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.
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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We've analyzed thousands of custom css apps to identify the top performers based on ratings and install counts.
View Best Custom CSS AppsShow multiple galleries in multiple views at various locations, compatible with an array of themes. Enhance your e-commerce store with dynamic galleries that improve customer experience and provide a comprehensive view of your offerings. Picca Lookbook allows you to create multiple galleries featuring dynamic images, helping refresh and elevate your website’s appearance. No coding skills are required. Simply upload your images and let Picca Lookbook handle the rest. All galleries are designed to be fully responsive across devices. You can create as many galleries as you need. Enhance your e-commerce store with dynamic galleries that improve customer experience and provide a comprehensive view of your offerings. Picca Lookbook allows you to create multiple galleries featuring dynamic images, helping refresh and elevate your website’s appearance. No coding skills are required. Simply upload your images and let Picca Lookbook handle the rest. All galleries are designed to be fully responsive across devices. You can create as many galleries as you need. more 5 types of gallery format including masonry, stack, justified, grid, carousel The admins can easily upload images with drag and drop while creating a gallery. Allows users to add any custom CSS directly to match their theme and design. Customize your gallery by changing the set width, margin, mobile width, etc. Product tagging functionality and various Galleries option with setup included.
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 & cutoff times. Scale with multi location support & a product based setup for items available on specific days. Delivery rates by zip code, post code & 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 delivery. Advanced delivery and pickup scheduling solution for your Shopify store. Use the delivery calendar to set order deadlines, blackout holidays & cutoff times. Scale with multi location support & a product based setup for items available on specific days. Delivery rates by zip code, post code & 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 delivery. 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.
Create professional size charts, boosting customer confidence and reducing returns for your store Pify Size Charts solves a critical problem for apparel merchants: customer uncertainty about sizing. Our app lets you create customized, professional size charts for all clothing types - from tops and bottoms to shoes for men, women, and children. By displaying accurate measurements with visual guides, your customers make confident purchase decisions, reducing size-related returns. Installation takes just minutes, with no coding required. Pify Size Charts solves a critical problem for apparel merchants: customer uncertainty about sizing. Our app lets you create customized, professional size charts for all clothing types - from tops and bottoms to shoes for men, women, and children. By displaying accurate measurements with visual guides, your customers make confident purchase decisions, reducing size-related returns. Installation takes just minutes, with no coding required. more Hover proudct size option to show the size information real-time Add multiple size tables, images, tabs, and more to your size charts Unit Converter – Automatic metric & imperial conversion (cm/inch) Pre-Built Templates – Ready-to-use professional designs for quick setup Mobile & SEO Optimized – Fully responsive and search-friendly display
Create custom size charts that match your brand. Easy setup, fast loading, flexible rules. Build custom size charts that reduce returns and improve customer confidence. Use the size chart builder to create size guides with 10 module types, custom colors, fonts, and layouts that match your store perfectly. Easily import existing size data or export size charts for backup. Target size charts to specific products, collections, vendors, or product types. Professional design loads instantly without slowing down your store performance. Optimised and mobile ready. Build custom size charts that reduce returns and improve customer confidence. Use the size chart builder to create size guides with 10 module types, custom colors, fonts, and layouts that match your store perfectly. Easily import existing size data or export size charts for backup. Target size charts to specific products, collections, vendors, or product types. Professional design loads instantly without slowing down your store performance. Optimised and mobile ready. more Drag & drop chart builder with 10 module types, custom colors, fonts and layouts Smart targeting for products, collections, vendors, and product types Import/export functionality for easy data management and backup Lightweight design that maintains store performance Flexible button placement anywhere on product pages
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
Answer shopper questions on every product page in your own words, and see what your pages miss. PlainSaid adds a Q&A box to your product pages. Shoppers tap a suggested question or ask their own and get an instant answer drawn only from facts you approve. Your most-asked questions are answered in your exact words, with no AI rewording. Questions your pages can't answer are collected by product, so you can see what shoppers need to know before they buy. Answers also publish as structured data for Google and to Shopify's Q&A layer that AI shopping assistants read. PlainSaid adds a Q&A box to your product pages. Shoppers tap a suggested question or ask their own and get an instant answer drawn only from facts you approve. Your most-asked questions are answered in your exact words, with no AI rewording. Questions your pages can't answer are collected by product, so you can see what shoppers need to know before they buy. Answers also publish as structured data for Google and to Shopify's Q&A layer that AI shopping assistants read. more Instant answers on product pages, drawn only from facts you approve Suggested questions shoppers can tap, answered in your exact words Unanswered questions and stated objections, grouped by product Answers published to Google structured data and Shopify's AI Q&A layer One knowledge base shared across a product's variant Import and export your Q&A
Boost sales with discounts and upsells, and increase conversions with the side cart and checkout! Create any type of promotion: quantity breaks, bundles, Buy X Get Y (BOGO), automatic free gifts, upsells, flash sales, coupon codes, cart discounts, and more. Segment your promotions by market and customer. Increase conversions with our smart cart drawer — progress bar, upsells, gift selector, announcements, promotions and more. Raise average order value by adding upsells on the checkout, post-purchase, thank-you, and order status pages. Create any type of promotion: quantity breaks, bundles, Buy X Get Y (BOGO), automatic free gifts, upsells, flash sales, coupon codes, cart discounts, and more. Segment your promotions by market and customer. Increase conversions with our smart cart drawer — progress bar, upsells, gift selector, announcements, promotions and more. Raise average order value by adding upsells on the checkout, post-purchase, thank-you, and order status pages. more Increase sales with advanced promotions: bundles, free gifts, discounts, etc Convert with the cart drawer: real-time upsells, gifts, and discounts Show upsells on the checkout and thank-you pages to increase average order value Segment all promotions and carts by markets or customers Built on Shopify Functions, compatible with any other discount or coupon code
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
Give your customers accurate AI-powered size recommendations improving fit accuracy and conversions. Polypo offers AI-powered size recommendations that adapt to all body shapes and sizes. It is simple for brands to install and integrates directly into product pages. Shoppers create their profile once and instantly receive their recommended size on every product, helping them make faster and more confident purchase decisions. Polypo offers AI-powered size recommendations that adapt to all body shapes and sizes. It is simple for brands to install and integrates directly into product pages. Shoppers create their profile once and instantly receive their recommended size on every product, helping them make faster and more confident purchase decisions. more AI sizing that boosts sales and reduces fit-related returns Digital twin avatars created from two shopper images Accurate sizing using precise body measurements One-time shopper login for size-wide recommendations enhancing store experience Easy integration into any product page
Popsize reduces returns with AI sizing, offering smart fit guidance on your product pages. Popsize solves one of fashion e-commerce’s biggest challenges: sizing uncertainty. By combining our proprietary AI models, real shopper profiles and brand-specific data, we deliver personalized size recommendations that reduce return rates and improve the shopping experience. Popsize can be set up in 2 minutes, integrates seamlessly with your storefront, and helps provides you with reliable size guidance directly on product pages. Popsize solves one of fashion e-commerce’s biggest challenges: sizing uncertainty. By combining our proprietary AI models, real shopper profiles and brand-specific data, we deliver personalized size recommendations that reduce return rates and improve the shopping experience. Popsize can be set up in 2 minutes, integrates seamlessly with your storefront, and helps provides you with reliable size guidance directly on product pages. more AI-driven size recommendations Real consumer fit intelligence Seamless product page integration
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...
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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.