StoreCensus

Custom CSS Shopify Apps

Discover the best Custom CSS apps for your Shopify store in 2026. Compare features, pricing, and reviews to find the perfect solution.

Looking for the Top Custom CSS Apps?

We've analyzed thousands of custom css apps to identify the top performers based on ratings and install counts.

View Best Custom CSS Apps
View all categories

Recently Viewed Products lets customers remember items they want to buy, and thus increase sales. The recently viewed products image slider will automatically display images of items that customers have previously looked at. In addition to adjusting the border, style, and color, you can also choose whether or not to autoplay and loop the pictures in your slider. Simply install the app in your Shopify store dashboard page, configure your settings (including how many products show up), and then paste a shortcode into any Theme pages you want active. The recently viewed products image slider will automatically display images of items that customers have previously looked at. In addition to adjusting the border, style, and color, you can also choose whether or not to autoplay and loop the pictures in your slider. Simply install the app in your Shopify store dashboard page, configure your settings (including how many products show up), and then paste a shortcode into any Theme pages you want active. more The image slider makes it easy for customers to find recently viewed products. It will help customers to find his/her recently viewed products. Change the number of products to display in the image slider. Choose whether to show the slider on other page / popup for product description. You can choose whether to have the image slider autoplay or loop continuously.

0.0(Reviews)

Order editing trusted by world‑class brands. Happier shoppers, more sales, fewer tickets. Revize delivers enterprise grade order editing trusted by world‑class brands. Shoppers edit orders before shipping: edit shipping address, change quantity & variants, swap/ add products, apply discounts, generate tax invoices, or cancel orders. Auto-refunds as store credits keep revenue. AI upsells on order status page, email upsells & auto cancel orders. 100+ integrations: Klaviyo, Recharge & Shopify Flow. Third-party checkout support. 20+ languages. Enterprise order editor for Shopify. Revize delivers enterprise grade order editing trusted by world‑class brands. Shoppers edit orders before shipping: edit shipping address, change quantity & variants, swap/ add products, apply discounts, generate tax invoices, or cancel orders. Auto-refunds as store credits keep revenue. AI upsells on order status page, email upsells & auto cancel orders. 100+ integrations: Klaviyo, Recharge & Shopify Flow. Third-party checkout support. 20+ languages. Enterprise order editor for Shopify. more Edit shipping address, change variants & quantity, swap/ add products, discounts Cancel orders with instant refunds or auto-refunds as store credits AI post-purchase upsells on order status page. Email upsells. Boost AOV Subscription editing, B2B orders, tax invoices, smart edit windows & tag rules 100+ integrations, 20+ languages, third-party checkout & Built for Shopify

5.0(Reviews)

Boost your Average Order Value with Upsells, Upgrades & Discounts. Sell more, and better! Don’t miss the opportunity to sell more items on every order with upsell and cross-sell offers. Set up manual or AI offers which contain upsell and/or upgrade products, you can also add automatic and combinable discounts, which increases the conversion rates. Revy Unlimited UpSell goal is to increase your average order revenue without bothering your customers, providing a light experience but that can bring great results. UpSell and Cross-sell now! Don’t miss the opportunity to sell more items on every order with upsell and cross-sell offers. Set up manual or AI offers which contain upsell and/or upgrade products, you can also add automatic and combinable discounts, which increases the conversion rates. Revy Unlimited UpSell goal is to increase your average order revenue without bothering your customers, providing a light experience but that can bring great results. UpSell and Cross-sell now! more Call-to-Action Trigger - Upsell or Cross-Sell at the add-to-cart action AI AutoPilot — AI-driven recommendations for highly relevant offers Mobile-first Design - Optimized for a smooth mobile & desktop experience Auto Discounts - Leverages the latest discount tech for a native-like experience Automatic & Clean Install - No theme disruption, ZERO coding needed

4.7(Reviews)

