Help customers easily find their true size with detailed size charts and reduce return rate. Tired of ordering the wrong size when shopping online? With Size Guides & Size Chart, your customers can say goodbye to sizing frustrations. Create custom size charts with ease using Size Guides & Size Chart. Designed for shop owners, our app lets you build accurate, true-to-size charts, size finders, and fit guides to enhance your customers' shopping experience. Increase your confidence, increase your profits and make sure that size matters! Tired of ordering the wrong size when shopping online? With Size Guides & Size Chart, your customers can say goodbye to sizing frustrations. Create custom size charts with ease using Size Guides & Size Chart. Designed for shop owners, our app lets you build accurate, true-to-size charts, size finders, and fit guides to enhance your customers' shopping experience. Increase your confidence, increase your profits and make sure that size matters! more Easily create size charts tailored to your products. Visually showcase size options for your customers. Add detailed measurement guides to assist customers in finding the right size. Simple, intuitive design makes it easy to find the information. Widget that works seamlessly on all devices.
Custom CSS Shopify Apps
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Boost Sales and Ignite Urgency with a Countdown Timer: Elevate FOMO and Increase Conversions! Sales count down timer effectively instills a sense of urgency and scarcity in your store. Elevate your customers' FOMO by adding a countdown timer, pushing them to buy. By creating this urgency, you encourage indecisive customers to make a purchase. Maximize your sales during special promotions, flash sales, and seasonal events by creating excitement & anticipation. Transform your product launches into highly anticipated events with countdown time clock that build hype and drive early sales. Sales count down timer effectively instills a sense of urgency and scarcity in your store. Elevate your customers' FOMO by adding a countdown timer, pushing them to buy. By creating this urgency, you encourage indecisive customers to make a purchase. Maximize your sales during special promotions, flash sales, and seasonal events by creating excitement & anticipation. Transform your product launches into highly anticipated events with countdown time clock that build hype and drive early sales. more Use eye-catching alerts and notifications to highlight limited-time offers Add customizable countdown bars to your store to ignite urgency and boost sales. Easily create and customize templates to match your brand's style and theme. Set specific triggers & rules when to show the widget without any coding. Track the performance of your timers & FOMO campaigns with detailed analytics.
Approve B2B buyers faster with custom wholesale forms that unlock special pricing. Wholesale Forms is a complete solution for managing B2B and wholesale processes. Build custom multi-step registration forms to collect resale certificates, VAT IDs, or business licenses. Let resellers select preferences like packaging or shipping in the form. Simplify wholesale workflows and create a tailored experience for wholesale customers. Launch your wholesale signup form without coding in under 5 minutes and approve your first B2B customer today! Wholesale Forms is a complete solution for managing B2B and wholesale processes. Build custom multi-step registration forms to collect resale certificates, VAT IDs, or business licenses. Let resellers select preferences like packaging or shipping in the form. Simplify wholesale workflows and create a tailored experience for wholesale customers. Launch your wholesale signup form without coding in under 5 minutes and approve your first B2B customer today! more Build advanced multi-step wholesale forms with a drag-and-drop form builder. Embed forms anywhere on your store or trigger them via popup. Ideal for reseller signups, vendor applications, or wholesale club access. Collect VAT IDs, resale certificates, and business licenses to stay compliant. Segment B2B customers based on form responses and approve before granting access
Effortlessly build custom RSVP forms in minutes and track responses with RSVP Form Builder. RSVP Form Builder is the easiest way to create custom event registration and RSVP forms. Perfect for weddings, conferences, parties, or private sales, it helps you track event sign ups in real time, manage multiple events, and keep everything organized. Customize every field with a simple drag-and-drop editor, match your brand style, and share your form anywhere. Simplify event planning and boost attendance - install today and make event management effortless. RSVP Form Builder is the easiest way to create custom event registration and RSVP forms. Perfect for weddings, conferences, parties, or private sales, it helps you track event sign ups in real time, manage multiple events, and keep everything organized. Customize every field with a simple drag-and-drop editor, match your brand style, and share your form anywhere. Simplify event planning and boost attendance - install today and make event management effortless. more Build custom event registration forms in minutes - no coding needed. Track sign-ups live and manage multiple events effortlessly. Export guest lists to CSV or Excel for easy organization. Fully customize fields, styles, and branding with drag & drop. Add forms anywhere and get real-time response updates instantly.
