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. Get the most out of Doofinder with Search, Recommendations and Quiz Maker! 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. Get the most out of Doofinder with Search, Recommendations and Quiz Maker! 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)
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 AppsCustomer-facing file share & download widget to instant search, preview & instant download PDF etc Embedded file library widget to create a file downloader page, resource hub or file directory for customer. Add files directly from Shopify storage & list them as free downloadable public files. Customer can instant search file with built-in search bar, preview PDF & image; or download them. Good for B2B wholesale & accredited goods. Share unlimited files like PDF catalog, instruction manual, price list, sales kit, pdf report, document, press kit, downloadable report, media kit, pdf certificate. Embedded file library widget to create a file downloader page, resource hub or file directory for customer. Add files directly from Shopify storage & list them as free downloadable public files. Customer can instant search file with built-in search bar, preview PDF & image; or download them. Good for B2B wholesale & accredited goods. Share unlimited files like PDF catalog, instruction manual, price list, sales kit, pdf report, document, press kit, downloadable report, media kit, pdf certificate. more File search bar - Let customer find PDF & downloadable files with keyword search 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 Includes: Cart, Checkout Extensions, Bundles, BOGO, Free Gift, A/B Testing +
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
Custom Product Options and Customizer, Variants with Text, File Upload, Product Personalizer, Addons Others create, Easify makes product options sell. Add price & product add-ons, custom fields, infinite options for jewelry engraving, printed or embroidery items, gift messages, gift options, custom sizes. Want product personalization on product page? Our Product Personalizer with Live Preview shows file upload, image upload, text field real time & boost customized product sales. Whether you need simple product variant options or advanced product personalisation, product customizer, we deliver. Others create, Easify makes product options sell. Add price & product add-ons, custom fields, infinite options for jewelry engraving, printed or embroidery items, gift messages, gift options, custom sizes. Want product personalization on product page? Our Product Personalizer with Live Preview shows file upload, image upload, text field real time & boost customized product sales. Whether you need simple product variant options or advanced product personalisation, product customizer, we deliver. 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
Easily create specification tables for all your store products. Supports metafields & customization. With Easy Specs, you can create custom specification tables for all of your products. Neatly and dynamically display product data, including product fields, variant fields and metafields. This makes it easy for your customers to find the information they need to make a purchase, right on your site. No more losing customers to your competition - with Easy Specs, you can keep them right where you want them, on your site and ready to buy! With Easy Specs, you can create custom specification tables for all of your products. Neatly and dynamically display product data, including product fields, variant fields and metafields. This makes it easy for your customers to find the information they need to make a purchase, right on your site. No more losing customers to your competition - with Easy Specs, you can keep them right where you want them, on your site and ready to buy! more Smart Metafield Display: Display product metafields intelligently based on type Real-time Variant Updates: Instantly update table values for different variants Intelligent Display Logic: Show tables based on collections, tags & types Effortless Customization: Tailor table designs with extensive options & tooltips Speedy & Responsive: Fast, professional appearance on all devices
Upsell, cross sell, and use product recommendations to increase your sales. Increase your sales by displaying offers and product recommendations tailored to each customer. Use the power of artificial intelligence exclusively created for Shopify without configuration or technical knowledge. Convert, grow, and retain more customers through automatic product recommendations and upsells. Increase your sales by displaying offers and product recommendations tailored to each customer. Use the power of artificial intelligence exclusively created for Shopify without configuration or technical knowledge. Convert, grow, and retain more customers through automatic product recommendations and upsells. more Increase average order value and make more sales with easy to setup upsells. Convert and retain more customers through automatic product recommendations. Upsell additional products based on your customer's purchase and behavior. Use the power of artificial intelligence exclusively created for Shopify. Showcase additional products and make more sales during Shopify POS sales.