Drive Sales w/ Sales Pop Up, Social Proof, Sales Notification, Stock alert, FOMO, & Countdown timer Maximize conversions with Sales Rocket by creating urgency and FOMO in your Shopify experience using sales popups and email popup ups. Boost sales with social proof to your store with sales notifications, falling emojis and emoji reactions. Encourage faster buy decisions in your Shopify store with quick view stock counter and countdown FOMO timer. These urgency tools elevate user experience and motivate purchases, leading to higher revenue. Implement Sales Rocket for impactful sales growth. Maximize conversions with Sales Rocket by creating urgency and FOMO in your Shopify experience using sales popups and email popup ups. Boost sales with social proof to your store with sales notifications, falling emojis and emoji reactions. Encourage faster buy decisions in your Shopify store with quick view stock counter and countdown FOMO timer. These urgency tools elevate user experience and motivate purchases, leading to higher revenue. Implement Sales Rocket for impactful sales growth. more Sales Popup: Spark engagement with real-time notifications of recent purchases Popup: Offer limited time offers & coupons to users with an urgency pop up Stock Countdown: Encourage FOMO buying w/ visible, diminishing stock levels Countdown Timer: Infuse urgency with urgency timers for special deals & offers Animated Buttons: Elevate checkout with animated cart and checkout button

4.8(Reviews)

Easily add an interactive Google map of your shop or stockist/Supplier locations. Add store locations individually or in bulk, and list by location, radius, or custom tags. Customize the interactive Google map design to match your store perfectly. Customers can easily find nearby stores or Suppliers, get directions, and filter by unique store or stock details you add in. Add store locations individually or in bulk, and list by location, radius, or custom tags. Customize the interactive Google map design to match your store perfectly. Customers can easily find nearby stores or Suppliers, get directions, and filter by unique store or stock details you add in. more Bulk import: Upload 500+ locations via a simple CSV file. Custom Store Tags: Allow customers to filter and find stores by a tag. Fully Customizable: Add custom store images and pins to the interactive map. Dynamic View: Enable stores locations to load instantly as the map is explored. Live Support 24/7 - Contact us to Schedule Installation Support

4.8(Reviews)

Replace the search icon with an AI Search Bar, add Product & Collection Filters to improve discovery Supercharge your store’s search and filters—without breaking your theme or slowing page speed. Build any filter: price, brand, color, size, metafields, tag—you name it. Turn the tiny magnifying-glass widget into an always-visible AI search bar with typo tolerance, predictive recommendations, and semantic understanding. Then fine-tune results with product boost, and smart synonym management so shoppers always see the best of your catalog. Faster search. Cleaner navigation. Higher conversions. Supercharge your store’s search and filters—without breaking your theme or slowing page speed. Build any filter: price, brand, color, size, metafields, tag—you name it. Turn the tiny magnifying-glass widget into an always-visible AI search bar with typo tolerance, predictive recommendations, and semantic understanding. Then fine-tune results with product boost, and smart synonym management so shoppers always see the best of your catalog. Faster search. Cleaner navigation. Higher conversions. more AI Search Bar: show typo-tolerant, predictive instant search results instantly Always-Visible Search Bar: Replace the search icon to boost engagement & sales Custom product filters & collection filter menu: tag filter, metafield, etc Product merchandising: pin, boost, demote, or hide to spotlight bestsellers Scales to 1M+ products: blazing fast, no slowdown, works with any theme

4.8(Reviews)

Easy contact form, contact us form, contact page, form builder: the great way to reach your audience Wondering why you need a contact form (contact us form) on your website? Why not just publish an email address instead? A contact form (contact us form) makes your store more interactive and useful. And a contact form (contact us form) will be very helpful to help you grow your business. You can easily create beautiful & professional contact forms, contact us pages. Feel free to try our app to understand why merchants around the world trust S: Contact Form Builder. Wondering why you need a contact form (contact us form) on your website? Why not just publish an email address instead? A contact form (contact us form) makes your store more interactive and useful. And a contact form (contact us form) will be very helpful to help you grow your business. You can easily create beautiful & professional contact forms, contact us pages. Feel free to try our app to understand why merchants around the world trust S: Contact Form Builder. more Build contact form/popup contact form/contact us page easily with form builder Build many form types: contact/survey/product question/subscription form, etc Custom email messages, auto-response, integration of popular email services Manage Submissions: view submission history, report or export submissions easily Multi-steps, conditional logic, integrates with Shopify Customers, Google sheets