Kainic-Plugin makes recommending products simple, and helps you understand customers' needs. With Kainic-Plugin, your customers can view related products to any product, helping to enhance product discovery and improve order value. This app brings recommendation-style features into Shopify, allowing merchants to create a tailored product upsell and recommendation experience. With Kainic-Plugin, your customers can view related products to any product, helping to enhance product discovery and improve order value. This app brings recommendation-style features into Shopify, allowing merchants to create a tailored product upsell and recommendation experience. more Track customer behavior and activity across events. Customize which customer events are tracked. Display a list of recommended products based on customer interaction patterns.
Show product stock by location, geo-search nearest store for availability, & create location filters A must-have app for merchants using Shopify’s multiple locations or local pickup. Show available and incoming stock by location on product pages, let customers geo-search the nearest store, create smart collections and filters by location, allow store selection, and restrict orders by customer tags. Drive foot traffic, boost sales, and give shoppers full visibility into your inventory across all locations. A must-have app for merchants using Shopify’s multiple locations or local pickup. Show available and incoming stock by location on product pages, let customers geo-search the nearest store, create smart collections and filters by location, allow store selection, and restrict orders by customer tags. Drive foot traffic, boost sales, and give shoppers full visibility into your inventory across all locations. more Display location inventory information on product pages. Create location metafields to build smart collections & filter by availability Access location stock info in liquid using location inventory JSON metafields Let customers choose a specific location to shop from for their orders Restrict locations customers can order from using customer tags - ideal for B2B
Displays live precious metal prices, ideal for selling fine jewelry, bullions and coins. Keep Up With Metals helps you display real-time precious metal prices directly on your storefront, giving your customers up-to-date information on gold, silver, platinum, and more. Customize the widget to match your store’s style, apply flexible markups, and easily adjust settings. Perfect for stores selling jewelry, bullion, or any metal-based products, this app ensures pricing transparency and improves customer trust, helping drive sales and engagement with minimal setup required. Keep Up With Metals helps you display real-time precious metal prices directly on your storefront, giving your customers up-to-date information on gold, silver, platinum, and more. Customize the widget to match your store’s style, apply flexible markups, and easily adjust settings. Perfect for stores selling jewelry, bullion, or any metal-based products, this app ensures pricing transparency and improves customer trust, helping drive sales and engagement with minimal setup required. more Real-time metal prices for gold, silver, platinum, palladium and more Customizable widget design to match your store’s theme. Flexible markup options: percentage or fixed amount adjustments. Track impressions, clicks, and revenue with built-in analytics dashboard. Seamless integration with Shopify for easy setup and use.
