Get a Discount Box on your cart. Minimise your abandoned cart and maximise your conversion rate. Our app is designed to help online stores reduce cart abandonment rates and increase conversion rates. By offering a customisable discount box on the cart page, customers are more likely to complete their purchase, knowing they can apply the code at the right place and time. Our app seamlessly integrates with your store and helps your customers easily find and apply a coupon code directly in the cart. With our app, you can improve your customer's shopping experience and enhance your sales. Our app is designed to help online stores reduce cart abandonment rates and increase conversion rates. By offering a customisable discount box on the cart page, customers are more likely to complete their purchase, knowing they can apply the code at the right place and time. Our app seamlessly integrates with your store and helps your customers easily find and apply a coupon code directly in the cart. With our app, you can improve your customer's shopping experience and enhance your sales. more Supports cart page and cart drawer Easy to install and setup the discount box Allows you to create and display multiple discount boxes on various pages Supports discount share links.
Custom CSS Shopify Apps
Discover the best Custom CSS apps for your Shopify store in 2025. Compare features, pricing, and reviews to find the perfect solution.
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SVG Web Component to render and animate clock dials. Includes counter functionality and a JS API. DeDial is a set of Web Components whose primary purpose is to draw circular dials, counters, and timers. Dials can be used to represent animated gauges, or the ticks on a clock dial, or segments of a targeting sight. Additionally, animated countdowns can be initiated to add a more dynamic feel to any store. These components are intended for use by Theme designers, or advanced users familiar with CSS, that are looking to compose custom animations within the Theme Editor. DeDial is a set of Web Components whose primary purpose is to draw circular dials, counters, and timers. Dials can be used to represent animated gauges, or the ticks on a clock dial, or segments of a targeting sight. Additionally, animated countdowns can be initiated to add a more dynamic feel to any store. These components are intended for use by Theme designers, or advanced users familiar with CSS, that are looking to compose custom animations within the Theme Editor. more Render varied circular dials for static or animated displays, and clock faces. Animated forward and reverse counter with optional JavaScript interface. Smooth SVG scaling and CSS support from the theme editor.
Turn more visitors into buyers. AI-powered upsells & A/B testing platform to boost conversion. Stop losing sales to poor conversion rates. AI-powered conversion optimization platform for Shopify that makes A/B testing simple. Run redirect tests, test templates and themes, pages, banners, content, and shoppable videos using a no-code visual editor. Drive higher conversion rates and average order value with personalized product recommendations, intelligent upsells, and advanced visitor segmentation. Get statistical insights and automated analysis to make data-driven decisions for your store Stop losing sales to poor conversion rates. AI-powered conversion optimization platform for Shopify that makes A/B testing simple. Run redirect tests, test templates and themes, pages, banners, content, and shoppable videos using a no-code visual editor. Drive higher conversion rates and average order value with personalized product recommendations, intelligent upsells, and advanced visitor segmentation. Get statistical insights and automated analysis to make data-driven decisions for your store more A/B testing - Redirect URLs, CTAs, Banners, Texts or designs and ab test Apps Dynamic AI recommendations, Cart & Checkout cross-selling, Post purchase offers Increase AOV with “Frequently Bought Together” Bundles. Add discounts & segments Personalized campaigns, personalized banners and segmented content, Video slider Shoppable Stories & Shoppable videos - connect instagram & TikTok with ChatGPT
Boost sales with products filter and instant search If you are searching for a way to boost your stores performance by using product filter, collection filter or instant search and suggestions then "Advanced filters & Search" system could be your answer. Using this application, customers can search for products using multiple filters located on collections and search pages. If you are searching for a way to boost your stores performance by using product filter, collection filter or instant search and suggestions then "Advanced filters & Search" system could be your answer. Using this application, customers can search for products using multiple filters located on collections and search pages. more Collection page product filter Instant Search suggestions User friendly customizations
Prominently display a sale, discount code, event, or special promotion to drive customer engagement! Use a quick announcement bar to display a sale, event, or special promotion to your store visitors. In just one click, you can add a top or bottom Announcement Bar to highlight key information for your customers. Discount Announcement Bear has built-in, fully customizable layouts, fonts, and colors to match your brand perfectly. Our announcement bar layouts adapt to look amazing on any device! You can even add some custom CSS to create the design of your dreams. Try it today! Use a quick announcement bar to display a sale, event, or special promotion to your store visitors. In just one click, you can add a top or bottom Announcement Bar to highlight key information for your customers. Discount Announcement Bear has built-in, fully customizable layouts, fonts, and colors to match your brand perfectly. Our announcement bar layouts adapt to look amazing on any device! You can even add some custom CSS to create the design of your dreams. Try it today! more Highlight your store discounts & promotions with our stunning announcement bar. Customize your announcement bar by country and by product. Total design control to easily match your store's branding. Get very detailed with design by using the custom CSS feature.
