Easily add product options, checkout custom fields (Plus), file upload, upsells and more to orders. Add custom fields like file upload, text boxes, checkboxes, dropdowns, and date pickers to personalize orders with product options. Shopify Plus merchants can also add checkout custom fields. Use fields to collect customer details for personalized products, customized orders, gift messages, and more. Boost sales with fixed or percentage-based upsells. Add order form fields to specific products, variants, collections with flexible rules and conditional logic. Get started with friendly support. Add custom fields like file upload, text boxes, checkboxes, dropdowns, and date pickers to personalize orders with product options. Shopify Plus merchants can also add checkout custom fields. Use fields to collect customer details for personalized products, customized orders, gift messages, and more. Boost sales with fixed or percentage-based upsells. Add order form fields to specific products, variants, collections with flexible rules and conditional logic. Get started with friendly support. more Build and manage custom fields like text boxes, file uploads, and checkboxes. Boost sales with paid add-on fields using fixed or percentage-based options. Apply fields to specific products, variants, or collections with flexible rules. Collect additional order details using custom fields for personalization. Export responses to CSV and speed up fulfillment with accurate order info.
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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Make your store pop! Add fun, rounded icons and menus with clicks, visits, and views tracked Make it Bubble adds playful, rounded icons for clickable menus and category displays, ideal for visual brands. Track clicks, views, and visits to understand customer engagement. With easy setup, multi-language support, and custom fonts, it brings style to your store. Our analytics dashboard and live chat support help you optimize layouts and boost customer interaction, making it simple to create a unique, interactive storefront experience. Make it Bubble adds playful, rounded icons for clickable menus and category displays, ideal for visual brands. Track clicks, views, and visits to understand customer engagement. With easy setup, multi-language support, and custom fonts, it brings style to your store. Our analytics dashboard and live chat support help you optimize layouts and boost customer interaction, making it simple to create a unique, interactive storefront experience. more Interactive, rounded icon menus for storefronts Real-time click, view, and visit tracking Easy, three-step setup for fast onboarding Multi-language support for global reach Custom fonts and colors for unique branding
ChatGPT powered AI chatbot for AI LiveChat, Quiz, Recommendation and AI shopping assistant. Manifest AI adds a ChatGPT AI chat to your store that answers customer queries, organises a quiz, recommend products, reduce cart drop offs It's an AI shopping assistant provides highly personalised product recommendations, leading to increased orders and revenue, adding chat with us functionality on your website. There are multiple use-cases of Manifest- handling buyer objections, reducing refunds, increasing revenue, increasing AOV, product recommendation. Deploy Rufus like assistant. Manifest AI adds a ChatGPT AI chat to your store that answers customer queries, organises a quiz, recommend products, reduce cart drop offs It's an AI shopping assistant provides highly personalised product recommendations, leading to increased orders and revenue, adding chat with us functionality on your website. There are multiple use-cases of Manifest- handling buyer objections, reducing refunds, increasing revenue, increasing AOV, product recommendation. Deploy Rufus like assistant. more ChatGPT powered AI chatbot to increase sales, AOV and reduces support ticket Enable AI chat bot that provides 24x7 human-like customer support via live chat LiveChat - It enables bet product recommendation, nudges user to purchase Chat with us: AI replies on Live chat in all the languages of the world. AI ecommerce agent to enable AI shopping assistant
Create auto-updating, customizable HTML and XML Sitemap with one-click. Improve SEO and boost sales! The MAPIFY Sitemap Generator app produces in one-click HTML, XML, Image, Video Sitemaps that auto-update. The app allows full customization, you can choose which pages, products, collections to include in your sitemaps. 24/7 friendly support! XML sitemap is a file with a list of all links in your site, it allows search engines to understand site content easier. HTML sitemap page help users in navigation. Sitemaps are essential for SEO performance and help in organic traffic and boosting sales. The MAPIFY Sitemap Generator app produces in one-click HTML, XML, Image, Video Sitemaps that auto-update. The app allows full customization, you can choose which pages, products, collections to include in your sitemaps. 24/7 friendly support! XML sitemap is a file with a list of all links in your site, it allows search engines to understand site content easier. HTML sitemap page help users in navigation. Sitemaps are essential for SEO performance and help in organic traffic and boosting sales. more Create HTML and XML Sitemaps with one click. Easy to use. No coding required! Flexible HTML page layout ties in with your store design perfectly! Customizable. You get to decide on the content of your HTML and XML Sitemaps Instantly updated. Both HTML and XML Sitemaps are updated automatically. Index media with Image and Video Sitemaps
