Shop easily with PDP Star! Enjoy Coupled With, Recently Viewed, and Pin code Checker features. Unlock growth opportunities with essential features like "Coupled With" for upselling. Allow customers to easily find and return to products they have previously viewed, with "Recently Viewed" and ensure seamless delivery with "Pin code Checker." Streamline operations, capitalize on sales, and thrive in the marketplace with PDP Star's intuitive tools and support. Invest in your business's success - choose PDP Star today! Unlock growth opportunities with essential features like "Coupled With" for upselling. Allow customers to easily find and return to products they have previously viewed, with "Recently Viewed" and ensure seamless delivery with "Pin code Checker." Streamline operations, capitalize on sales, and thrive in the marketplace with PDP Star's intuitive tools and support. Invest in your business's success - choose PDP Star today! more Custom Product Label : To capture customer attention and highlight key product. Pincode Checker : Allow customers to verify delivery availability in their area. Coupled With : Showcase exciting product offers and bundles increasing AOV. Size Charts & FAQ : Guide customers in selecting the correct product. Other features like, Breadcrumbs, Recently Viewed & Sticky Add to Cart/Buy Now.
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
Personalify uses AI to create smart product customization templates, making personalization smart. Personalify empowers merchants to sell fully customizable products with AI-generated templates, making personalization faster and easier. Whether you need engraved jewelry, custom apparel, personalized gifts, or multi-option products, Personalify helps you scale customization effortlessly. By automating personalization, Personalify enhances customer experience, boosts conversions, and reduces errors. It’s the perfect tool for any store looking to streamline customization and maximize sales. Personalify empowers merchants to sell fully customizable products with AI-generated templates, making personalization faster and easier. Whether you need engraved jewelry, custom apparel, personalized gifts, or multi-option products, Personalify helps you scale customization effortlessly. By automating personalization, Personalify enhances customer experience, boosts conversions, and reduces errors. It’s the perfect tool for any store looking to streamline customization and maximize sales. more AI-Generated Customization Templates Smart Conditional Logic Live Preview for Customers
Boost profits with AI personalized upsell & cross-sell offers at every step of the shopper's journey PersonalizerAI's personalization engine will deliver highly converting and profitable recommendations in the right places, at the right time. Don't miss any opportunity to sell more. Earn additional revenue from every customer by displaying personalized upsell & cross-sell recommendations on your product page, cart, collection, blogs, post-purchase & more. Boost AOV & revenue by delivering personalized recommendations throughout your entire store from pre-purchase to post-purchase. PersonalizerAI's personalization engine will deliver highly converting and profitable recommendations in the right places, at the right time. Don't miss any opportunity to sell more. Earn additional revenue from every customer by displaying personalized upsell & cross-sell recommendations on your product page, cart, collection, blogs, post-purchase & more. Boost AOV & revenue by delivering personalized recommendations throughout your entire store from pre-purchase to post-purchase. more Profitable click-worthy personalized recommendations powered by Google AI AI personalized "Frequently Bought Together, Similar Items, You May Also Like” AI personalized upsell & cross-sell recommendations for product page & cart
Increase conversions with always visible sticky banner, sticky add to cart button & skip cart button Boost sales with an always visible Sticky Add to Cart bar that keeps your add to cart button always in reach. Don’t let shoppers slip away - enable skip to checkout to slash abandoned carts instantly. Our quick buy now button and instant checkout logic removes every hurdle, sending customers straight to payment. Optimize your store by hiding apple pay or distracting buttons for a premium look. With a mobile-awesome design and 1-click install, Stik turns your shop into a high-conversion machine! Boost sales with an always visible Sticky Add to Cart bar that keeps your add to cart button always in reach. Don’t let shoppers slip away - enable skip to checkout to slash abandoned carts instantly. Our quick buy now button and instant checkout logic removes every hurdle, sending customers straight to payment. Optimize your store by hiding apple pay or distracting buttons for a premium look. With a mobile-awesome design and 1-click install, Stik turns your shop into a high-conversion machine! more Always visible sticky add to cart button to ensure you never miss a sale. Automatically inherit your theme fonts and colors for a native, seamless look. Instant checkout: Skip the cart page and send customers straight to checkout. Hide PayPal, Apple Pay payment methods & add to cart / buy it now buttons. Drive urgency and highlight offers with a sticky announcement or promo bar.