Run promotions like a pro. Provide personalized incentives to your customers to increase AOV. Discount Ninja is a promotion engine that allows you to quickly set up promotions that convert. View real-time reports to know exactly how the app is growing your average order value. Personalized promotions come to life everywhere in your online store (product page, collections, cart and checkout). The app includes widgets to communicate your promotions to your audience throughout the buyer journey. They blend into your shop and allow you to stay on brand while you increase conversion. Discount Ninja is a promotion engine that allows you to quickly set up promotions that convert. View real-time reports to know exactly how the app is growing your average order value. Personalized promotions come to life everywhere in your online store (product page, collections, cart and checkout). The app includes widgets to communicate your promotions to your audience throughout the buyer journey. They blend into your shop and allow you to stay on brand while you increase conversion. more Combine & stack multiple offers: BOGO, free gift, tiered & volume discounts etc. Schedule promotions to start and stop automatically. Easily exclude collections or discounted products from sales. Offer private promotions to VIP customers using a discount link. Unlock the power of Shopify Functions for a scalable and native experience.
Revolutionize Product Search and Discovery with Doofinder. Upgrade your store with Doofinder’s AI search and Discovery solution. Our search bar offers results through text, image, and voice search in milliseconds. Enhance product discoverability with intelligent product filters and recommendation carousels. Use dynamic searchandising tools for increased sales and guide users to their perfect products. Now Search, Recommendations and Quiz Maker are all included in our 3 main plans so you can get the most out of Doofinder without limitations. Upgrade your store with Doofinder’s AI search and Discovery solution. Our search bar offers results through text, image, and voice search in milliseconds. Enhance product discoverability with intelligent product filters and recommendation carousels. Use dynamic searchandising tools for increased sales and guide users to their perfect products. Now Search, Recommendations and Quiz Maker are all included in our 3 main plans so you can get the most out of Doofinder without limitations. more Semantic & natural language search to understand shopper intent and context Dynamic product filtering to search by category, collection, or features AI Product Recommendation Carousels for All Your Website Pages Promotional Tools: search merchandising, banners, and search results control Multi-language and multi-currency support (30+ languages & currencies)
Embedded file share & download widget for customer to search, preview & instant download PDF, image Embedded file library widget to create a file downloader page, resource hub or file directory for customer. Add files directly from Shopify storage and list them as free downloadable public files - no more double uploading to Google Drive (Gdrive), Dropbox. Customers can search for files with built-in search bar, preview PDF & image; or download them instantly. Good for PDF catalog, instruction manual, price list, sales kit, brochure, document, press kit, spreadsheet, booklet, media release kit. Embedded file library widget to create a file downloader page, resource hub or file directory for customer. Add files directly from Shopify storage and list them as free downloadable public files - no more double uploading to Google Drive (Gdrive), Dropbox. Customers can search for files with built-in search bar, preview PDF & image; or download them instantly. Good for PDF catalog, instruction manual, price list, sales kit, brochure, document, press kit, spreadsheet, booklet, media release kit. more File search bar - Customer can search for PDF & downloadable files with keyword Embedded widget - Show customers PDF preview & image preview before downloading File category - Group downloadable files into categories to keep them organized Customizable widget - Add custom CSS & translated language text as you need Supports all file formats for file download like PDF, images, doc, video
Create product options with swatches & price calculators. Sell product bundles and discount upsells Dynamic Product Options is an app to manage customizable product options. Create configurable and bundle products of any complexity. Add math formulas and build your own price calculators. The app supports dependent/conditional custom options, templates, color and image swatches, quantity and tier prices for options, onetime fees, tooltips, absolute pricing, options for customer groups, mathematical formula pricing and much more. Dynamic Product Options is an app to manage customizable product options. Create configurable and bundle products of any complexity. Add math formulas and build your own price calculators. The app supports dependent/conditional custom options, templates, color and image swatches, quantity and tier prices for options, onetime fees, tooltips, absolute pricing, options for customer groups, mathematical formula pricing and much more. more Create unlimited custom options with conditional options and color swatches Create configurable and bundle products with separate SKUs Create price calculators of any complexity using your custom math formula The app has an intuitive UI and a lot of features missing in other similar apps The app can be integrated into any theme or page builder