Display store, dealer, and stockist locations on an interactive map. No API key required, free plan. Mapstore helps retail stores, franchises, and brands display locations on a searchable, interactive map. Customers find nearby stores, stockists, or dealers with powerful filters, geolocation, and distance search. Add locations individually or bulk import via CSV or Google Sheets. No API keys needed — set up in minutes. Customize map styles, markers, colors, and branding to match your store. Includes analytics to see where customers search, multi-language support, and a developer API. Mapstore helps retail stores, franchises, and brands display locations on a searchable, interactive map. Customers find nearby stores, stockists, or dealers with powerful filters, geolocation, and distance search. Add locations individually or bulk import via CSV or Google Sheets. No API keys needed — set up in minutes. Customize map styles, markers, colors, and branding to match your store. Includes analytics to see where customers search, multi-language support, and a developer API. more No API Key Required - Set up a store locator in minutes, completely free Bulk Import Locations - Upload via CSV or sync with Google Sheets Search, Filter & Geolocation - Customers find nearby stores automatically Fully Customizable - Map styles, markers, branding, custom CSS, and icons Location Analytics - See where customers search and which stores get views
Run personalized offers, upsells, tiered and timed discounts on your cart (Black Friday ready) AI Smart Cart enables merchants to optimise cart completion rates and improve AOV with personalized upsells, offers & discounts. Tailored for Plus merchants looking for advanced cart customisation, and ability to run freebies, tiered promotions, timed discounts, behavioral offers, custom rewards & incentives for improving sales and basket size. Using real-time analytics, it captures and analyzes browse behavior, enabling precise, tailored offers that customers are most likely to purchase. AI Smart Cart enables merchants to optimise cart completion rates and improve AOV with personalized upsells, offers & discounts. Tailored for Plus merchants looking for advanced cart customisation, and ability to run freebies, tiered promotions, timed discounts, behavioral offers, custom rewards & incentives for improving sales and basket size. Using real-time analytics, it captures and analyzes browse behavior, enabling precise, tailored offers that customers are most likely to purchase. more Upsell & Cross Sell : Personalized Offers, Discounts, Upsells & Cross Sells Tiered Offers, Freebies, Coupons, Gifts & Customizable Discounts Realtime analytics, Integrations with Klaviyo and Other Email / SMS tools
Take bookings with an easy scheduling calendar. All-in-one booking app for services and events. Meety is an appointment booking solution designed to add a customizable scheduling calendar to your products or services. With seamless calendar sync and native integrations (Zoom, Google Meet, Outlook, Teams, Klaviyo, Zapier), Meety supports subscriptions, bundles, multi-booking, deposits, and automated waitlists. Your business can deliver a fully tailored customer experience with multi-language support, custom question forms, personalized email notifications, and a dedicated customer portal. Meety is an appointment booking solution designed to add a customizable scheduling calendar to your products or services. With seamless calendar sync and native integrations (Zoom, Google Meet, Outlook, Teams, Klaviyo, Zapier), Meety supports subscriptions, bundles, multi-booking, deposits, and automated waitlists. Your business can deliver a fully tailored customer experience with multi-language support, custom question forms, personalized email notifications, and a dedicated customer portal. more Add "Schedule your time" button to product, allow customer to book appointment Set up appointment duration, buffer time, preparation time, limit timeslot Flexible options: Group, Subscription, No check-out booking, Waitlist, Deposit Automated email notifications. 2-way sync with Google Calendar, Zoom, Outlook Virtual & in-person appointment. Customer portals for reschedule, cancel booking
Elevate sales effortlessly: Product Countdown timers for FOMO, urgency, and increased conversions. Create the effect of Urgency, Scarcity, and FOMO in sales by adding a countdown widget, aka deadline time tracker & stopwatch. Display timers strategically as top/bottom bars, on product pages, or collections. Select design presets for quick setup to match your theme and translate text to match your store language. Improve conversion rates and average order value (AOV) of Flash Sales, Seasonal Sales, Daily Deals, Promotions, Holiday Sales, Product Releases, and Launches. Great for Ramadan Sales Create the effect of Urgency, Scarcity, and FOMO in sales by adding a countdown widget, aka deadline time tracker & stopwatch. Display timers strategically as top/bottom bars, on product pages, or collections. Select design presets for quick setup to match your theme and translate text to match your store language. Improve conversion rates and average order value (AOV) of Flash Sales, Seasonal Sales, Daily Deals, Promotions, Holiday Sales, Product Releases, and Launches. Great for Ramadan Sales more Encourage store visitors and motivate buyers to buy now with fear of missing out You can make the sales countdown timer appear for specific products only Use an announcement bar timer (top bar or bottom) for Storewide Sales Add countdowns to many places on your websites to highlight limited-time offers Supports all pages, 1-click setup, no coding required, many converting presets
