Generate menu items and smart managed by drag & drop. Mega Menu Creator Pro is a responsive, highly customizable, drag and drop menu builder app for Shopify. Its user friendly experience allows creators of all skill levels to design highly navigable mega menus for their Shopify website. Mega Menu Creator Pro is a responsive, highly customizable, drag and drop menu builder app for Shopify. Its user friendly experience allows creators of all skill levels to design highly navigable mega menus for their Shopify website. more Smart menu creator with drag & drop menu builder, no reloads the page. Add any HTML, shortcode, maps, contact forms or widget you like the menu & more. Responsive and touch-enabled for an enhanced mobile/tablet experience. Flexible for custom menu layout and re-order items position instantly. Caching optimized for fastest loading and SEO results.
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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View Best Custom CSS AppsBuild unlimited forms with custom fields easily for contact forms or surveys using Form Builder. Form Builder lets you create unlimited custom forms, including registration forms, contact forms, survey forms, wholesale order forms, multi-step forms, and Typeform-style forms for your Shopify store. With drag-and-drop design, Google reCaptcha, advanced conditional logic, and custom fields, building forms is easier than ever. Fully mobile-responsive, supports file uploads, and works with all Shopify themes. Track UTMs and customize every detail to match your brand. Form Builder lets you create unlimited custom forms, including registration forms, contact forms, survey forms, wholesale order forms, multi-step forms, and Typeform-style forms for your Shopify store. With drag-and-drop design, Google reCaptcha, advanced conditional logic, and custom fields, building forms is easier than ever. Fully mobile-responsive, supports file uploads, and works with all Shopify themes. Track UTMs and customize every detail to match your brand. more Create custom registration forms, contact forms, survey & more with file uploads Design your forms by using advanced conditional and dynamic field logic Personalized forms are designed to fit the aesthetic of your shop We provide immense storage amounts, allowing you to upload more files Use Form Builder to connect your custom email domains to other apps seamlessly
Run post purchase and NPS surveys to collect customer feedback on Thank You & checkout pages. Hulk NPS Post Purchase Survey collects customer feedback on checkout, Thank You and Order Status pages. Build net promoter score (NPS), customer satisfaction (CSAT), and product surveys with drop-downs, checkboxes, radio buttons, and text boxes. Add forms anywhere using checkout blocks - no coding. Personalize questions with conditional logic, collect emails, and get notified of new responses. Sync unlimited responses to Google Sheets or Slack and track insights with analytics. Hulk NPS Post Purchase Survey collects customer feedback on checkout, Thank You and Order Status pages. Build net promoter score (NPS), customer satisfaction (CSAT), and product surveys with drop-downs, checkboxes, radio buttons, and text boxes. Add forms anywhere using checkout blocks - no coding. Personalize questions with conditional logic, collect emails, and get notified of new responses. Sync unlimited responses to Google Sheets or Slack and track insights with analytics. more Run post purchase surveys on Checkout, Thank You and Order Status pages. Conditional logic personalizes each survey question based on prior answers. NPS and rating scores reveal customer satisfaction, behavior & preferences. Build surveys with drop-downs, radio buttons, checkboxes, text & steppers. Export responses or sync survey answers to Slack and Google Sheets.
View, embed & download PDF files while offering visitors a WhatsApp chat button for support. Give visitors an easy way to view, embed, and download your PDF files directly on your site. A clean, reliable PDF viewer and book viewer for brochures, menus, guides, or manuals — no flipbook plugin required. A simple pdf flipbook alternative for showing your catalogue online. Pair it with a WhatsApp chat widget so customers can reach you instantly through a customizable WhatsApp chat button. Simple setup, no coding required. Give visitors an easy way to view, embed, and download your PDF files directly on your site. A clean, reliable PDF viewer and book viewer for brochures, menus, guides, or manuals — no flipbook plugin required. A simple pdf flipbook alternative for showing your catalogue online. Pair it with a WhatsApp chat widget so customers can reach you instantly through a customizable WhatsApp chat button. Simple setup, no coding required. more Add a WhatsApp chat widget so customers can reach you instantly. Display PDF files directly on your site with a clean, built-in PDF viewer. Embed PDF brochures, menus, guides, or manuals anywhere on your pages. Customize the WhatsApp chat button's color, position, and greeting text. Let visitors download PDF files directly from your site with one click.