Easily add a personalized Dropdown list on the cart page. Restrict checkout on selected values. Add a custom dropdown to your cart to collect important customer input before checkout. Use it to tag orders automatically and control whether customers can proceed based on their selection. Ideal for restricting delivery areas, letting customers choose pickup locations, shipping or payment methods, or applying custom conditions—no code or theme edits required. Add a custom dropdown to your cart to collect important customer input before checkout. Use it to tag orders automatically and control whether customers can proceed based on their selection. Ideal for restricting delivery areas, letting customers choose pickup locations, shipping or payment methods, or applying custom conditions—no code or theme edits required. more Easily add a dropdown to your cart page with fully customizable options. Automatically tag orders based on the customer’s selection. Block or allow checkout depending on the selected dropdown value.
Reduce friction to checkout by displaying an estimated delivery date on your product pages. Facing low add-to-cart rates and conversions? Uncertainty around delivery times can deter customers, creating friction at checkout. Delivery Timer is your solution. It displays clear delivery estimations and shipping times, tailored to your store's specific order by, cut-off, and dispatch times. Set up geolocation zones for accurate delivery details across countries and states. Includes geolocation for accuracy, custom rules for varied products, and customization to suit your store's design. Facing low add-to-cart rates and conversions? Uncertainty around delivery times can deter customers, creating friction at checkout. Delivery Timer is your solution. It displays clear delivery estimations and shipping times, tailored to your store's specific order by, cut-off, and dispatch times. Set up geolocation zones for accurate delivery details across countries and states. Includes geolocation for accuracy, custom rules for varied products, and customization to suit your store's design. more Reduce friction to checkout with clear shipping & delivery information Display a beautiful "get it by" countdown & delivery timer on your store Communicate a clear visual timeline from order placed to order received Create rules for products & collections with different lead times Motivate buyers to place orders and increase sales
Audience-driven upsells, slide cart, subscriptions, ab testing, checkout blocks, and custom widgets. The goal of this app is to increase conversion rate and average order value while offering an unparallel control on personalization. Add checkout blocks and extensions, power a customizable slide cart, bundles, recommendations, upsells, tiered discounts, swap to subscriptions, and reconvert customers to rebuy with 50+ customizable widgets for the entire site. Other features include AB testing, auto free gifts, BOGO, pop ups, one click upsells, post purchase upsells, timers, banners etc. The goal of this app is to increase conversion rate and average order value while offering an unparallel control on personalization. Add checkout blocks and extensions, power a customizable slide cart, bundles, recommendations, upsells, tiered discounts, swap to subscriptions, and reconvert customers to rebuy with 50+ customizable widgets for the entire site. Other features include AB testing, auto free gifts, BOGO, pop ups, one click upsells, post purchase upsells, timers, banners etc. more Personalized in cart upsells and cross-selling, tiered bars, free gifts and more Offer wiser upsells, functions, post purchase upsells, auto add free gift + more Connect segments of audiences to specific widgets for a true personalized store. Reconvert users with simple rebuy offers, bold offers, and swap to subscriptions
Grow via side cart drawer cart upsell, sticky add to cart bar, free shipping bar & slide cart upsell Sticky add to cart bar floating button always visible add to cart. Grow sales via side cart AI upsells. One Click checkout sticky Add to Cart button direct sale in product page. Sticky Side cart drawer offers instant cart overview w/o leaving page, slide cart offers cart upsell & cross sell like UpCart iCart Opus. Side Cart Slide cart to upsell & cross sell more product & grow average order value. Quick buy buttons -> add to cart speed. Free shipping bar shows progress to discounts, sticky cart. Sticky add to cart bar floating button always visible add to cart. Grow sales via side cart AI upsells. One Click checkout sticky Add to Cart button direct sale in product page. Sticky Side cart drawer offers instant cart overview w/o leaving page, slide cart offers cart upsell & cross sell like UpCart iCart Opus. Side Cart Slide cart to upsell & cross sell more product & grow average order value. Quick buy buttons -> add to cart speed. Free shipping bar shows progress to discounts, sticky cart. more Sticky Add to Cart Bar - Keep Add to Cart button always visible & cart drawer Side Cart Drawer Cart Upsell - AI Upsell & cross sell, Cart Upsell & Slide Cart Free Shipping Bar, Reward & Discount Bar, One Click Checkout, Countdown Sale bar Sticky Cart - keep cart always visible so customers can easily see, slide cart Quick Buy Button - allow customers to Add to Cart with one click on any page