Story Style Menu to feature products, collections and links in Instagram like icon based navigation Great for shops who want to create social media story like menu to feature products, collections, pages, and links. Circle or square thumbnail navigation menu to redirect customers from collections to specific items. Familiar product menu like Instagram, Facebook, or TikTok stories to reduce bounce rate and improve conversion. Create custom menu items with icons, pictures, gifs, titles, and links that match the design and colors of your website. Place the menu anywhere in the store. Great for shops who want to create social media story like menu to feature products, collections, pages, and links. Circle or square thumbnail navigation menu to redirect customers from collections to specific items. Familiar product menu like Instagram, Facebook, or TikTok stories to reduce bounce rate and improve conversion. Create custom menu items with icons, pictures, gifs, titles, and links that match the design and colors of your website. Place the menu anywhere in the store. more Display menu on mobile and desktop for a seamless browsing experience Allow visitors browse faster, discover new collections, increase conversion rate Full customization of images, titles, colors, fonts, margins, locations etc. Engage visitors with a much better than conventional text-based hamburger menu Seamlessly integrate circle, square story menu bars into your Shopify 2.0 theme
Enhance your store with a customizable floating sidebar for promotions, discounts, and announcements Enhance your online store with a floating tab that opens a customizable sidebar. Place it on the left or right side of your website to display promotions, discounts, and announcements. Personalize text, background, and colors. The sidebar includes title, body, footer and even an image sections for detailed messaging. Fully compatible with desktop and mobile. Easy to integrate and perfect for increasing customer engagement. Enhance your online store with a floating tab that opens a customizable sidebar. Place it on the left or right side of your website to display promotions, discounts, and announcements. Personalize text, background, and colors. The sidebar includes title, body, footer and even an image sections for detailed messaging. Fully compatible with desktop and mobile. Easy to integrate and perfect for increasing customer engagement. more Customizable Floating Tab: Create an eye-catching floating tab on your site Fully Customizable Sidebar: Design your sidebar to match your brand perfectly Multi-Device Compatibility: Accessible promotions on desktop and mobile Promote discounts, updates, sales, announcements, messages, images and more Easy Integration: Integrate quickly without any coding needed
AI-powered personalisation, upsells, and dynamic merchandising to boost conversions. Mercury is a no-code, drag-and-drop solution for delivering personalised product recommendations, upsells, and cross-sells. It enhances every step of the shopping journey, from product discovery to the cart. With AI-driven search and dynamic merchandising, Mercury ensures your store showcases the most relevant products at the right time, boosting conversions and AOV. Integrate seamlessly with your existing stack and track real-time analytics for optimisation. Mercury is a no-code, drag-and-drop solution for delivering personalised product recommendations, upsells, and cross-sells. It enhances every step of the shopping journey, from product discovery to the cart. With AI-driven search and dynamic merchandising, Mercury ensures your store showcases the most relevant products at the right time, boosting conversions and AOV. Integrate seamlessly with your existing stack and track real-time analytics for optimisation. more AI Personalisation: Tailor product recommendations based on shopper behaviour Upsell & Cross-Sell Zones: Increase AOV with upsells from product pages to cart Dynamic Merchandising: Automatically display relevant products based on data Inline Banners: Scheduled banners (image/video) on grids & category pages AI-Powered Search: Real-time autocomplete & filters for faster product discovery
Compare product specifications with ease using an interactive UI for easy shopping decisions. Easily enable product comparison on your store with CompareMate. Add a "Compare" button to product pages and grids, letting customers select items for comparison. Products are shown in an interactive drawer and can be compared side-by-side on a dedicated comparison page. Customers can add products to the cart directly from the comparison page, or remove items with a single click. A bulk editor makes it easy for merchants to manage comparison data across products. Easily enable product comparison on your store with CompareMate. Add a "Compare" button to product pages and grids, letting customers select items for comparison. Products are shown in an interactive drawer and can be compared side-by-side on a dedicated comparison page. Customers can add products to the cart directly from the comparison page, or remove items with a single click. A bulk editor makes it easy for merchants to manage comparison data across products. more Add "Compare" buttons to product pages and grids. Interactive drawer shows selected items for comparison. Side-by-side product comparison on a dedicated page. Add items to the cart directly from the compare page. Bulk editor for efficient comparison data management.