4.8(Reviews)

Build your Store locator/Dealer locator/Stockist locations page with Google Maps easily Our Store Locator app will help you show all your physical stores, dealers, distributors, and more on a single page on your Shopify website. Use Google maps to display store locations/dealer locations with exact addresses to make the shopping process as easy as it can be. You can add an unlimited number of store locations that will be conveniently displayed and ordered as per your personal preferences. Feel free to try our app to understand why merchants around the world trust us. Our Store Locator app will help you show all your physical stores, dealers, distributors, and more on a single page on your Shopify website. Use Google maps to display store locations/dealer locations with exact addresses to make the shopping process as easy as it can be. You can add an unlimited number of store locations that will be conveniently displayed and ordered as per your personal preferences. Feel free to try our app to understand why merchants around the world trust us. more Add unlimited locations, bulk upload locations with a CSV file/spreadsheet Easily search for stores by location/postcode/store name/product name/tags Add location detail page, connect products, add meta tags, tracking code Dealer registration form, location contact form, Heat-map, language translation Multi page layout & map style, custom CSS, bulk import & export stores

4.8(Reviews)

Split products & show all variants on collection page, make combined listing as color swatches Transforms how you manage & list product options. Split product variants to enhance discovery of variants on collection page. Create product groups to connect variants like Shopify combined listings. Each product variant will get a variant specific product title, variant images, descriptive variant URLs & a variant description, offering a superior shopping experience, improved search and filter results, & enhanced SEO. Color swatch & variant image swatches make it easy to get to variant listings Transforms how you manage & list product options. Split product variants to enhance discovery of variants on collection page. Create product groups to connect variants like Shopify combined listings. Each product variant will get a variant specific product title, variant images, descriptive variant URLs & a variant description, offering a superior shopping experience, improved search and filter results, & enhanced SEO. Color swatch & variant image swatches make it easy to get to variant listings more Split product variants to show all variants on collection page as color swatches Group product variants as combined listing for easy variant navigate Rich product listings of each variant with unique titles, variant images, URLs Improved search and filter results, enhanced SEO with individual variant listing Color swatch & variant image swatches for quick variant comparison and selection

5.0(Reviews)

Cart Upsell—Slide Cart Drawer let you uplift revenue with unlock offers cart upsell & cross sell Uplift sales with Cart Upsell , Slide Cart Drawer to boost sales & aov with cart upsell solution for your store's cart mini cart and cart page. Improve customers' experience by letting them add note, apply discount codes, estimate shipping rates without going to the cart sidebar and cart slidebar to buy more and reduce abandoned cart with free shipping progressive bar, countdown timer, product upsell. Use sale max to increase your average order value with our upselling and cross-selling module. Uplift sales with Cart Upsell , Slide Cart Drawer to boost sales & aov with cart upsell solution for your store's cart mini cart and cart page. Improve customers' experience by letting them add note, apply discount codes, estimate shipping rates without going to the cart sidebar and cart slidebar to buy more and reduce abandoned cart with free shipping progressive bar, countdown timer, product upsell. Use sale max to increase your average order value with our upselling and cross-selling module. more Drag and drop customizable slide cart and cart page builder that fit your theme Slide cart upsell in sale max instead of showing annoying cart popup Create free shipping progressive bar, cart countdown timer Show relevant product recommendations in cart drawer based on the customers cart Product bundle discounts in side cart and double your profit margin

4.8(Reviews)

