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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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Add Shop The Look to product pages. Showcase your customer's love by allowing them to upload images. Images speak more than words. So, using this app, you can add images to all products of your store or to only a single product to showcase some customers photos. Adding customer generated images will increase your brands trust value and help convert more visitors into paying customers. Studies have shown that adding a social proof to the product pages increases the conversion rate by a large degree. So, use this app to add that trust factor to your product pages. Images speak more than words. So, using this app, you can add images to all products of your store or to only a single product to showcase some customers photos. Adding customer generated images will increase your brands trust value and help convert more visitors into paying customers. Studies have shown that adding a social proof to the product pages increases the conversion rate by a large degree. So, use this app to add that trust factor to your product pages. more Add gallery / Shop The Look to the product pages. Showcase your brand's UGC on brand only page. Add social proof

4.7(Reviews)

StudBuilderⓇ expands your online inventory allowing you to display and sell Studs with Diamonds. Shopify store owners have the opportunity to seamlessly showcase Studs and diamonds on their websites. StudbuilderⓇ by GemFind expands your online inventory allowing you to display and sell virtual or in-stock products to your potential customers. StudbuilderⓇ connects retailers with stud and diamond suppliers through our proprietary platform JewelCloud as well as facilitates the insertion of inventory from the backend. Shopify store owners have the opportunity to seamlessly showcase Studs and diamonds on their websites. StudbuilderⓇ by GemFind expands your online inventory allowing you to display and sell virtual or in-stock products to your potential customers. StudbuilderⓇ connects retailers with stud and diamond suppliers through our proprietary platform JewelCloud as well as facilitates the insertion of inventory from the backend. more Shopify Website Development Comprehensive Digital Marketing Jewelry Store POS Integration Visit our website to learn more

0.0(Reviews)

AI-powered Page Builder built for Conversion. Create Sales Funnels with Post-Purchase Upsell Offers Conversion-Focused Page Builder for Shopify. Build all page types faster with with AI-powered tools and a flexible drag-and-drop editor - no code. Choose from 400+ CRO templates optimized for speed and performance across all industries and niches. Build complete sales funnels featuring post-purchase upsells and A/B testing. Each page is SEO-optimized, mobile-responsive, and fast-loading for better conversions. Seamlessly integrate with 160+ Shopify apps to enhance your store’s capability. Conversion-Focused Page Builder for Shopify. Build all page types faster with with AI-powered tools and a flexible drag-and-drop editor - no code. Choose from 400+ CRO templates optimized for speed and performance across all industries and niches. Build complete sales funnels featuring post-purchase upsells and A/B testing. Each page is SEO-optimized, mobile-responsive, and fast-loading for better conversions. Seamlessly integrate with 160+ Shopify apps to enhance your store’s capability. more Build all page types: Home, Product, Landing, Advertorial, Collection, and more SEO-friendly pages: Mobile-ready designs that work with latest Shopify theme Built-in CRO & sales boosters: Countdown, Stock Counter, Bundles, Before & After AI-driven Page Builder: Turn images & URLs into ready-to-edit layouts in seconds Customizable Funnels: Add post-purchase upsells & downsells offer to boost AOV

4.9(Reviews)

Empower Your Customers: Design Personalized Products Your Way, According to Your Rules (On Demand) gfx provides advanced customization tools for enabling unique products in your store. Built from collaborative experience with global sellers, gfx gives your store a new suite of tools for fun and interactive products. Let your fans collaborate with YOU! They can customize and personalize your designs using flexible templates and configurable rules with endless options. gfx provides advanced customization tools for enabling unique products in your store. Built from collaborative experience with global sellers, gfx gives your store a new suite of tools for fun and interactive products. Let your fans collaborate with YOU! They can customize and personalize your designs using flexible templates and configurable rules with endless options. more Create, publish, customize and print on-demand personalized products Upload your assets & easily set rules on customization and personalization Advanced AI protects against unwanted content and quickly moderate what’s submit Plug in with your favorite print-on-demand solution to avoid upfront costs Our support team is available to help you along the way with any questions.

