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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.

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Drive sales and gather smarter leads with on-brand quizzes built by simply chatting with the AI Get set up fast with a fully personalized, on-brand quiz by simply chatting with your preferred AI via the Lantern MCP. It stays just as easy to manage, update, and review quizzes. Each answer can shape the next question for natural, personalized recommendations in a variety of question types. Capture emails, phone numbers, and zero-party data, track them in Google Analytics, or send them to Klaviyo, Omnisend, Zapier and 20+ more integrations. Choose what converts with A/B testing. Get set up fast with a fully personalized, on-brand quiz by simply chatting with your preferred AI via the Lantern MCP. It stays just as easy to manage, update, and review quizzes. Each answer can shape the next question for natural, personalized recommendations in a variety of question types. Capture emails, phone numbers, and zero-party data, track them in Google Analytics, or send them to Klaviyo, Omnisend, Zapier and 20+ more integrations. Choose what converts with A/B testing. more Use our quiz templates or chat with the AI to build and manage quizzes. Show quizzes in-store, standalone, as a popup, or embedded anywhere. Guide shoppers with logic jumps or skip/show rules and reward them to check out. Sync leads to Shopify customers, Klaviyo, Omnisend, GA, Zapier and 20+ more. Use A/B testing to find what truly converts with data from each tracked session.

4.9(Reviews)

Enable Latitude marketing widgets on your product and cart pages. Drive more sales on your store. Promote your partnership with Latitude (AU) and Gem (NZ) Interest Free payments as a payment option for your customer to choose. Our long term plans starts from 6 months onwards, depending on your agreement with Latitude. Showing your customers that you provide interest free option at checkout encourages your customers to even shop more at your store by giving them more flexibility on payment terms. Promote your partnership with Latitude (AU) and Gem (NZ) Interest Free payments as a payment option for your customer to choose. Our long term plans starts from 6 months onwards, depending on your agreement with Latitude. Showing your customers that you provide interest free option at checkout encourages your customers to even shop more at your store by giving them more flexibility on payment terms. more Easily enable Latitude widget on your product pages Customise Latitude widget layout with visual preview Set minimum amount for price breakdown to show (for selected promotions only)

0.0(Reviews)

Add a coming soon page for your under construction store & notify customers that you’re opening soon Getting your store ready for launch? Turn your under construction store into a professional coming soon page with LaunchX. Add a countdown timer, create pre launch excitement, and let shoppers know you’re launching soon. Get pre-built templates for your under construction store & protect your store with password protection & age verification in under maintenance mode. Give customers a reason to return & use maintenance mode to keep customers engaged while you’re launching soon or opening soon. Getting your store ready for launch? Turn your under construction store into a professional coming soon page with LaunchX. Add a countdown timer, create pre launch excitement, and let shoppers know you’re launching soon. Get pre-built templates for your under construction store & protect your store with password protection & age verification in under maintenance mode. Give customers a reason to return & use maintenance mode to keep customers engaged while you’re launching soon or opening soon. more Choose from pre-built customizable coming soon page templates for pre launch Password-protect your launching soon page with a custom pre-loader icon Build hype on your opening soon page with a countdown timer/launch timer Restrict minor access with age verification on your under construction page Auto-schedule the coming soon page for your under maintenance mode store

4.5(Reviews)

Increase conversions with an always-visible Sticky Add to Cart & Buy Button that follows customer Sticky Add to Cart keeps purchase buttons visible throughout the entire shopping experience, eliminating friction in the buying process. Customers can add items to cart from anywhere on your product page without scrolling back up. The app offers multiple display styles that seamlessly adapt to both mobile and desktop experiences. Easy to set up with no coding required, it includes tracking tools to measure performance and improve conversion rates on your product pages. Sticky Add to Cart keeps purchase buttons visible throughout the entire shopping experience, eliminating friction in the buying process. Customers can add items to cart from anywhere on your product page without scrolling back up. The app offers multiple display styles that seamlessly adapt to both mobile and desktop experiences. Easy to set up with no coding required, it includes tracking tools to measure performance and improve conversion rates on your product pages. more Always-visible buy button that follow customers as they scroll Mobile-optimized layouts that boost smartphone conversions Action badges to highlight key selling points and boost conversions Customizable button text, colors, and placement options Performance analytics to track views, clicks, and conversions

5.0(Reviews)