Sell more via upsell popups, upgrade pop ups, and cross sell + post purchase offers to add to order! Increase order value with upsell & cross-sell offers & funnels. Reach customers when adding a product to cart, on cart page via popup offers or after order with post purchase offers. Offer customizable discounts, percentage, amount off, & free gifts! Offer related, frequently bought with, & complementary products using Shopify AI to tailor recommendations to your customers. Pop up offer to increase revenue by encouraging customers to buy more, with volume discounts and post purchase funnel. Increase order value with upsell & cross-sell offers & funnels. Reach customers when adding a product to cart, on cart page via popup offers or after order with post purchase offers. Offer customizable discounts, percentage, amount off, & free gifts! Offer related, frequently bought with, & complementary products using Shopify AI to tailor recommendations to your customers. Pop up offer to increase revenue by encouraging customers to buy more, with volume discounts and post purchase funnel. more Upsell Popups & cross-sell pop ups - offer complementary and/or related products Post Purchase offer - add items to order with one click after purchase is paid Custom discounts - percentage off, amount off, and free gift offer popup Product page & cart page popups - popup when adding to cart, or before checkout Upgrade popups - pop up prompt customers to replace an item with a better one
Custom Product Options and Customizer, Variants with Text, File Upload, Product Personalizer, Addons Other apps create, Easify makes product options sell. Add price/ product add-ons, custom fields, infinite product options for jewelry engraving, gift message, date time picker, custom size. Want product personalization on product page? Our Product Personalizer with Live Preview shows file upload, image upload, text field real time, boosting customized product sales. Whether you need simple product variant options or advanced product personalisation, product customizer, Easify delivers results. Other apps create, Easify makes product options sell. Add price/ product add-ons, custom fields, infinite product options for jewelry engraving, gift message, date time picker, custom size. Want product personalization on product page? Our Product Personalizer with Live Preview shows file upload, image upload, text field real time, boosting customized product sales. Whether you need simple product variant options or advanced product personalisation, product customizer, Easify delivers results. more Text Box/ Custom Field, Image/ Color Swatch, Checkbox, Radio Button, Dropdown File Upload, Image Upload, Dimensions (Custom size), Date Time/Color/Font Picker Price & Product Add-ons: Link custom options to specific products for upselling Product Customization: Customize items with a powerful live preview personalizer Conditional Logic: Show product options based on selections or Shopify variants
Announce Bar help you to display special offers, discount code, and events in your store. If you want to display Christmas offers to your customers then Announce bar app will help you to display offers on your site. just install the app and configure the app text, size, font, and color according to your requirements. Click on the Save button to publish changes in your store. now your Christmas offer is displayed in your store. * Show your visitors the right message at the right time so they stay in your store longer. * You can display announce bar via country-based on your store. If you want to display Christmas offers to your customers then Announce bar app will help you to display offers on your site. just install the app and configure the app text, size, font, and color according to your requirements. Click on the Save button to publish changes in your store. now your Christmas offer is displayed in your store. * Show your visitors the right message at the right time so they stay in your store longer. * You can display announce bar via country-based on your store. more Display Special offers, Discount Code, Events, Information to your Customers Show the announce bar on selected countries or all countries. Display the bar on selected pages like home, collection, product, or custom page Choose to display the bar per day like Every Time, 1 Time, 2 Time.. etc. Customize the text Announce message, Purchased message, and Success message.