Display & customize country-specific free shipping boxes to increase sales and avoid abandoned carts Sales Box helps you to create a shipping box to show any important information on your Product page, right under the "Add to Cart" button or anywhere. It helps your customers make decisions faster, decrease abandoned carts & increase conversions. With Sales Box, you can track the customer location and auto-show the shipping cost, shipping time, and any promotion you set up. The unlimited number of impressions and page views. Now you can rocket your sales with Sales Box. Sales Box helps you to create a shipping box to show any important information on your Product page, right under the "Add to Cart" button or anywhere. It helps your customers make decisions faster, decrease abandoned carts & increase conversions. With Sales Box, you can track the customer location and auto-show the shipping cost, shipping time, and any promotion you set up. The unlimited number of impressions and page views. Now you can rocket your sales with Sales Box. more Display the shipping fee or sales promotion based on Geolocation Effortlessly set up promotions on specific products to increase conversion Choose from beautiful holiday themes or add your own to express ideas or moods Automatically use IPs to convert currency and translate messages No code required & compatible with almost all Shopify themes and business models

3.9(Reviews)

Drive sales with customizable timers and a unique upsell module—maximize conversions effortlessly! The Timer & Upsell app is designed to supercharge your conversion rates by leveraging powerful countdown timers that create a sense of urgency and scarcity. Perfect for rush sales, flash sales, and FOMO (Fear of Missing Out), this app allows you to set customizable timers for specific products, collections, or even entire pages. Also good for new product launch. The built-in Timer Ultimate feature is ideal for limited-time offers during key Holiday sales. Also good choise for urgency sales timer The Timer & Upsell app is designed to supercharge your conversion rates by leveraging powerful countdown timers that create a sense of urgency and scarcity. Perfect for rush sales, flash sales, and FOMO (Fear of Missing Out), this app allows you to set customizable timers for specific products, collections, or even entire pages. Also good for new product launch. The built-in Timer Ultimate feature is ideal for limited-time offers during key Holiday sales. Also good choise for urgency sales timer more Upsell Module: Promote products with unique discounts to drive sales. Flexible Customization: Adjust text, colors, and placement of countdown widgets. Templates: for seasonal events categories: Black Friday, Halloween, Christmas Easy Timer Creation: Intuitive design for quick setup without coding. Set different positions: top bar, bottom bar, cart page, home page or collection

5.0(Reviews)

Sense of Urgency, Fear Of Missing Out and Social Proof with our live sales notifications pop-up app. Display recently purchased products in real-time popup notifications to show how fast-selling they are with SalesPush. Use these sales notifications as social proof and to create a sense of urgency around products a shopper is interested in. With Sales Push, you can create and showcase manual sales notifications on your store too, to cross-sell selected products, coupon marketing or to offer free shipping! Display recently purchased products in real-time popup notifications to show how fast-selling they are with SalesPush. Use these sales notifications as social proof and to create a sense of urgency around products a shopper is interested in. With Sales Push, you can create and showcase manual sales notifications on your store too, to cross-sell selected products, coupon marketing or to offer free shipping! more Show recent sales notifications to site visitors for social proof and scarcity. Manual popup notifications to cross-sell products. Display custom alerts with coupon code or free shipping details.

4.9(Reviews)

Take Control of Shipping Protection — Build Trust & Create a Better Shopping Experience Sam Shipping Protection helps you offer clear and customizable coverage for lost, damaged, or stolen orders. You stay in control of the protection program while giving customers added confidence during checkout. The app fits naturally into your store, helping you create a smoother and more transparent shopping experience. The app supports multiple languages and currencies for flexible global use. No middlemen. No revenue sharing. Just more profit — and happier customers. Sam Shipping Protection helps you offer clear and customizable coverage for lost, damaged, or stolen orders. You stay in control of the protection program while giving customers added confidence during checkout. The app fits naturally into your store, helping you create a smoother and more transparent shopping experience. The app supports multiple languages and currencies for flexible global use. No middlemen. No revenue sharing. Just more profit — and happier customers. more Flexible protection plans: fixed fees, order ranges, or percentage-based options Auto-add to cart & auto-fulfillment Customizable widget that matches your brand style Easy self-serve claims portal for customers Supports multiple languages and currencies