0.0(Reviews)

Upgrade your Product Page with a slideshow Image Gallery. Follow the best practices and sell more! This app replaces your old product page gallery with a slider. You can add a photo gallery of product pictures in one click. Now your customers can navigate easier, see images and product video in slides & image grid or image carrousel. All features: images slider with arrows and thumbnails, image magic zoom product photo slider, magnify, autoplay video player, show product gallery, product page images for variants (multiple variant images), product image zoom, slide show lightbox. This app replaces your old product page gallery with a slider. You can add a photo gallery of product pictures in one click. Now your customers can navigate easier, see images and product video in slides & image grid or image carrousel. All features: images slider with arrows and thumbnails, image magic zoom product photo slider, magnify, autoplay video player, show product gallery, product page images for variants (multiple variant images), product image zoom, slide show lightbox. more Easy install - choose the best images layout for your product page image gallery Select image carousel type, arrows, colors, thumbs, video player & image zoom Optimized for Mobile - swipe Product Images and Video just as in Instagram Variant Images - show images of the selected variant only in a slideshow Rich Media support - play product videos and show product 3D models in AR

4.8(Reviews)

Turn separate products into variant-style swatches on PDP, collection, and search each keeps its URL GROOPIE helps fashion and catalog stores that list each color or style as its own product. Connect related listings with swatches on product pages, collection grids, search results, and home sections-each product keeps its own URL, title, and ranking. Build Perfectly Paired groups to increase order value. Set up your first group in minutes- no code. Theme editor setup walks you through your first swatch group in under 5 minutes. GROOPIE helps fashion and catalog stores that list each color or style as its own product. Connect related listings with swatches on product pages, collection grids, search results, and home sections-each product keeps its own URL, title, and ranking. Build Perfectly Paired groups to increase order value. Set up your first group in minutes- no code. Theme editor setup walks you through your first swatch group in under 5 minutes. more Collection & search swatches: Color/image/button swatches on product cards Products as variants: Link separate listings; each product keeps its own page Custom variant picker: Redesign Shopify options as swatches, buttons, dropdowns Auto-create product groups: From titles or tags in a few steps Product Group Import & Export

5.0(Reviews)

Motivate your customers to spend more with free gift with purchase (GWP) & BOGO offers. Unlock the power of free gifts to boost sales and loyalty. Our app lets you easily create custom gift offers—like BOGO, Buy X Get Y, or free shipping—without coding or design skills. Set your rules, add a message, and launch your campaign in minutes. Unlock the power of free gifts to boost sales and loyalty. Our app lets you easily create custom gift offers—like BOGO, Buy X Get Y, or free shipping—without coding or design skills. Set your rules, add a message, and launch your campaign in minutes. more Gift Rules – Set rules like Spend X, Buy X Get Y, or Collection-based Auto Add to Cart – Add free gifts automatically (optional) Fast & Easy – Launch gift offers in minutes, no coding needed Mobile Friendly – Smooth, responsive gift offers on all devices Multi-language – Popup now translatable via Shopify Translate app

4.9(Reviews)

Add gift wrapping, message cards, noshi, and more to your product, cart, or checkout pages Gift Options Plus adds gift wrapping, noshi, message cards, and more to your product, cart, and checkout pages. Show or hide options per product, with text, checkbox, and dropdown inputs styled to match your theme. In the cart, choose "separate" line items or "bundle" mode to merge a product and its options into one clean line. Auto order tagging and order notes integration streamline gift fulfillment, and multilingual support is built in. Set up in 3 steps with hands-on support. Gift Options Plus adds gift wrapping, noshi, message cards, and more to your product, cart, and checkout pages. Show or hide options per product, with text, checkbox, and dropdown inputs styled to match your theme. In the cart, choose "separate" line items or "bundle" mode to merge a product and its options into one clean line. Auto order tagging and order notes integration streamline gift fulfillment, and multilingual support is built in. Set up in 3 steps with hands-on support. more Add gift options to product, cart, or checkout — separate or bundle cart modes Offer gift wrapping, message cards, noshi, and more to boost order value Multilingual support — customize widget text for each language your store serves Set up in 3 steps with instant activation and free hands-on engineer support

4.4(Reviews)

