyone their own single-use code, applied to the cart. Choose who sees it and when: exit intent, scroll, cart value, traffic source, country, language, dates. Subscribers get a branded welcome email with their code in their language. Track signups, A/B test a second version and sync to your customers and email apps. Pavo promotion popup shows a popup, slide-in or bar that collects emails and gives each subscriber a discount code. Run a spin-to-win wheel with prizes and chances you set, or give everyone their own single-use code, applied to the cart. Choose who sees it and when: exit intent, scroll, cart value, traffic source, country, language, dates. Subscribers get a branded welcome email with their code in their language. Track signups, A/B test a second version and sync to your customers and email apps. more Popups, slide-ins and bars with templates, a live preview and phone layouts Spin-to-win wheel with the prizes and chances you set, one win per email A unique single-use discount code for every subscriber, applied to the cart Show on exit intent, scroll, cart value, traffic source, country or dates Welcome emails with the code, translations, A/B tests and integrations
Allows you to assign readymade size chart templates for any of your products. Pavo Size Chart & Size Guide app allows you to assign readymade size chart templates to the product, category, and create custom size chart for any of your products. You can also clone readymade size chart templates and create your own size charts and assign them to a category or specific products. Boost customer confidence, increase sales and reduce returns by creating a comprehensive size chart. Pavo Size Chart & Size Guide app allows you to assign readymade size chart templates to the product, category, and create custom size chart for any of your products. You can also clone readymade size chart templates and create your own size charts and assign them to a category or specific products. Boost customer confidence, increase sales and reduce returns by creating a comprehensive size chart. more Easy to create different size charts. Size Chart popup or Inline size chart. Easy to customize your size chart layout and style by using smart editor. Allow you to apply a size chart for all products or any products you choose. Copy & paste size chart table from Google Sheets/Docs or Microsoft Excel. You will improve your site usability and user experience during the purchase.
Boost Sales & Enhance Your Shop w/ Unlimited Product Options, Variants Options, & Product Customizer Empower your Shopify store with unlimited product options. From jewelry engravings to texture preferences & beyond, use extra product variants fields for more sales. It goes beyond simply creating product variants, the product customizer app creates unlimited variant options including image & color swatches and image & file upload fields for full product personalization. More than just a product customizer, it empowers merchants to up-charge for custom product options to boost revenue. Empower your Shopify store with unlimited product options. From jewelry engravings to texture preferences & beyond, use extra product variants fields for more sales. It goes beyond simply creating product variants, the product customizer app creates unlimited variant options including image & color swatches and image & file upload fields for full product personalization. More than just a product customizer, it empowers merchants to up-charge for custom product options to boost revenue. more ADD UNLIMITED PRODUCT OPTIONS FIELDS - to unlimited product pages on your store UPCHARGE PRICING - charge more $$$ for options to increase Shopify revenue 1-CLICK OPTIONS TEMPLATES - create and apply whole templates (sets) of fields PREMIUM OPTIONS FIELD TYPES - File uploads, color or image swatches & much more ROBUST CONDITIONAL LOGIC - hide/display options fields based on prior selections
Shop easily with PDP Star! Enjoy Coupled With, Recently Viewed, and Pin code Checker features. Unlock growth opportunities with essential features like "Coupled With" for upselling. Let customers easily find and revisit previously viewed products with "Recently Viewed", ensure seamless delivery with "Pincode Checker", and bring shoppers back with automatic back-in-stock email alerts through "Notify Me".Streamline operations, capitalize on sales, and thrive in the marketplace with PDP Star's intuitive product page tools and support. Invest in your business's success, choose PDP Star today! Unlock growth opportunities with essential features like "Coupled With" for upselling. Let customers easily find and revisit previously viewed products with "Recently Viewed", ensure seamless delivery with "Pincode Checker", and bring shoppers back with automatic back-in-stock email alerts through "Notify Me".Streamline operations, capitalize on sales, and thrive in the marketplace with PDP Star's intuitive product page tools and support. Invest in your business's success, choose PDP Star today! more Notify Me: Email customers when out-of-stock products are back in stock. Pincode Checker: Allow customers to verify delivery availability in their area. Product Labels & Coupled With: Highlight products & promote bundles to boost AOV Size Charts & FAQ: Guide customers in selecting the correct product. Other Features: Breadcrumbs, Recently Viewed, and Sticky Add to Cart/Buy Now.