Add JSON+LD Schema & breadcrumbs based on menu structure. Add breadcrumb hierarchy on product pages. One of the best things about this app is that it can breadcrumblist SEO schema up to 5 levels, generated in HTML, not Javascript! Do you want to improve the navigational experience for each visitor to your Shopify store? Do you want to create a breadcrumbs hierarchy for Google and people to follow? Then this app is for you! Numerous config options to make it look great. Bread crumb navigation is automatically based on menu structure. You can also add bread crumbs on product pages. One of the best things about this app is that it can breadcrumblist SEO schema up to 5 levels, generated in HTML, not Javascript! Do you want to improve the navigational experience for each visitor to your Shopify store? Do you want to create a breadcrumbs hierarchy for Google and people to follow? Then this app is for you! Numerous config options to make it look great. Bread crumb navigation is automatically based on menu structure. You can also add bread crumbs on product pages. more Allows for multi-level SEO JSON-LD breadcrumb. Allows huge number of customizations to breadcrumb navigation. Add breadcrumb navigation based on menu structure. Improves SEO by creating JSON+LD BreadcrumbList Schema based on menu structure. Easy, fast setup with global settings, allow you to set once and use everywhere.
Sell custom framed prints, canvas wall art & AI-generated portraits. Live design. Print Ready Files. Customers can't buy what they can't picture. Photo Frame Customizer- Live gives every shopper a live design studio on your product page- upload a photo, pick a frame, adjust the size, generate AI art, and checkout with confidence. You receive a print-ready file for every order automatically. No back-and-forth. No manual prep. Just sales. Your customers upload a photo, select an artistic style, and receive a unique framed AI artwork ready to order. No design skills required on their end. Customers can't buy what they can't picture. Photo Frame Customizer- Live gives every shopper a live design studio on your product page- upload a photo, pick a frame, adjust the size, generate AI art, and checkout with confidence. You receive a print-ready file for every order automatically. No back-and-forth. No manual prep. Just sales. Your customers upload a photo, select an artistic style, and receive a unique framed AI artwork ready to order. No design skills required on their end. more AI art generator- Portraits, pet art, family art etc. Add more AI custom styles. Live frame preview- Real-time visualization as customers customize Frame color selector- Configure black, white, wood, gold, or any custom finish Size configurator- Customers see the photo rescale live as sizes change Print-ready file automation- Every order arrives production-ready in your admin
Create fast, beautiful photo galleries that sell. Protect them with watermarks, publish in seconds. With Robin PRO you can easily create beautiful, fast, mobile-friendly photo galleries. You can protect your images with watermarks and link them to products to drive sales. Create pixel-perfect grid and masonry layouts. Robin PRO delivers optimized, lazy-loaded images from a fast CDN. Simple admin to upload your images in bulk and publish them in seconds. Friendly support to help you import your images from Cozy Image Gallery and other apps. With Robin PRO you can easily create beautiful, fast, mobile-friendly photo galleries. You can protect your images with watermarks and link them to products to drive sales. Create pixel-perfect grid and masonry layouts. Robin PRO delivers optimized, lazy-loaded images from a fast CDN. Simple admin to upload your images in bulk and publish them in seconds. Friendly support to help you import your images from Cozy Image Gallery and other apps. more Load galleries fast thanks to optimization, lazy loading, smart sizing and CDN. Deliver flawless shopping experience to your customers on mobile devices. Drive sales from within your photo galleries by linking them to products. Prevent right clicks, add watermarks to protect your gallery images from theft. Add alt tags for SEO-friendly images and improved visibility on search engines.
Empower your store with curated collections! Elevate sales by showing the most in-demand collections Elevate your store with our app! Effortlessly showcase top collections in a captivating carousel using multiple templates and advanced customization options. Highlight key collections in stunning displays to enhance sales, engage customers, and stay ahead of the competition. Our intuitive platform transforms the shopping experience, empowering merchants to unlock their store's full potential and boost online visibility. Elevate your store with our app! Effortlessly showcase top collections in a captivating carousel using multiple templates and advanced customization options. Highlight key collections in stunning displays to enhance sales, engage customers, and stay ahead of the competition. Our intuitive platform transforms the shopping experience, empowering merchants to unlock their store's full potential and boost online visibility. more Enable merchants to showcase collections in a captivating carousel. Provide multiple design templates to match any store's branding. Enable merchants to display collections in the form of a carousel. Real time preview of the carousel. Seamlessly integrate the carousel into Shopify stores for easy management.