Upsell with product add-ons, cart upsell, bundle offers and frequently bought together on any page. Grow order value with add-ons, upsells and bundles on the pages shoppers already use. Show one-click product add-ons under the buy button, pair items with frequently bought together and AI-picked recommendations, and catch last-minute upsells in the cart drawer or cart popup before checkout. Build fixed bundles, volume discounts, quantity breaks, BOGO and free gift offers from one dashboard. Style every offer to match your theme without code and track clicks, conversions and revenue per offer. Grow order value with add-ons, upsells and bundles on the pages shoppers already use. Show one-click product add-ons under the buy button, pair items with frequently bought together and AI-picked recommendations, and catch last-minute upsells in the cart drawer or cart popup before checkout. Build fixed bundles, volume discounts, quantity breaks, BOGO and free gift offers from one dashboard. Style every offer to match your theme without code and track clicks, conversions and revenue per offer. more Sell product add-ons under the buy button so shoppers add extras in one click Show frequently bought together and AI-picked recommendations that pair products Upsell in the cart drawer and cart popup to grow orders before checkout Create bundles, volume discounts, quantity breaks, BOGO and free gift offers Match any theme with the no-code editor and track clicks and revenue per offer

5.0(Reviews)

Add a store locator to your storefront. Help customers find where your products are sold offline. Easily add a beautiful and feature rich store locator to your storefront website. Increase your sales by helping your customers find where your products are sold offline. The Store Locator app has the perfect balance of powerful features and an easy to use back-end interface at an affordable price. Easily add a beautiful and feature rich store locator to your storefront website. Increase your sales by helping your customers find where your products are sold offline. The Store Locator app has the perfect balance of powerful features and an easy to use back-end interface at an affordable price. more Get setup quickly with instant installation and bulk location importing. Optimized for mobile and fully responsive. Learn where demand is for your product with powerful search analytics. User friendly interface that automatically finds stores closest to a customer.

4.3(Reviews)

Create shoppable Instagram galleries you can add to any page on your storefront. Add one or more Instagram galleries to your homepage, product page or collection pages using your brand IG photos or UGC you curate. You can showcase photos based on your product collections or only product specific galleries on product pages. Drive user engagement and desire with an interactive Instagram gallery that links directly to products for customers to buy. Add one or more Instagram galleries to your homepage, product page or collection pages using your brand IG photos or UGC you curate. You can showcase photos based on your product collections or only product specific galleries on product pages. Drive user engagement and desire with an interactive Instagram gallery that links directly to products for customers to buy. more Showcase beautiful IG galleries on your homepage, collection or product page. Add product specific galleries on product pages. Link each IG photo to one or more products shown in the photo. Add collection specific galleries to any collection page. Easy install and customization with 2.0 Shopify Themes

5.0(Reviews)

One click upsell and cross sell. Display frequently bought together product upsell & bundles. Add bundle, upsell and cross sell offers from the homepage to checkout, and beyond. The Max LimeSpot Personalizer adds personalization to every product recommendation & 'bought together' bundle. Use our AI bundle builder to create cart upsell, post purchase upsell, or bundle upsell offers. Our tools generate powerful upsell recommendations, cross sell, bundles, and related product suggestion for a quick upsale at checkout. Easily migrate from Addly, Bundler, Selleasy, Aftersell, FBP, or Zoorix. Add bundle, upsell and cross sell offers from the homepage to checkout, and beyond. The Max LimeSpot Personalizer adds personalization to every product recommendation & 'bought together' bundle. Use our AI bundle builder to create cart upsell, post purchase upsell, or bundle upsell offers. Our tools generate powerful upsell recommendations, cross sell, bundles, and related product suggestion for a quick upsale at checkout. Easily migrate from Addly, Bundler, Selleasy, Aftersell, FBP, or Zoorix. more Get a smart product recommendation on any page with an upsell & cross sell offer Personalize every bundle & upsell offer with the LimeSpot Max Personalizer Boost AOV with bought together bundles & related product suggestions at checkout Create a cart upsell or bundle upsell with a data-driven product recommendations Add a post-purchase bundel or upsell offer after checkout, with one-click setup

4.6(Reviews)