Personalify uses AI to create smart product customization templates, making personalization smart. Personalify empowers merchants to sell fully customizable products with AI-generated templates, making personalization faster and easier. Whether you need engraved jewelry, custom apparel, personalized gifts, or multi-option products, Personalify helps you scale customization effortlessly. By automating personalization, Personalify enhances customer experience, boosts conversions, and reduces errors. It’s the perfect tool for any store looking to streamline customization and maximize sales. Personalify empowers merchants to sell fully customizable products with AI-generated templates, making personalization faster and easier. Whether you need engraved jewelry, custom apparel, personalized gifts, or multi-option products, Personalify helps you scale customization effortlessly. By automating personalization, Personalify enhances customer experience, boosts conversions, and reduces errors. It’s the perfect tool for any store looking to streamline customization and maximize sales. more AI-Generated Customization Templates Smart Conditional Logic Live Preview for Customers
Boost profits with AI personalized upsell & cross-sell offers at every step of the shopper's journey PersonalizerAI's personalization engine will deliver highly converting and profitable recommendations in the right places, at the right time. Don't miss any opportunity to sell more. Earn additional revenue from every customer by displaying personalized upsell & cross-sell recommendations on your product page, cart, collection, blogs, post-purchase & more. Boost AOV & revenue by delivering personalized recommendations throughout your entire store from pre-purchase to post-purchase. PersonalizerAI's personalization engine will deliver highly converting and profitable recommendations in the right places, at the right time. Don't miss any opportunity to sell more. Earn additional revenue from every customer by displaying personalized upsell & cross-sell recommendations on your product page, cart, collection, blogs, post-purchase & more. Boost AOV & revenue by delivering personalized recommendations throughout your entire store from pre-purchase to post-purchase. more Profitable click-worthy personalized recommendations powered by Google AI AI personalized "Frequently Bought Together, Similar Items, You May Also Like” AI personalized upsell & cross-sell recommendations for product page & cart
Boost Conversions with Sticky Add to Cart Bar, Mobile-Optimized Layouts & Customizable Designs Boost sales with an always visible Sticky Add to Cart bar that keeps your add to cart button always in reach. Don’t let shoppers slip away - enable skip to checkout to slash abandoned carts instantly. Our quick buy now button and instant checkout logic removes every hurdle, sending customers straight to payment. Optimize your store by hiding apple pay or distracting buttons for a premium look. With a mobile-awesome design and 1-click install, PF turns your shop into a high-conversion machine! Boost sales with an always visible Sticky Add to Cart bar that keeps your add to cart button always in reach. Don’t let shoppers slip away - enable skip to checkout to slash abandoned carts instantly. Our quick buy now button and instant checkout logic removes every hurdle, sending customers straight to payment. Optimize your store by hiding apple pay or distracting buttons for a premium look. With a mobile-awesome design and 1-click install, PF turns your shop into a high-conversion machine! more Always visible sticky add to cart button to ensure you never miss a sale. Automatically inherit your theme fonts and colors for a native, seamless look. Instant checkout: Skip the cart page and send customers straight to checkout. Hide PayPal, Apple Pay payment methods & add to cart / buy it now buttons. Drive urgency and highlight offers with a sticky announcement or promo bar.
Add JSON+LD Schema & breadcrumbs based on menu structure. Add breadcrumb hierarchy on product pages. One of the best things about this app is that it can breadcrumblist SEO schema up to 5 levels, generated in HTML, not Javascript! Do you want to improve the navigational experience for each visitor to your Shopify store? Do you want to create a breadcrumbs hierarchy for Google and people to follow? Then this app is for you! Numerous config options to make it look great. Bread crumb navigation is automatically based on menu structure. You can also add bread crumbs on product pages. One of the best things about this app is that it can breadcrumblist SEO schema up to 5 levels, generated in HTML, not Javascript! Do you want to improve the navigational experience for each visitor to your Shopify store? Do you want to create a breadcrumbs hierarchy for Google and people to follow? Then this app is for you! Numerous config options to make it look great. Bread crumb navigation is automatically based on menu structure. You can also add bread crumbs on product pages. more Allows for multi-level SEO JSON-LD breadcrumb. Allows huge number of customizations to breadcrumb navigation. Add breadcrumb navigation based on menu structure. Improves SEO by creating JSON+LD BreadcrumbList Schema based on menu structure. Easy, fast setup with global settings, allow you to set once and use everywhere.
Sell custom framed prints, canvas wall art & AI-generated portraits. Live design. Print Ready Files. Customers can't buy what they can't picture. Photo Frame Customizer- Live gives every shopper a live design studio on your product page- upload a photo, pick a frame, adjust the size, generate AI art, and checkout with confidence. You receive a print-ready file for every order automatically. No back-and-forth. No manual prep. Just sales. Your customers upload a photo, select an artistic style, and receive a unique framed AI artwork ready to order. No design skills required on their end. Customers can't buy what they can't picture. Photo Frame Customizer- Live gives every shopper a live design studio on your product page- upload a photo, pick a frame, adjust the size, generate AI art, and checkout with confidence. You receive a print-ready file for every order automatically. No back-and-forth. No manual prep. Just sales. Your customers upload a photo, select an artistic style, and receive a unique framed AI artwork ready to order. No design skills required on their end. more AI art generator- Portraits, pet art, family art etc. Add more AI custom styles. Live frame preview- Real-time visualization as customers customize Frame color selector- Configure black, white, wood, gold, or any custom finish Size configurator- Customers see the photo rescale live as sizes change Print-ready file automation- Every order arrives production-ready in your admin
Related Categories
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.