Pickup delivery calendar widget to schedule local pickup and delivery date, time slots & order limit Advanced delivery and pickup scheduling solution for your Shopify store. Use the delivery calendar to set order deadlines, blackout holidays and cutoff times. Scale with multi location support and a product based setup for items available on specific days. Set delivery rates by zip code, post code and distance to reduce costs. Limit orders per time slot to manage capacity. Pickup date and delivery scheduling by inventory & location — built for grocery, florist, bakery, restaurant and cake shop Advanced delivery and pickup scheduling solution for your Shopify store. Use the delivery calendar to set order deadlines, blackout holidays and cutoff times. Scale with multi location support and a product based setup for items available on specific days. Set delivery rates by zip code, post code and distance to reduce costs. Limit orders per time slot to manage capacity. Pickup date and delivery scheduling by inventory & location — built for grocery, florist, bakery, restaurant and cake shop more Schedule delivery time slots, click and collect, shipping date & order limits. Set order cut-off, prep time, blackout dates, min order value & zipcode check. Product based preparation time, fulfillment type, availability & blackout dates. Multi store locations, delivery days & zones by zip/post code, translations. Delivery rates by zip/postal code, product, weight, cart value & time slots.
AI build powerful contact forms, registration forms, custom forms without coding and get more leads Our Powerful Pify Form Builder is the easy way to connect to your customers and get more leads and product sales. Save much time to create Contact Form, Return/Exchange Form, Order Form or other Custom Forms like Account Registration Form, File Upload Form, Wholesale Order Form, Appointment Booking Form, Popup Form, Subscription Form, Paypal Form, Feedback Form, Inquiry Form, Survery/Research form, Pre-order Form, Quote Request Form, Sales Form and so on. Let your customers upload file or image. Our Powerful Pify Form Builder is the easy way to connect to your customers and get more leads and product sales. Save much time to create Contact Form, Return/Exchange Form, Order Form or other Custom Forms like Account Registration Form, File Upload Form, Wholesale Order Form, Appointment Booking Form, Popup Form, Subscription Form, Paypal Form, Feedback Form, Inquiry Form, Survery/Research form, Pre-order Form, Quote Request Form, Sales Form and so on. Let your customers upload file or image. more Automatically create customer with Contact Widgets,Subscription,get more leads. Wholesale Order Form with payments through your store or Paypal, get more sales. AI builder to save your time, many integrations to make automation. Custom popup forms. Support multiple steps, conditional logic. Embed anywhere. Custom email templates, messages and lots of form styles with no code easily.
Drive sales for BFCM with a fully customizable attractive top bar, motivate customer and boost sales You can easily create eye-catching banners at the top of your website to bring attention to free shipping message, essential updates, special promotions, new product launches, or any other information you want to highlight and ensures that your message gets noticed also with clicks. You have the option to display multiple bars in rotation or with different animations. By offering distinct sales on various bars for specific geographic locations, customers, pages, etc., maximize your sales. You can easily create eye-catching banners at the top of your website to bring attention to free shipping message, essential updates, special promotions, new product launches, or any other information you want to highlight and ensures that your message gets noticed also with clicks. You have the option to display multiple bars in rotation or with different animations. By offering distinct sales on various bars for specific geographic locations, customers, pages, etc., maximize your sales. more Easy Customization: Various rotation & animation, background images & styles Targeted Messaging: geo location, market, pages, device targeting Schedule Announcements: you can plan sales in advance for events like BFCM Action buttons: Drive user to relevant landing pages, registration forms Analytics: Track the number of impressions
Custom Cart fields/attributes/terms. More customization options can help get more sales. Our app helps you to collect additional informations on the cart page and you can see them in the order admin page. Place fields on cart page to know age, preferences and interests and all other information you may need. Or place fields on cart page to know delivery date, logo text and so on. Our app helps you to collect additional informations on the cart page and you can see them in the order admin page. Place fields on cart page to know age, preferences and interests and all other information you may need. Or place fields on cart page to know delivery date, logo text and so on. more Add and manage unlimited fields. Unlimited orders and customers. Support adding order price base on the selection to increase income. Support to add the Terms and Conditions field in the cart and registered page.