Run giveaways where purchases, social actions and referrals earn entries and grow your list Giveaways and sweepstakes that reward every purchase and action. Award entries per dollar spent, target specific products or variants, and stack bonus rules for bundles and spending thresholds. Date-range multipliers create urgency at launch and before the campaign ends. Every giveaway lives on a branded landing page with an optional pop-up, ready to capture any traffic you send. Winners are drawn randomly with a built-in live draw tool. Live in minutes. Giveaways and sweepstakes that reward every purchase and action. Award entries per dollar spent, target specific products or variants, and stack bonus rules for bundles and spending thresholds. Date-range multipliers create urgency at launch and before the campaign ends. Every giveaway lives on a branded landing page with an optional pop-up, ready to capture any traffic you send. Winners are drawn randomly with a built-in live draw tool. Live in minutes. more Stack entry rules across spend, products, bundles and thresholds in one campaign Boost entries during product drops, flash sales, or your sweepstake's final hour Host your giveaway on a branded landing page or embed it directly in your store Sync entries to Klaviyo to trigger automations based on purchase activity Refer-a-friend, social actions and photo submissions for legal entry compliance

5.0(Reviews)

Premium Donation App | Manage charity donations and giving | Support charity causes in your store Givonate helps Shopify stores accept donations through customizable donation widgets with fixed or flexible amounts. Create campaigns for donations and charities with campaign goals, modern layouts, real-time giving tracking, and analytics. Match the widget style with your brand, view performance instantly, and collect contributions with ease. No coding required. Givonate is built for brands that support charity causes and want to drive engagement through charity and recurring donations. Givonate helps Shopify stores accept donations through customizable donation widgets with fixed or flexible amounts. Create campaigns for donations and charities with campaign goals, modern layouts, real-time giving tracking, and analytics. Match the widget style with your brand, view performance instantly, and collect contributions with ease. No coding required. Givonate is built for brands that support charity causes and want to drive engagement through charity and recurring donations. more Add branded donation popups to collect charity donations for nonprofits causes Create unlimited charity campaigns for donations with goals and custom layouts Track charity performance and donations progress for fundraising in real-time Set predefined charity donations amounts to simplify giving and encourage donors Track charity donations and analyze donation impact for your charity store

5.0(Reviews)

Easily set up and run Giveaways, Contests & Sweepstakes that drive real user engagement. Gleam Competitions is a Contest + Sweepstakes widget you can set up with a combination of entry methods that will drive traffic to your shop & increase real user engagement from visitors. Entrants have to complete actions such as subscribe to your email list or interact on social media in exchange for a chance to win your prize. Giveaway marketing is easy: Collect emails from visitors who want to win your prize, then keep them engaged with sales funnels & discounts after the giveaway is over. Gleam Competitions is a Contest + Sweepstakes widget you can set up with a combination of entry methods that will drive traffic to your shop & increase real user engagement from visitors. Entrants have to complete actions such as subscribe to your email list or interact on social media in exchange for a chance to win your prize. Giveaway marketing is easy: Collect emails from visitors who want to win your prize, then keep them engaged with sales funnels & discounts after the giveaway is over. more Create your own campaign, or use our campaign templates for every occasion. Run campaigns directly from your Shopify store to increase website traffic. Get entrants to sign up to your newsletter then sync to your Shopify admin. Use Viral Share action to incentivize entrants to refer their friends & family. Create photo contests to collect user-generated content from your customers.

3.4(Reviews)

Customize swatches and boost revenue with built-in product bundles. Show product options beautifully with clickable color and image swatches — fully customizable on product and collection pages. Group related products as variants to improve SEO and provide a seamless shopping experience. Boost sales with built-in product bundles — ideal for upsells, B2B, or promotions. Easy setup, no coding needed. Works with all themes and filter apps. Show product options beautifully with clickable color and image swatches — fully customizable on product and collection pages. Group related products as variants to improve SEO and provide a seamless shopping experience. Boost sales with built-in product bundles — ideal for upsells, B2B, or promotions. Easy setup, no coding needed. Works with all themes and filter apps. more Color swatch & image swatch anywhere(home page, collection page, search page) Group Products as Variants — Improve SEO and simplify product discovery. Product Bundles — Boost sales by offering bundled product combos. Hide out-of-stock variants, show low-stock alerts, and support multi-languages

5.0(Reviews)