Customize a sticky mobile menu bar to enhance your shop's navigation experience. MeroxIO Sticky Mobile Menu Bar is designed to improve your shop's mobile navigation. This app allows Shopify store owners to add a customizable sticky menu bar at the bottom of mobile screens. You can select icons and link each to different sections of your store, streamlining the user experience and potentially increasing engagement. The app's intuitive design makes it easy to integrate and customize within your store's theme, offering a seamless shopping experience for your customers. MeroxIO Sticky Mobile Menu Bar is designed to improve your shop's mobile navigation. This app allows Shopify store owners to add a customizable sticky menu bar at the bottom of mobile screens. You can select icons and link each to different sections of your store, streamlining the user experience and potentially increasing engagement. The app's intuitive design makes it easy to integrate and customize within your store's theme, offering a seamless shopping experience for your customers. more Customizable Icons: Tailor menu icons to fit your store's style. Easy Link Integration: Direct customers with clickable icons. Sticky Navigation: Constant menu access for easy usability. Mobile Optimized: Designed for an excellent mobile experience Seamless Integration: Effortlessly blends with your store theme
Help shoppers find products they love with beautiful dropdown menus for mobile and desktop. Put your best foot forward with beautiful and professional menu templates. Meteor uses your existing Shopify navigation settings for lightning-fast setup time. Customize the design to your liking, and preview each of your menus before you publish. Show off product images in mobile and desktop menus, and help shoppers discover great products without leaving your home page. Link any resource from Shopify: products, collections, blogs, or pages. Multi-region support for menu items and currency! Put your best foot forward with beautiful and professional menu templates. Meteor uses your existing Shopify navigation settings for lightning-fast setup time. Customize the design to your liking, and preview each of your menus before you publish. Show off product images in mobile and desktop menus, and help shoppers discover great products without leaving your home page. Link any resource from Shopify: products, collections, blogs, or pages. Multi-region support for menu items and currency! more Menus in minutes! Use your store's existing menus to streamline setup Variety of beautiful templates for both desktop and mobile Display product or collection images directly in your store's main menu Multi-region support: translated menu items and local currency Customer-friendly UX helps customers easily navigate different menu tiers
Progressive Announcement Banners&Bars. Microvoid: Brisk Banners Bars is the app that helps you sell, build brand image and notice important informations. You can create eye-catching and fully customizable banners&bars that will encourage customers to purchase. You can have multiple banners&bars. You can have different types of banners. Microvoid: Brisk Banners Bars is the app that helps you sell, build brand image and notice important informations. You can create eye-catching and fully customizable banners&bars that will encourage customers to purchase. You can have multiple banners&bars. You can have different types of banners. more Show your promotion with a customized banner Pause and set your banners live with 1 click Customer your Banner easily
高い視認性のポップアップでセット購入率アップ！サブスク商品へのアップセルも可能 【1. 絶妙なタイミングでのアップセルバナー表示】 商品ページでカートに追加する瞬間にアップセルバナーを表示します。お客様の購買意欲が高まるこのタイミングを活用します。 【2.目立つポップアップデザイン】 注目を集めるポップアップデザインを採用。視認性が高いため、アップセルの成功率向上が期待できます。CSSでのデザイン変更も可。 【3.かんたん設定】 専門知識は不要です。直感的な操作で、数回のクリックでECサイトにアップセル機能を導入できます。 【4.定期購入オファーにも対応】 単発商品だけでなく、定期購入オファーへのアップセルも可能。お客様の継続的な利用を促し、安定した収益につなげます。 【1. 絶妙なタイミングでのアップセルバナー表示】 商品ページでカートに追加する瞬間にアップセルバナーを表示します。お客様の購買意欲が高まるこのタイミングを活用します。 【2.目立つポップアップデザイン】 注目を集めるポップアップデザインを採用。視認性が高いため、アップセルの成功率向上が期待できます。CSSでのデザイン変更も可。 【3.かんたん設定】 専門知識は不要です。直感的な操作で、数回のクリックでECサイトにアップセル機能を導入できます。 【4.定期購入オファーにも対応】 単発商品だけでなく、定期購入オファーへのアップセルも可能。お客様の継続的な利用を促し、安定した収益につなげます。 more 絶妙なタイミングで表示されるポップアップの為、アップセル率向上が期待できます。 日本製アプリで唯一のサブスクリプション商品へのアップセル/クロスセスが可能。 ノーコードで簡単設定 あんしんの日本語対応！導入前の検討段階から、導入後も使い方やカスタマイズのご相談など、メールやで丁寧にサポート。