Link separate products as variants. Group products into combined listings with variant swatches LinkedOption (formerly King Linked Options) creates combined listings on any Shopify plan. Link separate products as variants and show sibling products as color swatches or image swatches on product pages, collection pages and product cards. Each product keeps its own SEO URL, title and description. Group products in bulk by title pattern, SKU, tag or collection, or with CSV import/export. Build multi-option and subcategory product groups, hide out-of-stock items and auto-sync product info. LinkedOption (formerly King Linked Options) creates combined listings on any Shopify plan. Link separate products as variants and show sibling products as color swatches or image swatches on product pages, collection pages and product cards. Each product keeps its own SEO URL, title and description. Group products in bulk by title pattern, SKU, tag or collection, or with CSV import/export. Build multi-option and subcategory product groups, hide out-of-stock items and auto-sync product info. more Combined listings for linked products, each with its own SEO URL and inventory Variant swatches for sibling products: color, image, button or dropdown styles Bulk-create product groups by title pattern, SKU, tag, collection or CSV Combine sibling products into multi-option and subcategory product groups Hide out-of-stock options and auto-sync product info across linked products

5.0(Reviews)

Link Products of different Colors using Customizable Color and Image Swatches. Linkify Product Colors lets you connect separate products as color options using swatches. Instead of using variants, each color can exist as its own product. This allows unique images, descriptions, prices, and inventory while helping SEO and discoverability. Create unlimited product groups and swatches, and display them on product pages and collection grids. The app can automatically detect color names, highlight the active product, and hide unavailable swatches. Linkify Product Colors lets you connect separate products as color options using swatches. Instead of using variants, each color can exist as its own product. This allows unique images, descriptions, prices, and inventory while helping SEO and discoverability. Create unlimited product groups and swatches, and display them on product pages and collection grids. The app can automatically detect color names, highlight the active product, and hide unavailable swatches. more Avoid Shopify’s variant limits by using separate products for each color. Each product can have it own pictures, description, prices... Display color swatches on product pages and collection product grids. Use solid colors, image swatches, or product images automatically. Customize swatch style, size, shape, tooltip, and display behavior.

4.6(Reviews)

AI Virtual Try-On: Let your customers see how clothes look on them before they buy. LISA lets customers try on clothes virtually while shopping online. Your customers can see how they'd look in different outfits with realistic visuals before making a purchase. It works with Shopify without any technical setup needed. When shoppers can see how clothes actually look on them, they return fewer items. They can also easily share their virtual outfits with friends, which helps spread the word about your store. Many shops find more people buy when they can try things on first. LISA lets customers try on clothes virtually while shopping online. Your customers can see how they'd look in different outfits with realistic visuals before making a purchase. It works with Shopify without any technical setup needed. When shoppers can see how clothes actually look on them, they return fewer items. They can also easily share their virtual outfits with friends, which helps spread the word about your store. Many shops find more people buy when they can try things on first. more AI Virtual Try-On: Show customers exactly how your clothes look and fit on them. Inspire bigger orders as customers explore and combine more outfit options. Integrate easily with Shopify to enhance the shopping experience at checkout. Reduce doubt by letting shoppers see themselves looking great in your clothing.

0.0(Reviews)

Upload images and elements to create a beautiful image gallery. Convert PDF into a digital lookbook Upload a PDF or create a new digital catalog in minutes with our ZINation Studio drag-and-drop tool. It comes with all the tools you need to create a brand new and personalized shoppable catalog/lookbook to WOW your buyers and drive more sales. Upload a PDF or create a new digital catalog in minutes with our ZINation Studio drag-and-drop tool. It comes with all the tools you need to create a brand new and personalized shoppable catalog/lookbook to WOW your buyers and drive more sales. more Quickly transform PDF catalogs into interactive online ones. Easily tag products in your PDF catalogs with Shopify info for seamless integrat Provide a seamless shopping experience directly from your digital catalog.

5.0(Reviews)

Add Unlimited Customization Fields to your products and provide a Live Image Preview of the product. Live Preview Options is a great app to add various customization fields to your Shopify products. You can add swatches, dropdown menus, buttons, text inputs, upload fields and much more. In addition, you can generate a live preview of the product as the user customizes it. Do price increases depending on the selection and even Conditional Logic to show/hide the options depending on the customer's selection. The app has no limits! As many fields as you want and as many products as you want! Live Preview Options is a great app to add various customization fields to your Shopify products. You can add swatches, dropdown menus, buttons, text inputs, upload fields and much more. In addition, you can generate a live preview of the product as the user customizes it. Do price increases depending on the selection and even Conditional Logic to show/hide the options depending on the customer's selection. The app has no limits! As many fields as you want and as many products as you want! more Add Unlimited customization options to your products! Allow your customer to see a Live Preview of your products directly in you shop. Make Price Increases depending on the user selection. Use Conditional Logic to Show/Hide options depending on previous selections! Add Swatches, Text inputs, Checkboxes, Dropdown menus, File/Image uploads...