Create unlimited app options to help merchants increase sales. This app helps you to create infinite product options, which help merchants sell their products and increases sales. Allow shoppers to design their own custom products based on flexible option choices. The function of "option template" can manage options more flexibly. This app is compatible with drawer cart and buy now button. This app helps you to create infinite product options, which help merchants sell their products and increases sales. Allow shoppers to design their own custom products based on flexible option choices. The function of "option template" can manage options more flexibly. This app is compatible with drawer cart and buy now button. more Create unlimited app options to help merchants increase sales. Support ajax cart and "buy it now" Compatible with Online Store 2.0 Themes Flexible and unlimited options template
Reduce returns & increase sales with clean size charts, guides & personalized size recommender Give your store the same sleek, professional sizing experience customers expect from leading fashion brands. Easy-to-use size charts, guides, and AI-powered fit recommendations that make shopping seamless. Clear sizing helps cut returns, while flexible layouts let you customize to your brand and preferences. With Kiwi, you can add size recommendations and size charts for any product. From apparel to pet collars to snowboards, so customers always get the right fit, and you get fewer returns. Give your store the same sleek, professional sizing experience customers expect from leading fashion brands. Easy-to-use size charts, guides, and AI-powered fit recommendations that make shopping seamless. Clear sizing helps cut returns, while flexible layouts let you customize to your brand and preferences. With Kiwi, you can add size recommendations and size charts for any product. From apparel to pet collars to snowboards, so customers always get the right fit, and you get fewer returns. more Import size charts from images, webpage, or CSV. Or, simply build your own Size recommender for clothes or for products where you can't predict body size Add multiple size tables, images, videos, tabs, and more to your size charts Create a product or collection-based size guides that auto-apply to new products Input sizing in any unit and the app will automatically do unit conversions
AI Search & product discovery platform that significantly improves conversion rate and AOV. Perfect for busy merchandising teams, Klevu advanced AI search and recommendations engine helps companies efficiently increase on-site search revenue. Plus, shoppers get personalized product recommendations, and are able to quickly find what they need through our filter and navigation features on product listing pages. Fully compatible with Shopify Markets. With our innovative features, retailers can provide customers with an enjoyable, streamlined shopping experience. Perfect for busy merchandising teams, Klevu advanced AI search and recommendations engine helps companies efficiently increase on-site search revenue. Plus, shoppers get personalized product recommendations, and are able to quickly find what they need through our filter and navigation features on product listing pages. Fully compatible with Shopify Markets. With our innovative features, retailers can provide customers with an enjoyable, streamlined shopping experience. more Advanced AI search and merchandising that learns from your shoppers over time. Easy-to-use merchandising dashboard where you can test and schedule campaigns. Add advanced filtering to product listing pages and manage facets shown. Onsite Search, Merch & Recommendations fully compatible with Shopify Markets. Robust APIs, SDKs and custom storefront documentation, compatible with Hydrogen.
Menu for featuring products, collections or links to improve visibility and accessibility Add circle menu or square menu bar to your theme section and anywhere in your 2.0 theme. Great for shop who wants to create social media familiar menu to feature products, collections and pages. Clean and neat thumbnail navigation menu to redirect users from collections to specific items. Collection menu like instagram stories that made it easy for user to navigate to the right page. With easy navigation and eye catching visual menu, you will be able to reduce bounce rate and improve conversion. Add circle menu or square menu bar to your theme section and anywhere in your 2.0 theme. Great for shop who wants to create social media familiar menu to feature products, collections and pages. Clean and neat thumbnail navigation menu to redirect users from collections to specific items. Collection menu like instagram stories that made it easy for user to navigate to the right page. With easy navigation and eye catching visual menu, you will be able to reduce bounce rate and improve conversion. more Display menu on mobile or desktop or both. Support mobile menu navigation bar Create multiple menu groups for different product types or collections Comprehensive design options to adjust menu gap, width, margin and custom css Menu badge for circle menu to highlight new or collection on sales Support multiple languages
Fashion-Optimized Cart Drawer to Boost AOV: Upsells, Cross-Sell, Rewards, Free Gift & Fast Checkout Kraken Cart helps fashion and apparel stores boost sales with a fully customizable cart drawer. Show in-cart styling suggestions with cross-sells, add upsells, and offer tiered rewards like discounts, free shipping, or gifts. Enable features like shipping protection, subscriptions, discount codes, gift wrap, order notes, and trust badges. Designed to match your brand and deliver a seamless experience across desktop and mobile for better conversions. Easy setup no code required, launch instantly. Kraken Cart helps fashion and apparel stores boost sales with a fully customizable cart drawer. Show in-cart styling suggestions with cross-sells, add upsells, and offer tiered rewards like discounts, free shipping, or gifts. Enable features like shipping protection, subscriptions, discount codes, gift wrap, order notes, and trust badges. Designed to match your brand and deliver a seamless experience across desktop and mobile for better conversions. Easy setup no code required, launch instantly. more Motivate shoppers with in-cart rewards unlocking discounts or gifts. Increase sales with upsells and cross-sells directly in the cart drawer. Offer shipping protection options right within the cart for peace of mind. Enable customers to select subscription plans directly from the cart. Build trust by displaying custom badges directly in the cart interface.