Powerful appointment booking app that lets you create multiple appointment types. All in one booking platform for commerce and schedule services, events & classes! Appointment booking apps come with a range of features that make it easier for businesses to manage their appointments. These features include the ability to set up multiple appointment types and durations, manage staff availability, and send automated confirmation and reminder emails to customers. iBookly appointments helps you sell more and save time. Plus, customizable email notifications keep you connected. All in one booking platform for commerce and schedule services, events & classes! Appointment booking apps come with a range of features that make it easier for businesses to manage their appointments. These features include the ability to set up multiple appointment types and durations, manage staff availability, and send automated confirmation and reminder emails to customers. iBookly appointments helps you sell more and save time. Plus, customizable email notifications keep you connected. more Easy to use appointment booking app, reschedule, cancel the customer booking. Secure bookings with iBookly: accept deposits and partial payments on-the-spot. iBookly supports multiple languages and worldwide time-zone. Custom fields: collect more details of your customer with extra fields. Use group appointments to easily schedule classes, webinars, events & more.
Sticky Add to Cart makes it easier for shoppers to find what they need and buy it quickly Sticky add to cart bar appears after scrolling the product page to attract customers. Customers can quickly add items to their cart using sticky add to cart bar. You can also add multiple notification bars to display discounts or free shipping messages to motivate customers to buy products. Sticky add to cart bar appears after scrolling the product page to attract customers. Customers can quickly add items to their cart using sticky add to cart bar. You can also add multiple notification bars to display discounts or free shipping messages to motivate customers to buy products. more Set bar size medium, small & extra small & Different button design & animation Sticky Add To Cart Bar can set in two positions top & bottom You can Fully Customization of Sticky Add to Cart bar with different settings Hide title, variant & whole bar on mobile and combine variants on mobile
Trusted cart upsell app for Black Friday: Boost AOV with slide cart drawer, popup & discounts iCart Cart Drawer Cart Upsell is an all-one app to boost pre purchase revenue. Reconvert your default cart into a conversion-driven slide cart drawer, cart page or cart popup. Add essential cart upsell features like in-cart upsell, product bundle, progress bar, countdown timer & AI-powered recommendations. Give cart discounts like volume discount, BOGO, free product/free gift & free shipping bar. Works with Sidekick also. So why to wait? Upcart your store’s conversions now with iCart! iCart Cart Drawer Cart Upsell is an all-one app to boost pre purchase revenue. Reconvert your default cart into a conversion-driven slide cart drawer, cart page or cart popup. Add essential cart upsell features like in-cart upsell, product bundle, progress bar, countdown timer & AI-powered recommendations. Give cart discounts like volume discount, BOGO, free product/free gift & free shipping bar. Works with Sidekick also. So why to wait? Upcart your store’s conversions now with iCart! more Cart upsell & cross sell: Boost AOV with AI-powered upsell recommendations Slide cart drawer: Reduce abandonment with sticky mini cart drawer & popup Cart discount: Boost revenue with volume discount, BOGO & free gift offers Progress bar: Encourage bigger orders with a free shipping progress bar Cart timer: Create urgency with a countdown timer on cart upsell offers
Increase AOV w/Targeted Upsell & Cross Sell Offers. Product Page, In Cart, Pop-ups, & Post Purchase! Boost order values with In Cart Upsell & Cross-Sell app & create customized cart & post purchase upsell & cross-sell offers. Personalize shoppers experience w/ conditional logic & triggers. Perfect your upsell strategy with A/B testing on product upsell & cross-sell offers. Analyze effectiveness with an intuitive upselling dashboard. Post Purchase upselling & cross selling is easy with an in cart upsell cart app with 3 minute setup. This robust upsells app maximizes upselling and cross-selling. Boost order values with In Cart Upsell & Cross-Sell app & create customized cart & post purchase upsell & cross-sell offers. Personalize shoppers experience w/ conditional logic & triggers. Perfect your upsell strategy with A/B testing on product upsell & cross-sell offers. Analyze effectiveness with an intuitive upselling dashboard. Post Purchase upselling & cross selling is easy with an in cart upsell cart app with 3 minute setup. This robust upsells app maximizes upselling and cross-selling. more Maximize AOV with upsells on cart page/drawer, product pages & post purchase Set triggers & rules for efficiently targeted cart upsell & cross-sell offers Drive extra revenue with our robust pre and post-purchase upsell capability Fine-tune upsell cart strategies with a smart, easy to read analytics dashboard AI-autopilot feature to power the perfect automatic upselling and cross-selling