4.8(Reviews)

LIVEARf - Realize, Arts, Frames. Complete Sales Engagement Platform for Wall Art Artists & Framers LIVEARf, a SaaS Vertical App focusing on a Complete stakeholder (Customers, Vendors,Partners) Engagement platform exclusively for Wall Art Artists, Custom Framing Merchants Community. Our modules work across Web Browsers, Mobile Native app, Augmented Reality, Machine Learning, AI for greater engagement. Our modules are available to use individually as well as cohesively together while we continue to upgrade. Single page eCommerce Virtual framing of the artworks uploaded by artists, photographers LIVEARf, a SaaS Vertical App focusing on a Complete stakeholder (Customers, Vendors,Partners) Engagement platform exclusively for Wall Art Artists, Custom Framing Merchants Community. Our modules work across Web Browsers, Mobile Native app, Augmented Reality, Machine Learning, AI for greater engagement. Our modules are available to use individually as well as cohesively together while we continue to upgrade. Single page eCommerce Virtual framing of the artworks uploaded by artists, photographers more LIVE VUE - Virtual Framing, Art Viewing on Actual room walls with WebAR tech LIVE CRU - Art images upload from any devices, any photo apps with Crop & more LIVE VAG Virtual Art Gallery. LIVE Social Login for Art Collectors, LMS Students

5.0(Reviews)

Your store needs a slide cart drawer, gifts, upsells, tier and shipping discounts, fraud protection. Increase revenue and average order value with tiered discounts, free shipping offers, and a customizable cart drawer/slide cart that adds in-cart upsells, bundles, and gifts before checkout. Create cross-sell, BOGO, and free gift campaigns and promotions across the cart, checkout, and post-purchase flow. Built for Shopify and optimized for Shopify Plus, helping merchants lift AOV while keeping the checkout experience seamless. Increase revenue and average order value with tiered discounts, free shipping offers, and a customizable cart drawer/slide cart that adds in-cart upsells, bundles, and gifts before checkout. Create cross-sell, BOGO, and free gift campaigns and promotions across the cart, checkout, and post-purchase flow. Built for Shopify and optimized for Shopify Plus, helping merchants lift AOV while keeping the checkout experience seamless. more Customizable slide cart drawer with in-cart upsells, cross-sells & bundles Auto-add free gifts, BOGO deals & buy X get Y offers to increase cart completion Offer site-wide promotions via Tier and Shipping Discounts Protect your cart from fraud via Checkout Restrictions and Product Limiters Post-purchase & checkout upsells to capture more revenue per order

5.0(Reviews)

Elevate your customers' shopping experience with "Seamless Sticky bar" & "Immersive Cart Drawer" If you’re looking to streamline your customers’ shopping experience while boosting your sales, LM Sticky Cart Drawer & Upsell is the ultimate solution. With customizable features and a focus on convenience, this app helps you create a seamless journey that keeps customers engaged. Install now and witness its transformative impact on your business! If you’re looking to streamline your customers’ shopping experience while boosting your sales, LM Sticky Cart Drawer & Upsell is the ultimate solution. With customizable features and a focus on convenience, this app helps you create a seamless journey that keeps customers engaged. Install now and witness its transformative impact on your business! more Fully customizable cart drawer with advanced settings and easy management. Sticky notification bar appears instantly when "Add to Cart" is clicked. Customizable progress bar shows customers their journey to free shipping. Upsell popup appears when "Add to Cart" is clicked, boosting extra sales. Suggest related products in the cart drawer to promote additional purchases.