Drive sales with dynamic content,advanced flows & personalized discounts for product recommendations Lantern AI will help you drive sales and collect essential customer data and preferences with interactive product recommendation quizzes. Our AI will jumpstart your quiz setup with a fully customized, product matched quiz in under a minute. Choose from multi-choice, single choice, optin, transition or input pages and dynamically customize your quiz based on answers. Offer dynamically tailored product matches or need-based content like routines, with discount incentives to maximize conversions. Lantern AI will help you drive sales and collect essential customer data and preferences with interactive product recommendation quizzes. Our AI will jumpstart your quiz setup with a fully customized, product matched quiz in under a minute. Choose from multi-choice, single choice, optin, transition or input pages and dynamically customize your quiz based on answers. Offer dynamically tailored product matches or need-based content like routines, with discount incentives to maximize conversions. more Start faster with fully customized TEMPLATES, AI or manual quiz generation. Full versatility with standalone or in-store pages, embed, or popup quizzes Create complex quiz flows with intuitive skip/show logic & custom question paths Capture emails & phone numbers with easy Klaviyo, Omnisend & more integrations Boost sales and opt-in conversions with reward discounts as incentives
Enable Latitude marketing widgets on your product and cart pages. Drive more sales on your store. Promote your partnership with Latitude (AU) and Gem (NZ) Interest Free payments as a payment option for your customer to choose. Our long term plans starts from 6 months onwards, depending on your agreement with Latitude. Showing your customers that you provide interest free option at checkout encourages your customers to even shop more at your store by giving them more flexibility on payment terms. Promote your partnership with Latitude (AU) and Gem (NZ) Interest Free payments as a payment option for your customer to choose. Our long term plans starts from 6 months onwards, depending on your agreement with Latitude. Showing your customers that you provide interest free option at checkout encourages your customers to even shop more at your store by giving them more flexibility on payment terms. more Easily enable Latitude widget on your product pages Customise Latitude widget layout with visual preview Set minimum amount for price breakdown to show (for selected promotions only)
Let visitors know your store is under construction & will be opening soon by adding coming soon page Under Construction Coming Soon app lets you create a coming soon landing page for your under maintenance mode store. With coming soon page, you can notify customers that your store is under construction & it will be opening soon. You can add the launch day & a coming soon timer on the coming soon page. Get pre-built launching soon templates for your under construction store. Restrict users on your under maintenance mode store by creating a password protected landing page with age verification. Under Construction Coming Soon app lets you create a coming soon landing page for your under maintenance mode store. With coming soon page, you can notify customers that your store is under construction & it will be opening soon. You can add the launch day & a coming soon timer on the coming soon page. Get pre-built launching soon templates for your under construction store. Restrict users on your under maintenance mode store by creating a password protected landing page with age verification. more Auto schedule coming soon page for your under maintenance store Drag and drop widget to help you in designing opening soon landing page Add age verification on pre launch/opening soon page to restrict underage users Multiple types of coming soon countdown timer for your launching soon page Password protect your under construction page with custom pre-loader icon
Allows you to quickly create pages through the layouts from the library and change their content. Customers are busy individuals who do not have time to create the sites they desire. LayoutHub was created to make this easier by providing a library of various high-quality layouts. Customers may rapidly select and adjust the layout that meets their needs. Everything is set up and ready to go in a matter of minutes. The layouts are created by seasoned e-commerce professionals, and they will undoubtedly help you improve your conversion rate. Customers are busy individuals who do not have time to create the sites they desire. LayoutHub was created to make this easier by providing a library of various high-quality layouts. Customers may rapidly select and adjust the layout that meets their needs. Everything is set up and ready to go in a matter of minutes. The layouts are created by seasoned e-commerce professionals, and they will undoubtedly help you improve your conversion rate. more Powerful and direct editor, easy to use for anyone. The library of diverse and professional layouts. Dedicated and professional 24/7 customer support. Compatible with popular 3rd apps. The app is designed with outstanding performance in mind.