Create galleries from Instagram posts, search hashtags, locations, others users and combine them! IGHW – Instagram Feed lets you display real Instagram content on your Shopify store to increase engagement and build trust. You can create feeds using your own profile, hashtags, locations, or other public profiles, and combine multiple sources into one feed. The app supports automatic updates and works seamlessly across all themes and devices. IGHW – Instagram Feed lets you display real Instagram content on your Shopify store to increase engagement and build trust. You can create feeds using your own profile, hashtags, locations, or other public profiles, and combine multiple sources into one feed. The app supports automatic updates and works seamlessly across all themes and devices. more Fetch posts from Users, Hashtags and Locations Compatible with all themes and devices Fixed feed or automatic feed on a schedule
Size charts and guides appear on product pages. Help shoppers find their fit and reduce returns. ILM Size Chart & Size Guide lets you add size charts to any product page using Shopify 2.0 app blocks. Build charts with tables, images, video, and rich text, then style them with presets or custom CSS. Charts are mobile and desktop friendly and support unit conversion between cm and inches. Target each chart to specific products, collections, tags, or vendors, and translate chart content for multi-language stores. ILM Size Chart & Size Guide lets you add size charts to any product page using Shopify 2.0 app blocks. Build charts with tables, images, video, and rich text, then style them with presets or custom CSS. Charts are mobile and desktop friendly and support unit conversion between cm and inches. Target each chart to specific products, collections, tags, or vendors, and translate chart content for multi-language stores. more Pre-made size chart templates & add multiple size tables, Images, Text, Videos. Assign size chart to specific collections, products, vendors, types and tags. Choose from versatile display options: Floating, Inline, or Block size chart. Auto-translate size chart content into multiple languages with a few clicks. Convert measurements between cm and inches, and style charts with custom CSS.
Create beautiful image sliders, banner sliders, logo carousels, and lookbook without coding Image Slider Pro helps you create banner sliders, logo carousels, and lookbook-style sliders in just a few steps. Upload multiple images, control slider speed, add captions, and link each image to products, collections, pages, or external URLs. The app is mobile responsive and designed to help merchants display visual content in a clean, professional way. The Shopify App Store listing highlights features including bulk image upload, custom styles, captions, hover effects & scheduling. Image Slider Pro helps you create banner sliders, logo carousels, and lookbook-style sliders in just a few steps. Upload multiple images, control slider speed, add captions, and link each image to products, collections, pages, or external URLs. The app is mobile responsive and designed to help merchants display visual content in a clean, professional way. The Shopify App Store listing highlights features including bulk image upload, custom styles, captions, hover effects & scheduling. more Customize speed and add text and links to images from the backend effectively Redirect customers to products or external links when they click the images Install logo slider anywhere on your store home page or products/collection page
Shoppable Instagram feed with different Grid / Slider layouts and lot of customization options. Instafeed / Instagram feed gallery with many customization options enables merchant to display Instagram gallery as a grid, slider. Auto and real time sync with Instagram. Light weight custom video galleries on page, easy to setup with theme editor. Instagram gallery using official Facebook API. Login with Facebook or Instagram in your own account & display instafeed from your Instagram account. Make shoppable instafeed, reels & stories with product tagging on Instagram picture. Instafeed / Instagram feed gallery with many customization options enables merchant to display Instagram gallery as a grid, slider. Auto and real time sync with Instagram. Light weight custom video galleries on page, easy to setup with theme editor. Instagram gallery using official Facebook API. Login with Facebook or Instagram in your own account & display instafeed from your Instagram account. Make shoppable instafeed, reels & stories with product tagging on Instagram picture. more Tag products to make it shoppable instagram feed. Tag unlimited products Attractive popup & gallery layouts help you to get instagram followers Social proof with user generated contents. Increase brand awareness w/ instafeed No Branding, Connect with Facebook / Instagram, Hide / Show Images Open image in popup or redirect to instagram link from instagram feed
Turn product images into room visualizers using 3D & AI. Increase buyer confidence & conversions. Shoppers abandon online furniture purchases due to overwhelming choices and difficulty visualising products.Imersian is a spatial commerce platform. The AI Stylist & Assistant assists shoppers with product disovery based on their needs, from a room photo and a prompt. The room visualizer allows them to use the same room upload to style their space with your products, assisting with conversions and lowering abandonment rates. Shoppers abandon online furniture purchases due to overwhelming choices and difficulty visualising products.Imersian is a spatial commerce platform. The AI Stylist & Assistant assists shoppers with product disovery based on their needs, from a room photo and a prompt. The room visualizer allows them to use the same room upload to style their space with your products, assisting with conversions and lowering abandonment rates. more Room Visualizer: true-to-scale placement from real geometry, not an AI guesswork AI 3D Creator turns your product photos into 3D models within minutes AI Shopping Assistant: recommends products based on shoppers actual room HQ Renders: Create lifestyle product images at a fraction of studio costs.