Stop size-related returns & boost sales with fast and easy to create size charts. Create clean, custom sizing charts that eliminate sizing confusion and prevent returns. Our intuitive builder lets you easily add images, text, and links for better sizing guidance. Assign multiple size charts per product. Auto unit conversion ensures customers see measurements in their preferred unit system (in/cm). The app loads sizecharts instantly, without slowing down your store. Support for multiple languages and Shopify Markets makes your size guides accessible globally. Create clean, custom sizing charts that eliminate sizing confusion and prevent returns. Our intuitive builder lets you easily add images, text, and links for better sizing guidance. Assign multiple size charts per product. Auto unit conversion ensures customers see measurements in their preferred unit system (in/cm). The app loads sizecharts instantly, without slowing down your store. Support for multiple languages and Shopify Markets makes your size guides accessible globally. more Good looking size charts: Simple and customizable design to fit your brand Easy table management: Import/export tables from Excel or Google Sheets Rich content support: Add images, text, and links for better guidance Smart unit conversion: Automatically switch between inches and centimeters Ultra-fast loading: Size charts loaded instantly with no impact on page speed
Help customers to pick the right product - link related products with color, image, or text swatches Platmart Color Swatches is a combined listings app that lets you link related products with swatches. It can be used to showcase different product colors, styles, shapes, etc. Products can be grouped either manually or automatically. The app stores swatch data in Metafields and caches all images on Shopify CDN. This allows loading swatches instantly without slowing down the store. App is fully translatable and works with Markets. It's compatible with all types of themes and works with headless. Platmart Color Swatches is a combined listings app that lets you link related products with swatches. It can be used to showcase different product colors, styles, shapes, etc. Products can be grouped either manually or automatically. The app stores swatch data in Metafields and caches all images on Shopify CDN. This allows loading swatches instantly without slowing down the store. App is fully translatable and works with Markets. It's compatible with all types of themes and works with headless. more Use separate products for each color/style and link them with swatches Create single-color, two-color, custom image, product image, or pill swatches Manage product groups manually, using CSV, API, collections or metafields Cross out out-of-stock swatches, auto-hide inactive or archived products Customize swatches appearance (label, shape, size) or add custom CSS
Create a customizable shipping banner with dynamic content to enhance your store's shipping details. This app allows you to display a customizable shipping banner on your store’s frontend. Merchants can easily adjust the banner’s font size, style, color, and background to suit their branding. With features like dynamic text and image fields, a default image fallback, and flexible padding controls, this app offers full control over the shipping display. It's perfect for merchants who want to enhance their customers’ shopping experience and improve visual communication. This app allows you to display a customizable shipping banner on your store’s frontend. Merchants can easily adjust the banner’s font size, style, color, and background to suit their branding. With features like dynamic text and image fields, a default image fallback, and flexible padding controls, this app offers full control over the shipping display. It's perfect for merchants who want to enhance their customers’ shopping experience and improve visual communication. more Customizable shipping banner blocks with Dynamic text and image fields Fully Adjustable font size and style Customizable border width and color
Theme section library, metaobject to build your entire store, add to any theme, edit in theme editor Working from a standard theme and want something that looks professional, visually compelling, and fully aligned with your brand universe without a complex page-builder or expensive developers? ECB lets you solve that issue with a SEO-optimized section library, prebuilt templates, metaobjects - all in one. Start faster with/ customisable theme sections - circle menus (built-in rich snippets), shoppable videos, comparison charts, parallax effects, scrolling logo lists, upsell/cross-sell products. Working from a standard theme and want something that looks professional, visually compelling, and fully aligned with your brand universe without a complex page-builder or expensive developers? ECB lets you solve that issue with a SEO-optimized section library, prebuilt templates, metaobjects - all in one. Start faster with/ customisable theme sections - circle menus (built-in rich snippets), shoppable videos, comparison charts, parallax effects, scrolling logo lists, upsell/cross-sell products. more Build with AI: generate theme blocks to tailor product, home, or landing pages. CRO-optimized pages: Build with 100+ prebuilt templates & 238+ premade sections. Flex custom sections: Drag & drop, multi-column layouts & built-in app blocks. Prebuilt metaobject templates: use metaobjects, metafields as dynamic sources. Quickly migrate templates created by Easy Content Builder to a new theme.