Add a store locator to your storefront. Help customers find where your products are sold offline. Easily add a beautiful and feature rich store locator to your storefront website. Increase your sales by helping your customers find where your products are sold offline. The Store Locator app has the perfect balance of powerful features and an easy to use back-end interface at an affordable price. Easily add a beautiful and feature rich store locator to your storefront website. Increase your sales by helping your customers find where your products are sold offline. The Store Locator app has the perfect balance of powerful features and an easy to use back-end interface at an affordable price. more Get setup quickly with instant installation and bulk location importing. Optimized for mobile and fully responsive. Learn where demand is for your product with powerful search analytics. User friendly interface that automatically finds stores closest to a customer.
Create shoppable Instagram galleries you can add to any page on your storefront. Add one or more Instagram galleries to your homepage, product page or collection pages using your brand IG photos or UGC you curate. You can showcase photos based on your product collections or only product specific galleries on product pages. Drive user engagement and desire with an interactive Instagram gallery that links directly to products for customers to buy. Add one or more Instagram galleries to your homepage, product page or collection pages using your brand IG photos or UGC you curate. You can showcase photos based on your product collections or only product specific galleries on product pages. Drive user engagement and desire with an interactive Instagram gallery that links directly to products for customers to buy. more Showcase beautiful IG galleries on your homepage, collection or product page. Add product specific galleries on product pages. Link each IG photo to one or more products shown in the photo. Add collection specific galleries to any collection page. Easy install and customization with 2.0 Shopify Themes
Sell more with AI bundles AI upsells AI cross sell and personalized AI Bundle & AI Upsell Offers Grow sales with LimeSpot's AI bundles AI upsells & AI cross sell personalized upsell offers. LimeSpot Max full Personalization Suite provides Audience Segmentation, Shapeshifting Personalization, Personalized Discounted Bundles, A/B Testing, Analytics, Email/SMS Personalization, Google Ads targeting & Checkout Optimization. Our AI suggestions, AI bundels, and AI Frequently Bought Together boost AOV instantly. Migrate to LimeSpot's AI bundle app from addly, bundeler, selleasy, aftersell or fbp. Grow sales with LimeSpot's AI bundles AI upsells & AI cross sell personalized upsell offers. LimeSpot Max full Personalization Suite provides Audience Segmentation, Shapeshifting Personalization, Personalized Discounted Bundles, A/B Testing, Analytics, Email/SMS Personalization, Google Ads targeting & Checkout Optimization. Our AI suggestions, AI bundels, and AI Frequently Bought Together boost AOV instantly. Migrate to LimeSpot's AI bundle app from addly, bundeler, selleasy, aftersell or fbp. more AI product suggestions with ai upsell offers on every page - from hp to checkout Max Personalizer adds personalization to upsell AI and bundle AI to grow AOV Boost sales with AI Frequently Bought Together, AI bundles and AI cross-sell Easily create ai bundle upsell bundels for compelling product suggestions upsale Set up in minutes using our AI bundle builder & automatic theme styling
Combined Listings | Variants on Collection | Linked products as variants | Color Swatch | Button King Linked Options is a Combined Listings app available for all Shopify plans, links separate / related products as variants. Making Variant Listings SEO Friendly, each variant has its own URL, title, and description. Easily sync variant listings with Amazon, Facebook, Google Shopping Feed etc. Enhance Variants with Button, Color Swatch, Image swatch, and Dropdown, display options on product and collection pages, hiding out-of-stock items. Supports single-option and multi-option product groups. King Linked Options is a Combined Listings app available for all Shopify plans, links separate / related products as variants. Making Variant Listings SEO Friendly, each variant has its own URL, title, and description. Easily sync variant listings with Amazon, Facebook, Google Shopping Feed etc. Enhance Variants with Button, Color Swatch, Image swatch, and Dropdown, display options on product and collection pages, hiding out-of-stock items. Supports single-option and multi-option product groups. more Combine product variant listings for better user experience, SEO, and conversion Flexible styling with buttons, color swatches, image swatches, and dropdowns Show variants on Product Page, Collections Page, Product card (recommend) Supports enhanced multi-option product groups like size, color, and material Mark / Hide Out of Stock products, remove achieved products.
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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.