Take appointments and bookings on your calendar. Booking app for any event or service. Turn any Shopify product into an event with no technical setup. Show a calendar of appointments for services, workshops, rentals, tours, experiences, classes and more Our booking app lets you ask intake questions, automatically notify customers, and connect to Google Calendar, Outlook, Zoom, and Klaviyo. In-person, virtual, and multi-location booking app. Share bookings with staff with a secure Team Portal. Customers can reschedule from their account. An integrated Calendly for Shopify! Turn any Shopify product into an event with no technical setup. Show a calendar of appointments for services, workshops, rentals, tours, experiences, classes and more Our booking app lets you ask intake questions, automatically notify customers, and connect to Google Calendar, Outlook, Zoom, and Klaviyo. In-person, virtual, and multi-location booking app. Share bookings with staff with a secure Team Portal. Customers can reschedule from their account. An integrated Calendly for Shopify! more Create regularly scheduled or one-day services in a few clicks Let staff manage bookings with Google Calendar, POS, and team portal booking app Send email and text reminders. Sync with Klaviyo. Let customers modify bookings. Sell bookings packs and use upsells. Marketing calendars help schedule bookings No code required, completely customizable, with helpful support!
Create unlimited product options! Create unlimited product options. Easily add text and numeric fields, dropdowns, swatches, date selectors, file uploaders and more! Match products using simple or complex criteria. Set any number of conditions to decide whether the options should show on each product. Select between a handful of choices to make your products options show exactly like your business need! Create unlimited product options. Easily add text and numeric fields, dropdowns, swatches, date selectors, file uploaders and more! Match products using simple or complex criteria. Set any number of conditions to decide whether the options should show on each product. Select between a handful of choices to make your products options show exactly like your business need! more Create unlimited product options. Easily add more product options. Match products using simple or complex criteria. Set any number of conditions. Select between a handful of choices to make your products options show as needed
Make your videos and maps responsive so they look good across all devices. Make embedded YouTube, Vimeo videos, and Google Maps fully responsive on any page. The app helps you display videos and maps correctly on Pages, Articles, Products, and more. By default, the app uses a 16:9 aspect ratio for both videos and maps while making them responsive, but if you prefer a different aspect ratio (for example, if you'd like to have square maps), you may adjust dimensions in the app settings easily. Make embedded YouTube, Vimeo videos, and Google Maps fully responsive on any page. The app helps you display videos and maps correctly on Pages, Articles, Products, and more. By default, the app uses a 16:9 aspect ratio for both videos and maps while making them responsive, but if you prefer a different aspect ratio (for example, if you'd like to have square maps), you may adjust dimensions in the app settings easily. more Make your YouTube and Vimeo videos, and Google Maps responsive. Flexible video aspect ratio. Configure embedded videos dimensions. Improved store usability: no more cut off videos or maps on mobile devices
No more returns & lost sales. Make your customers happy with customisable size charts and size guide Stop losing money to returns and refunds. Help your customers choose the right size the first time with smart size charts and fit guides. Set up product size charts in just 3 steps using ready-made templates. Deliver accurate sizing information with a clean, professional size guide – no coding needed. Create size charts that match your brand, display them automatically on all/specific products or collections, and support multiple languages. Fully responsive and optimised for all devices. Stop losing money to returns and refunds. Help your customers choose the right size the first time with smart size charts and fit guides. Set up product size charts in just 3 steps using ready-made templates. Deliver accurate sizing information with a clean, professional size guide – no coding needed. Create size charts that match your brand, display them automatically on all/specific products or collections, and support multiple languages. Fully responsive and optimised for all devices. more Quick setup: 4 prebuilt templates - add branding, change layouts, go live fast Smart display: auto-apply size charts to products, collections, vendors, tags Flexible customisation: change size chart colours & fonts, add videos & images Seamless integration: inline & popup size chart blends perfectly into your theme Fully optimised: mobile-friendly & SEO-ready size chart display
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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.