Create advanced product filters for brand, type, tag, collection, variant, price and more Looking to Simplify Your Store & Grow Your Sales? Using a collection filtering system is a proven way to grow sales. If you’re searching for a way to boost your stores performance... then a smooth navigation system could be your answer. Retail experts have proven that when stores make it easier for their customers to shop, their sales go up. Why? Because your customers are short on time, and they’ll reward you for making their life easy. That’s why we built the Power Tools Filter Menu! Looking to Simplify Your Store & Grow Your Sales? Using a collection filtering system is a proven way to grow sales. If you’re searching for a way to boost your stores performance... then a smooth navigation system could be your answer. Retail experts have proven that when stores make it easier for their customers to shop, their sales go up. Why? Because your customers are short on time, and they’ll reward you for making their life easy. That’s why we built the Power Tools Filter Menu! more Create advanced product filters for brand, type, tag, collection, variant, price Quickly create, modify and maintain a product filter menu to drive sales Simple installation supporting all themes, so you can focus on what matters most
Boost your store with all the Power Tools apps in one! Save time and automate your store. The multi-app bundle that’s proven to give your store an unfair advantage. If you need to hide sold out products, or maybe you need to show your trending products first then Power Tools Suite is for you. Do you need an advanced filter menu, or run sales with a pricing policy, we've got you covered. There are many apps and features in the Power Tools Suite that have helped countless stores automate their processes and boost their sales, give it a try today! The multi-app bundle that’s proven to give your store an unfair advantage. If you need to hide sold out products, or maybe you need to show your trending products first then Power Tools Suite is for you. Do you need an advanced filter menu, or run sales with a pricing policy, we've got you covered. There are many apps and features in the Power Tools Suite that have helped countless stores automate their processes and boost their sales, give it a try today! more Add performance tweaks to your store and explode your sales. Enhance collections with powerful tools such as filters, trending sort and more Save time and optimize your store with smart deletion and run sales
Build your contact us form or custom form without any technical knowledge required Create professional-looking forms with no coding using Powerful Contact Form Builder. Integrated with many 3rd party applications like Mailchimp, Klavio, Ominisend, Sendinblue, Google Calendar... Easy to display custom form on any pages such as: product page, collection page, cart page, home page, etc. Let your customers upload file or image when they submit your form. Create "form upload" is very easy with Powerful Form Builder app. Custom your registration form with custom fields. Create professional-looking forms with no coding using Powerful Contact Form Builder. Integrated with many 3rd party applications like Mailchimp, Klavio, Ominisend, Sendinblue, Google Calendar... Easy to display custom form on any pages such as: product page, collection page, cart page, home page, etc. Let your customers upload file or image when they submit your form. Create "form upload" is very easy with Powerful Form Builder app. Custom your registration form with custom fields. more Customer account registration forms, customer fields. Create custom forms with file upload, image upload option. Send autoresponder emails and integrate form data with Klaviyo, MailChimp, etc. Easy to build contact us form with captcha, condition logic, etc. Easy to build Feedback Form, Popup Form, Wholesale Order Form, Wholesale form...
Easily build unlimited custom forms for lead collection, contact forms, registration & support forms Create lead generation, event registration, feedback, contact, order forms, and more, without coding. Choose from 200+ customizable templates. Add file uploads, multi-step flows, and conditional logic to boost conversions. Seamlessly sync data with Shopify Customers, Klaviyo, Google Sheets, and more. Includes mobile responsiveness, real-time notifications, and responsive support. Now featuring an email marketing tool that integrates directly with your POWR contacts and Shopify customers! Create lead generation, event registration, feedback, contact, order forms, and more, without coding. Choose from 200+ customizable templates. Add file uploads, multi-step flows, and conditional logic to boost conversions. Seamlessly sync data with Shopify Customers, Klaviyo, Google Sheets, and more. Includes mobile responsiveness, real-time notifications, and responsive support. Now featuring an email marketing tool that integrates directly with your POWR contacts and Shopify customers! more Launch forms fast with 200+ templates, design controls, and flexible form layout Send automated emails and instant alerts when customers complete your forms Automate lead capture, customer onboarding, and sales workflows Customize forms with multi-step flows, conditional logic, file uploads, and more Turn form submissions into leads, sales, bookings, registrations automatically
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.