5.0(Reviews)

Boost Sales with Free Product Samples Based on Cart Value – Smart Upsell & Cross-Sell Strategy! Drive sales and engagement with Sample Products! Offer free samples based on cart value, giving customers the freedom to explore new products. Unlike BOGO & standard free product apps, this tool personalizes incentives, making it ideal for cosmetics, healthcare & food supplements, pet products, and FMCG brands. Increase AOV, reduce discounts, and create loyal shoppers by letting them try before they buy! it’s a smart upsell tool that Maximize conversions with strategic free sampling! Drive sales and engagement with Sample Products! Offer free samples based on cart value, giving customers the freedom to explore new products. Unlike BOGO & standard free product apps, this tool personalizes incentives, making it ideal for cosmetics, healthcare & food supplements, pet products, and FMCG brands. Increase AOV, reduce discounts, and create loyal shoppers by letting them try before they buy! it’s a smart upsell tool that Maximize conversions with strategic free sampling! more Perfect App for Cosmetics, Health Care & Food Supplements, Pet Products & FMCG Offer free samples based on cart value with custom rules & limits. Let customers choose their samples — no forced gifts or BOGO restrictions. Set flexible sample rewards like 1 for $50, 2 for $75, or any custom rule. Boost AOV & reduce discounts with strategic sample-based upselling.

3.6(Reviews)

Show targeted announcement bars by page, cart, location, or customer. Drive actions with offers. SB Announcement Bar helps you show the right message to the right customer at the right time. Create a global bar or targeted bars based on page type, product, collection, cart value, customer tags, or visitor country. Schedule campaigns to start and stop automatically. Use countdown timers, cart messages, carousel announcements, and marquee text to guide actions. Works with all Shopify themes including Online Store 2.0. SB Announcement Bar helps you show the right message to the right customer at the right time. Create a global bar or targeted bars based on page type, product, collection, cart value, customer tags, or visitor country. Schedule campaigns to start and stop automatically. Use countdown timers, cart messages, carousel announcements, and marquee text to guide actions. Works with all Shopify themes including Online Store 2.0. more Show different bars based on page, product, cart, or location. Display cart value messages like free shipping or order goals. Schedule campaigns with automatic start and end times. Add countdown timers for flash sales and limited time offers. Rotate multiple announcements using carousel or scrolling text.

5.0(Reviews)

Boost sales by turning product personalization into revenue with our fast product design studio Custom product designer tool simplifies product personalization and improves product customization experience that boost conversions on your store. Product customizer tool enhances your web to print store’s experience. Shoppers add images, text, colors, patterns, shapes & cliparts using safe-area indicators and print templates. Create personalized products like t-shirts, mugs, phone cases, and more. Generate print-ready files for POD integration with Printful, Printify and Gelato(Coming Soon). Custom product designer tool simplifies product personalization and improves product customization experience that boost conversions on your store. Product customizer tool enhances your web to print store’s experience. Shoppers add images, text, colors, patterns, shapes & cliparts using safe-area indicators and print templates. Create personalized products like t-shirts, mugs, phone cases, and more. Generate print-ready files for POD integration with Printful, Printify and Gelato(Coming Soon). more Ready to use text, images, cliparts, patterns & product colors & add your own Get print ready file of personalized products in .PNG, .JPG/JPEG, .SVG, .PDF Create custom pricing for text, images, clip-arts and patterns, along with tier pricing rules Bulk Ordering with Size & Color Variants, Layout Personalization, Remove Image Background Customers design product in any device with multiple product sides design area

4.6(Reviews)