Scan your body in 10 seconds. Know your size. See how it looks. Buy with confidence. Struggling with returns or cart abandonment? Want to personalize the shopping experience? Imersive’s AI Sizing tool captures 30+ body measurements and recommends the right size for each customer based on your product-level size guide. Virtual Try-On lets shoppers see how it looks on them before they buy. One photo. AI Sizing and Virtual Try-On together in one seamless Shopify flow. Result: higher customer satisfaction, fewer returns, and improved sales. Struggling with returns or cart abandonment? Want to personalize the shopping experience? Imersive’s AI Sizing tool captures 30+ body measurements and recommends the right size for each customer based on your product-level size guide. Virtual Try-On lets shoppers see how it looks on them before they buy. One photo. AI Sizing and Virtual Try-On together in one seamless Shopify flow. Result: higher customer satisfaction, fewer returns, and improved sales. more From a Photo or a 10-second AI body scan: 30+ measurements+ recommendation Brand-specific size recommendations mapped to your exact size chart Virtual Try-On: shoppers visualize products on their own photo Works on all devices: mobile, tablet, desktop. Multichannel applications Easy setup: live in under 30 minutes, no developer needed
Improve your store's experience with an efficient and actionable search engine, powered by AI Empower your store with a fast, actionable AI-powered search bar that aligns with your business goals. Enhance your store with advanced search by text, images and sketches. Configure search and filters by using any attribute or meta fields. Understand your visitors and analyze your store with the reports in Impresee Dashboard PRO. Empower your store with a fast, actionable AI-powered search bar that aligns with your business goals. Enhance your store with advanced search by text, images and sketches. Configure search and filters by using any attribute or meta fields. Understand your visitors and analyze your store with the reports in Impresee Dashboard PRO. more Advanced AI-powered search to enhance customer experience Search by text, image and sketch without usage limits Advanced search analytics, zero-hit searches, conversions, and more Fully configurable filters in search results, boost products in search results Actionable alerts for your business
Go beyond variant limits with custom product options Let shoppers customize product options directly on your product pages with custom fields and flexible options. Go beyond Shopify's variant limits and offer the options your products actually need. Add pricing for upgrades and bundle add-ons, and create flexible product configurations. Whether you're offering engraving, monograms, add-ons, bundles, or more complex product configurations, Infinite Options from ShopPad helps you collect exactly what you need. Let shoppers customize product options directly on your product pages with custom fields and flexible options. Go beyond Shopify's variant limits and offer the options your products actually need. Add pricing for upgrades and bundle add-ons, and create flexible product configurations. Whether you're offering engraving, monograms, add-ons, bundles, or more complex product configurations, Infinite Options from ShopPad helps you collect exactly what you need. more Add text boxes, dropdowns, checkboxes, swatches, and many other types of options Show or hide product options based on selections with conditional logic Add pricing to create product upgrades, bundles, or add-on upsells Custom product options are included with each order in your Shopify admin Fast, reliable assistance from our fanatical support team
One platform for marketing and customer engagement teams to collaborate effectively. Insider One is the platform that brings everything marketing and customer engagement teams need in one place so they can reach their peak performance and become unstoppable. With AI and an integrated Customer Data Platform (CDP), Insider One unites data, personalization, and journey orchestration across the most extensive set of natively supported channels, including WhatsApp, SMS, Email, Web, App, and Site Search. Insider One provides the ultimate vendor experience for 2,000+ customers. Insider One is the platform that brings everything marketing and customer engagement teams need in one place so they can reach their peak performance and become unstoppable. With AI and an integrated Customer Data Platform (CDP), Insider One unites data, personalization, and journey orchestration across the most extensive set of natively supported channels, including WhatsApp, SMS, Email, Web, App, and Site Search. Insider One provides the ultimate vendor experience for 2,000+ customers. more Recover abandoned carts with triggered Email and SMS Personalize your store with 100+ pre-built templates like Social Proof and more Deliver AI-powered, affinity based recommendations to drive upsell/cross-sell Trigger price drop notifications with WhatsApp Business messages Build unified customer profiles with past behavior, analytics and predictions