10+ bundle types: Mix and Match bundle builder, Build your own bundle (BYOB), Build a box, Add-ons. Grow AOV with bundles shoppers actually buy. Create “Build a Box” and “Mix & Match” bundles, set volume discounts by quantity or spend, and add free gifts when shoppers hit a threshold. Motivate completion with badges, a progress bar and "unlock next" messages. Track sales with conversion funnel analytics. Also supports 10+ bundle types (fixed bundles, quantity breaks, BOGO/Buy X Get Y, FBT, product add-ons, upsell pop-up, product recommendations & more). No-code setup → fast to launch. Grow AOV with bundles shoppers actually buy. Create “Build a Box” and “Mix & Match” bundles, set volume discounts by quantity or spend, and add free gifts when shoppers hit a threshold. Motivate completion with badges, a progress bar and "unlock next" messages. Track sales with conversion funnel analytics. Also supports 10+ bundle types (fixed bundles, quantity breaks, BOGO/Buy X Get Y, FBT, product add-ons, upsell pop-up, product recommendations & more). No-code setup → fast to launch. more Build a Box & Build your own bundle (BYOB) that shoppers love to buy Volume discounts by quantity or spend amount to grow AOV Free gifts by box size or by spend and quantity goals to encourage bigger carts Badges, progress bar, "unlock next" and low-stock messages to boos AOV 10+ bundle types: fixed bundles, BOGO/Buy X Get Y, quantity breaks, add‑ons
Add free shipping bar to the store. Set country specific free shipping messages for global customer Geo Shipping Bar adds a free shipping bar to your website. You can set country or continent specific messages to target international customers. You can customize the look and feel of the free shipping bar to match your theme. Welcome customers from different countries warmly to your international business by showing localized free shipping messages. You can configure different messages for the shipping progress bar state. Preview the free shipping bar message before making it live. Geo Shipping Bar adds a free shipping bar to your website. You can set country or continent specific messages to target international customers. You can customize the look and feel of the free shipping bar to match your theme. Welcome customers from different countries warmly to your international business by showing localized free shipping messages. You can configure different messages for the shipping progress bar state. Preview the free shipping bar message before making it live. more Customize the shipping bar using background color, font and timer Set different messages for customers coming from different countries/ continents Works with the multi country shipping limits set in your admin settings
Easily create Lookbooks with product rollovers and links directly to your products to purchase The Lookbook App • Easy setup with multiple themes to display • Link to purchase products • Customise your markers that display and connect your products (on mouse over or touch). • Customise display info for each product (Title, Price, Image). • Link markers to any product or URL. • Simple drag and drop interface to order the pages in each Lookbook. • Select any image assigned to a product as the rollover image for your marker. The Lookbook App • Easy setup with multiple themes to display • Link to purchase products • Customise your markers that display and connect your products (on mouse over or touch). • Customise display info for each product (Title, Price, Image). • Link markers to any product or URL. • Simple drag and drop interface to order the pages in each Lookbook. • Select any image assigned to a product as the rollover image for your marker. more Easily create Lookbooks with product rollovers to purchase Responsive for all devices with multiple themes. Create unlimited Lookbooks with no coding required.
Unified free gift with purchase + BOGO + upsell/cross sell app to boost conversion rate and sales The has a simple goal: to help your store drive incremental sales & conversions with a measurable ROI. Use the app to show all kinds of offers, discounts, recommendations & nudges across the buying journey right from the product pages to the cart to checkout to post checkout. Customize the design & experience of the app's widgets (+translate text) exactly as you want & use our robust eligibility system to create personalized buyer experiences. The has a simple goal: to help your store drive incremental sales & conversions with a measurable ROI. Use the app to show all kinds of offers, discounts, recommendations & nudges across the buying journey right from the product pages to the cart to checkout to post checkout. Customize the design & experience of the app's widgets (+translate text) exactly as you want & use our robust eligibility system to create personalized buyer experiences. more Improve cart’s conversion by combining cart upsells with a tiered progress bar Offer BOGO, free gift with purchase of specific products, cart values etc Setup upsells, cross sells & quantity discounts across the entire buying journey Customize the design & user experience of widgets/popups exactly as you want Show upsell, tiered rewards & free gift with purchase at checkout (Shopify Plus)
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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.