Create powerful mega menus for large catalogs, help shoppers find products faster-no coding required Design stunning, flexible menus with Globo Mega Menu. Create multi-level dropdowns, add product images, icons, collections, and pages - no coding required. Customize layouts with our drag-and-drop builder to match your brand. Improve store navigation and boost user experience. Ideal for large catalogs and B2B stores. Fully responsive and works with all Shopify themes. Design stunning, flexible menus with Globo Mega Menu. Create multi-level dropdowns, add product images, icons, collections, and pages - no coding required. Customize layouts with our drag-and-drop builder to match your brand. Improve store navigation and boost user experience. Ideal for large catalogs and B2B stores. Fully responsive and works with all Shopify themes. more Dropdown menu with multiple levels, Tab, Block links, menu images. Block HTML, Featured products, New products, Featured blog posts, New blog posts Build menu bar with: contact form, search box, match font of theme, icon, etc. "HOT, NEW" badge, Menu item highlight, Fully responsive and mobile-friendly Easy to build your main menu, filter menu, smart menu, food menu

4.9(Reviews)

Unlimited custom product options for any store. Enable product personalization with live preview Shopify limit 2048 variants per product. This app helps you to create infinite custom product options like textbox, file upload, dropdown, etc... It also encourages buyers to personalize their products, which increases sales. Allow shoppers to design their own custom products based on flexible option choices. Apply particular option set to appropriate products. Your customer will be happy to pay a small extra amount for a custom option to have the most satisfied product. Shopify limit 2048 variants per product. This app helps you to create infinite custom product options like textbox, file upload, dropdown, etc... It also encourages buyers to personalize their products, which increases sales. Allow shoppers to design their own custom products based on flexible option choices. Apply particular option set to appropriate products. Your customer will be happy to pay a small extra amount for a custom option to have the most satisfied product. more Text input field, file upload, color swatch, variant image, dropdown, checkbox Add-on price - Additional cost when you customer choose a product variants Conditional logic: Show/hide relevant options depending on the previously select Import & Export product variants by CSV file. Complete product custom tool. Powerful product personalization w/ text, images, custom fields & live preview.

4.9(Reviews)

Design, sell, and scan event tickets at scale — native product variants and POS scanning Event Ticketing turns your store into your event ticketing platform. Each event is a product, with every date, time, and ticket type as a variant — sales flow through your store's analytics, inventory, and POS like any other product. Native extensions for theme, checkout, and POS. Branded PDF and Apple Wallet tickets. Self-service edits, transfers, and exchanges. Trusted by festivals, racing venues, conferences, and tour operators. Independently built and founder-led. Event Ticketing turns your store into your event ticketing platform. Each event is a product, with every date, time, and ticket type as a variant — sales flow through your store's analytics, inventory, and POS like any other product. Native extensions for theme, checkout, and POS. Branded PDF and Apple Wallet tickets. Self-service edits, transfers, and exchanges. Trusted by festivals, racing venues, conferences, and tour operators. Independently built and founder-led. more Branded tickets — PDF & Apple Wallet, delivered automatically Native Shopify variants — every date & ticket as a real variant Shopify POS scanning — Smart Grid tile, instant validation, and offline iOS App Theme blocks — event calendar & ticket list, no code Customer self-service — edit, transfer, exchange via order page

4.9(Reviews)

Boost AOV with free shipping bar, free gifts, BOGO, AI upsells & cart goals — under 2min, no code! Increase your average order value by combining progress bars, cart goals, rewards, and AI upsells into one seamless experience that drives higher conversions and increases cart value. Create free shipping bars, offer free gifts with purchase, run BOGO, and show AI product recommendations to increase cart value — all without coding. Perfect if you’re looking to: Increase AOV with cart incentives, offer a free gift with purchase, add a free shipping progress bar & use AI upsells to boost AOV. Increase your average order value by combining progress bars, cart goals, rewards, and AI upsells into one seamless experience that drives higher conversions and increases cart value. Create free shipping bars, offer free gifts with purchase, run BOGO, and show AI product recommendations to increase cart value — all without coding. Perfect if you’re looking to: Increase AOV with cart incentives, offer a free gift with purchase, add a free shipping progress bar & use AI upsells to boost AOV. more Configure rules such as ⇝ cart value, cart quantity, cart has XYZ products. Configure stackable rewards such as ⇝ free gift, free shipping, order discount. Set as much as rules and rewards you want, you can stack both rules and rewards. Multi design templates fully localized ⇝ translations & currency conversion. Use it both as a top bar on your shop + a widget which you can place anywhere.