Wholesale order form and page: Bulk order form for the product and standalone wholesale pages. EasyWholesale is a great solution for simplifying bulk orders and speeding up the checkout process for your wholesalers. Add a bulk order form to the Product pages for selected products or standalone wholesale catalog pages with fast order forms for a set of products. Adjust the wholesale page look and feel to make it fit your store theme perfectly and help wholesalers place b2b batch orders quickly and easily. EasyWholesale is a great solution for simplifying bulk orders and speeding up the checkout process for your wholesalers. Add a bulk order form to the Product pages for selected products or standalone wholesale catalog pages with fast order forms for a set of products. Adjust the wholesale page look and feel to make it fit your store theme perfectly and help wholesalers place b2b batch orders quickly and easily. more Create wholesale offer pages for your wholesalers to complete bulk order fast. Add bulk order form to specified products for swift purchasing. Change colors, texts, and quick order form layouts to fit your business needs. Floating bar with order summary for long wholesale catalogs to improve usability Fast checkout for bulk and wholesale orders
Create unlimited product options, product variants, and variant options with easy product customizer Let customers customize products options with text boxes, image swatches, dropdowns, checkboxes, buttons, file upload, etc. Create infinite product options, variants & multi-currency pricing addons. Boost sales with upsell options & dynamic pricing. Use conditional logic, bulk edit/apply & manage option sets faster than ever. Our variants options app loads fast on the storefront & works with Shopify variants. Perfect for product customization, personalization & advanced variant management. Let customers customize products options with text boxes, image swatches, dropdowns, checkboxes, buttons, file upload, etc. Create infinite product options, variants & multi-currency pricing addons. Boost sales with upsell options & dynamic pricing. Use conditional logic, bulk edit/apply & manage option sets faster than ever. Our variants options app loads fast on the storefront & works with Shopify variants. Perfect for product customization, personalization & advanced variant management. more Unlimited number of variants options, product options & product personalizer Text input, Image swatches, Dropdown, Checkboxes, File Upload & more options Conditional logic: Show/hide options by selection. Works with Shopify Variants. Smart price addons with multi-currency to upsell and increase order value Bulk edit/apply: Copy & add existing options to customize products & save time
Add 1-Click COD Form for Dropshipping & boost your Conversions and AOV with Upsells, Offers, OTP ... Make cash payments effortless with EasySell. Offer your customers a smooth shopping experience using a 1-Click advanced Cash On Delivery Form with multi-currency. Let your customers order with a simple COD order form. Export Orders to Google Sheets, grow your AOV with Upsells and quantity offers, Recover potential lost sales with Downsells and cart recovery, Minimize fake orders through OTP verification via SMS/WhatsApp, and track events with Facebook, TikTok, Snapchat, Google.. Make cash payments effortless with EasySell. Offer your customers a smooth shopping experience using a 1-Click advanced Cash On Delivery Form with multi-currency. Let your customers order with a simple COD order form. Export Orders to Google Sheets, grow your AOV with Upsells and quantity offers, Recover potential lost sales with Downsells and cart recovery, Minimize fake orders through OTP verification via SMS/WhatsApp, and track events with Facebook, TikTok, Snapchat, Google.. more Easily customizable Cash on Delivery (COD) order form with multi-currency. Add Quantity offers, Discounts, Downsells, Post-purchase and One-Tick Upsells Export Cash on Delivery orders automatically to Google Sheets. Verify phone numbers by OTP, block IP addresses, and limit postal codes. Add tracking pixels (Facebook, Tiktok, Google, Snapchat, Pinterest ...).
Create attractive form using form builder with conditional based form, Customer based form, etc... This app help you to create your own custom form with drag & drop fields. You can easily add the fields, change their position on the form and mark it required if needed. Form settings are easy to use and you can setup email specific auto responder emails. You can send the form data to the multiple users as well as set BCC according to your requirements. We provide the facility to set the sender email address as well as a subject. This app help you to create your own custom form with drag & drop fields. You can easily add the fields, change their position on the form and mark it required if needed. Form settings are easy to use and you can setup email specific auto responder emails. You can send the form data to the multiple users as well as set BCC according to your requirements. We provide the facility to set the sender email address as well as a subject. more Short Code/Plain HTML based custom forms like Contact, Testimonial, Conditional. Drag & Drop Fields, File Upload, Conditional Fields & Emails. Auto Response Google reCAPTCHA Mailchimp, Klaviyo form integration with form.
Showcase your products with multiple variant images, videos, and 3D models to increase conversions. Variant Gallery lets you display multiple variant images, videos, or 3D models for each product variant, decluttering your product page, helping merchants find what they need, and increasing conversions. Each variant image helps customers better understand product options at a glance. Variant Gallery installs seamlessly without altering your theme and works out of the box—no coding or complex setup needed. Managing variant images and other media is simple and can be done in just a few clicks. Variant Gallery lets you display multiple variant images, videos, or 3D models for each product variant, decluttering your product page, helping merchants find what they need, and increasing conversions. Each variant image helps customers better understand product options at a glance. Variant Gallery installs seamlessly without altering your theme and works out of the box—no coding or complex setup needed. Managing variant images and other media is simple and can be done in just a few clicks. more Display multiple variant images, videos, or 3D models for each product option Organize variant images and other media by options like color, size, or material Manage variant images and other media easily with an intuitive setup Works with popular themes, and we can tailor it for your custom theme
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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.