5.0(Reviews)

A highly customisable store locator, map & directory app packed with SEO functionality for locations Out-the-box anyone can set up a beautiful and powerful stockists or store locator with our pre-made themes that automatically match the style of your site. For a developer, we provide a full customization toolkit to make super custom experiences. In the hands of a search engine optimizer, we unlock a huge footprint of customizable local landing pages, vastly increasing the depth of search terms you can rank super well for. We also provide multi-language support and an API to manage locations. Out-the-box anyone can set up a beautiful and powerful stockists or store locator with our pre-made themes that automatically match the style of your site. For a developer, we provide a full customization toolkit to make super custom experiences. In the hands of a search engine optimizer, we unlock a huge footprint of customizable local landing pages, vastly increasing the depth of search terms you can rank super well for. We also provide multi-language support and an API to manage locations. more Customise your locator with access to Liquid and Themes. SEO landing pages for locations, cities, regions and countries. Custom fields, tags, filters, opening hours, editable meta and map styles. Display content in multiple languages. API access to manage locations and build custom integrations.

4.5(Reviews)

Turn lifestyle images into shoppable Lookbook galleries with product tags and direct add to cart Add shoppable tags on images so that customers can shop directly from the lookbook gallery. This creates a beautiful shopping hotspot for your customers to find out more details about featured products and add them directly to their cart. With this visual shopping experience that the Lookbook brings, your customers can imagine what they are going to buy thereby increasing your sales. Looking to re-direct customers to another page? Easily add hyperlinks to your images. Add shoppable tags on images so that customers can shop directly from the lookbook gallery. This creates a beautiful shopping hotspot for your customers to find out more details about featured products and add them directly to their cart. With this visual shopping experience that the Lookbook brings, your customers can imagine what they are going to buy thereby increasing your sales. Looking to re-direct customers to another page? Easily add hyperlinks to your images. more Lookbook With drag and drop image upload, begin building unlimited Galleries. Images can be made shoppable within your Lookbook Gallery. The Add To Cart will help increase conversions and enhance customer experience. Customize galleries to better match your brand presentation Bulk upload and organize images easily

4.9(Reviews)

Create clean and stunning galleries. Allow users to add products to cart from images you upload. With Lookbookify, you can tag products on each photo you upload, link several images to a lookbook, and inspire your visitors to buy more products on one page. The default design of our lookbooks is minimalistic, simple, and attractive. We offer multiple layouts, including grid or slider. Our galleries are fully responsive and compatible with all mobile devices. All your images are delivered by a globally available CDN. As a powerful tool for promotion, use Customer Lookbook or Look Spotlight. With Lookbookify, you can tag products on each photo you upload, link several images to a lookbook, and inspire your visitors to buy more products on one page. The default design of our lookbooks is minimalistic, simple, and attractive. We offer multiple layouts, including grid or slider. Our galleries are fully responsive and compatible with all mobile devices. All your images are delivered by a globally available CDN. As a powerful tool for promotion, use Customer Lookbook or Look Spotlight. more Tag multiple products on your photos with 'Add to Cart' or 'Details' buttons Easily embed your images & lookbooks into any page of your store with 2.0 themes View detailed graphs & analytics to see how customers interact with your images Promote your galleries on product pages with the 'Look Spotlight' feature Use other features like: reorder, pre-selected product variant, infinite scroll

4.8(Reviews)

The easy and fast solution for creating captivating image gallery, lookbook, portfolio and carousel Elevate your store's visual appeal with captivating lookbook, photo gallery, product gallery, video gallery, collection gallery, shoppable image, grid portfolio gallery. Seamlessly tag multiple products with hotspots, enable shopthelook experiences. drive sales with upsell bundles and layout flexibility. Save time with efficient photo uploads, delivering an enhanced online shopping experience. Elevate your brand's storytelling and product presentation to engage customers and enhance conversions Elevate your store's visual appeal with captivating lookbook, photo gallery, product gallery, video gallery, collection gallery, shoppable image, grid portfolio gallery. Seamlessly tag multiple products with hotspots, enable shopthelook experiences. drive sales with upsell bundles and layout flexibility. Save time with efficient photo uploads, delivering an enhanced online shopping experience. Elevate your brand's storytelling and product presentation to engage customers and enhance conversions more Tag multiple products with hotspots and redirect users from the image gallery Group products together and smart filters. Load more images for large galleries Multiple layouts gallery like row, carousel, masonry, list, shop the look & grid Bulk upload unlimited photos and arrange photo positions quickly. Save more time Compatible with Shopify 2.0, B2B features, and page builder. HTML embed anywhere

4.8(Reviews)

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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.