5.0(Reviews)

Plant trees, remove plastic, and automate donations to 1.3 million non profits. Fully Compliant. Plant trees, remove ocean plastic, and collect charity donations from one Shopify app. Tree planting and plastic removal run automatically via verified partners like Veritree. Customers donate to 1.3M verified 501(c)(3) non-profits via round-up or a percentage of sales. GoodAPI handles Commercial Co-Venture (CCV) compliance: registrations, contracts, disclosures, and bonds. Show impact badges on product, cart, checkout, and thank-you pages. Multi-language and metafield/API support. Plant trees, remove ocean plastic, and collect charity donations from one Shopify app. Tree planting and plastic removal run automatically via verified partners like Veritree. Customers donate to 1.3M verified 501(c)(3) non-profits via round-up or a percentage of sales. GoodAPI handles Commercial Co-Venture (CCV) compliance: registrations, contracts, disclosures, and bonds. Show impact badges on product, cart, checkout, and thank-you pages. Multi-language and metafield/API support. more Automate tree planting, plastic removal and donations to 1.3 million non-profits Market impact on Home, Product, Cart, Thank You, Order, Checkout & Customer page Verified Trees, plastics and fully compliant with US Cause Marketing Laws Premium library of photos and videos to market your impact Dedicated support team to help you get set up!

5.0(Reviews)

Make free shipping irresistible! Motivate customers to spend more with a real-time progress bar. Imagine turning hesitant browsers into buyers—effortlessly. With GP Free Shipping Bar, you can display real-time cart progress that nudges customers to spend more and unlock free shipping. Fully customizable and mobile-friendly, this app targets specific pages, devices, and regions, delivering personalized shopping experiences. Whether you’re a small startup or a scaling store, this “set-it-and-forget-it” tool drives conversions and maximizes revenue. Don’t leave money in the cart—start today! Imagine turning hesitant browsers into buyers—effortlessly. With GP Free Shipping Bar, you can display real-time cart progress that nudges customers to spend more and unlock free shipping. Fully customizable and mobile-friendly, this app targets specific pages, devices, and regions, delivering personalized shopping experiences. Whether you’re a small startup or a scaling store, this “set-it-and-forget-it” tool drives conversions and maximizes revenue. Don’t leave money in the cart—start today! more Dynamic Progress Bar Track real-time cart value with automatic progress updates Extensive Customization Options Easily adjust colors, fonts, and banner position Geographic and Device Targeting Apply country-specific shipping rules and target Targeted Page Display Show the free shipping bar only on specific pages to enhan Language Localization Offer your free shipping bar in multiple languages.

4.6(Reviews)

Organize similar products in ‘groups’ and display them like variants on your product pages. Do you need dedicated product pages for your variants? Want your customers to switch between them easily? groupmate can help with that. We simplify the management of your product groups and seamlessly integrate them into your theme. Without affecting your page speed. Bonus: groupmate comes with an additional 'barebone' version, so that your dev team can truly customize the swatches to your needs and style guide, or build new functionalities on top of it. Do you need dedicated product pages for your variants? Want your customers to switch between them easily? groupmate can help with that. We simplify the management of your product groups and seamlessly integrate them into your theme. Without affecting your page speed. Bonus: groupmate comes with an additional 'barebone' version, so that your dev team can truly customize the swatches to your needs and style guide, or build new functionalities on top of it. more Like the "Shopify Combined Listings" App, already available for everyone Comes with different swatch styles (color, button and image) Simple, non-intrusive integration in your Online Store 2.0 theme Doesn't affect your page speed

5.0(Reviews)

Improve customer experience with live search results and personalized product recommendations. GS-Search & Sales Booster enables merchants to enhance the search experience with fully customizable options. Easily modify the search button’s color, size, and position to match your store’s design. Personalize the popup window layout to display search results in an organized and visually appealing way. Customers can type their queries into the customized search button, and real-time search results are displayed dynamically in the popup, improving navigation and boosting engagement. GS-Search & Sales Booster enables merchants to enhance the search experience with fully customizable options. Easily modify the search button’s color, size, and position to match your store’s design. Personalize the popup window layout to display search results in an organized and visually appealing way. Customers can type their queries into the customized search button, and real-time search results are displayed dynamically in the popup, improving navigation and boosting engagement. more Customizable Search Button: Modify button color, size, and position easily. Popup Window Settings: Personalize search result popups with layout options. Dynamic Search Results: Get real-time results in the popup based on user input.

0.0(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.