Display your Instagram Reels, feeds, shoppable videos & UGC as a gallery on your store Mintt Instafeed lets you display Instagram feeds, Reels, shoppable videos, and UGC as galleries. Create product and collection feeds that build social proof and drive sales. Automatically sync your Instagram feeds, auto-tag products, and let customers shop now or add to cart directly from posts. Customize grid or slider layouts, pin or hide Instagram content, and upload your own photos and videos. Fast, responsive, and built to convert. Upload videos to the Shop app to reach new shoppers. Mintt Instafeed lets you display Instagram feeds, Reels, shoppable videos, and UGC as galleries. Create product and collection feeds that build social proof and drive sales. Automatically sync your Instagram feeds, auto-tag products, and let customers shop now or add to cart directly from posts. Customize grid or slider layouts, pin or hide Instagram content, and upload your own photos and videos. Fast, responsive, and built to convert. Upload videos to the Shop app to reach new shoppers. more Display Instagram Reels, posts, videos & UGC in auto-syncing feeds Create shoppable feeds with product & collection tagging Auto-tag products and enable shop now or add to cart from Instagram posts Grid or slider layouts optimized for all devices Upload, pin, hide & reorder posts for full feed control
Instafeed - Instagram Feed, Instagram Story, Instagram Highlights, Instagram Reels Instafeed – The ultimate Instagram app for your store. Simple Instagram integration. Seamlessly connect your Instagram account to automatically update your store with your latest posts, stories, reels and highlights. With this Instafeed, showcase your Instagram feed in a beautiful carousel/slider on your website, effortlessly integrate stories and display highlights in a stunning slider anywhere in your store. Instantly transform your store and automatically drive fresh new content. Instafeed – The ultimate Instagram app for your store. Simple Instagram integration. Seamlessly connect your Instagram account to automatically update your store with your latest posts, stories, reels and highlights. With this Instafeed, showcase your Instagram feed in a beautiful carousel/slider on your website, effortlessly integrate stories and display highlights in a stunning slider anywhere in your store. Instantly transform your store and automatically drive fresh new content. more Instagram Feed - Display a simple but beautiful feed of your latest posts Instagram Story & Highlights - Bring those Instagram circles to your store Instagram Reels - Embed your latest reels instantly Mobile Optimised - Automatically resizes to work on all display sizes No Coding Required - Instantly add your Instagram feed within seconds
Viral your Online Store with Giveaways, Contests, and Sweepstakes Grow your online presence and drive sales with Instant Giveaway. Create viral giveaways, contests, and sweepstakes to promote your website. Boost brand awareness and build a qualified email list with an irresistible award. Track visitors with Facebook Pixel and retarget them with ads. Automatically generate and customize sweepstake pages with ease. All you need is compelling content and an appealing award, Instant Giveaway will handle the rest. Grow your online presence and drive sales with Instant Giveaway. Create viral giveaways, contests, and sweepstakes to promote your website. Boost brand awareness and build a qualified email list with an irresistible award. Track visitors with Facebook Pixel and retarget them with ads. Automatically generate and customize sweepstake pages with ease. All you need is compelling content and an appealing award, Instant Giveaway will handle the rest. more Go explosively viral with easy giveaways, contests, and sweepstakes Get people to talk about your store on social media Retarget advertising with Facebook Pixel and Pinterest Tag Support fully responsive design makes your giveaway page look awesome Protect your giveaway page from spam and phishing by Google Captcha
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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.