Display custom shoppable Instagram and TikTok feeds that boosts engagement and drives sales! With Showcase Instagram and TikTokFeed, you can display a custom, shoppable Instagram feed on your storefront to showcase your best social content. Select which posts to feature, including Reels, IGTV, photos, and videos. Choose from clean slider or grid layouts that match your brand. Engage shoppers, link products directly in posts, increase social reach, and turn browsing into sales. Create shoppable Instagram lookbook (Shop the look) by tagging multiple products. With Showcase Instagram and TikTokFeed, you can display a custom, shoppable Instagram feed on your storefront to showcase your best social content. Select which posts to feature, including Reels, IGTV, photos, and videos. Choose from clean slider or grid layouts that match your brand. Engage shoppers, link products directly in posts, increase social reach, and turn browsing into sales. Create shoppable Instagram lookbook (Shop the look) by tagging multiple products. more Display photos, shoppable reels (videos) in grid/slider/collage layouts Create shoppable Instagram lookbook (Shop the look) by tagging multiple products Tag products on your posts and create a Shoppable Instagram & TikTok Feed. Curate UGC by showcasing relevant posts w/ Instagram hashtags, mentions, tags 24/7 Live Chat support to answer all your questions with gallery customization

4.8(Reviews)

Unlimited Product Customization with Infinite Options, Variant Options, Swatches & Conditional Logic SC Product Options is your ultimate variant option app for product customization. It enables you to add limitless product options and variant images to your product pages, allowing customers to fully customize products to their liking. Whether you need to add color swatches, text boxes, or file upload fields, this product customizer has you covered. Take your Shopify store to the next level with SC Product Options. SC Product Options is your ultimate variant option app for product customization. It enables you to add limitless product options and variant images to your product pages, allowing customers to fully customize products to their liking. Whether you need to add color swatches, text boxes, or file upload fields, this product customizer has you covered. Take your Shopify store to the next level with SC Product Options. more Create unlimited product options fields with advanced conditional logic. Upsell custom products to boost revenue and Average Order Value. Support for color swatches and variant images to visualize customizations. Text box and file upload features for customer-provided details. Reduce returns and increase retention with product personalizer.

4.6(Reviews)

Maximize order value with an interactive, on-brand, geo-targeted sales motivator bar in minutes. Sell more to every customer, and ignite revenue with branded, interactive promotional campaigns. Create urgency and boost sales with real-time calculations to let them know how close they are to receiving a promotion, free gift, promo code or free shipping. Use geolocations to display promotions specific to regions or countries. Set up your promotional drop-down banner in seconds from the comfort of your admin account. Onboarding & Setup Assistance. Point and click to customize - no code needed! Sell more to every customer, and ignite revenue with branded, interactive promotional campaigns. Create urgency and boost sales with real-time calculations to let them know how close they are to receiving a promotion, free gift, promo code or free shipping. Use geolocations to display promotions specific to regions or countries. Set up your promotional drop-down banner in seconds from the comfort of your admin account. Onboarding & Setup Assistance. Point and click to customize - no code needed! more Ignite revenue and grow AOV with branded, interactive promotional campaigns. Real-time sales calculations and interactive messaging to create urgency. Tell customers how much they need to spend to reach a goal when they add to cart Geolocation to display promotions and messaging to specific countries or regions No code, no risk, point and click to customize your banner in seconds.

4.7(Reviews)

Related Categories

About Custom CSS Apps for Shopify

Custom CSS apps are essential tools for Shopify merchants looking to enhance their store's functionality and improve customer experience. These specialized applications help store owners streamline operations, increase sales, and provide better service to their customers.

When choosing a custom css app for your Shopify store, consider factors such as features, pricing, customer support, and compatibility with your theme and other apps. Reading reviews from other merchants can also provide valuable insights into the app's performance and reliability.

The apps listed on this page represent some of the best custom css solutions available in the Shopify App Store. Each has been selected based on its functionality, user ratings, and overall value for Shopify merchants.