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
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.
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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
Get more email signups from store visitors to amplify your email marketing lead-generation tactics. POWR Email Signup is an easy way to gather a strong list of emails that are essential for running a successful online business. Quickly install it on your online store with no coding. Fully customize it to match your personal brand. Captured emails can be used in many ways, such as drip marketing, newsletter signups, and blog subscribers. Level up your lead generation and stay in touch with customers & interested prospects. POWR Email Signup is an easy way to gather a strong list of emails that are essential for running a successful online business. Quickly install it on your online store with no coding. Fully customize it to match your personal brand. Captured emails can be used in many ways, such as drip marketing, newsletter signups, and blog subscribers. Level up your lead generation and stay in touch with customers & interested prospects. more Flexible Display Controls. Choose display frequency & select triggers. Set up autoresponders and instant email alerts for new submissions. Choose from many different pre-built templates and match it to your brand
Easily create customizable image sliders, heroes, banners & slideshows to boost conversions. Enhance your product pages with POWR Image Slider & Slideshow! Upload, customize, and publish stunning product images in minutes without coding. Choose from multiple layouts like slider, carousel, and hero, and add smooth transitions. Protect your images by disabling right-click, customize slider speed, and include CTA buttons and SEO alt text for each image to boost conversions. Perfect for showcasing best sellers and new releases, ensuring shoppers have a clear view of what they're buying. Enhance your product pages with POWR Image Slider & Slideshow! Upload, customize, and publish stunning product images in minutes without coding. Choose from multiple layouts like slider, carousel, and hero, and add smooth transitions. Protect your images by disabling right-click, customize slider speed, and include CTA buttons and SEO alt text for each image to boost conversions. Perfect for showcasing best sellers and new releases, ensuring shoppers have a clear view of what they're buying. more Versatile slider layouts: slider, carousel, hero, with custom transitions. Slider types: Highlight products, best sellers, logos, new releases Image protection: Prevent image copying with disable right-click feature. Enhance engagement: Add CTA buttons and SEO alt text to each slider image. AI Image Generation: Convert text to image in a single prompt
Easily display Instagram Feed + Reels on your store. Convert more store visitors into customers. Showcase your Instagram feed + Reels with POWR Instafeed! Connect multiple accounts and hashtags to display posts that enhance your customers’ experience. Plus, connect other social feeds like Facebook, YouTube, TikTok, and Pinterest for a unique, super-POWR'd feed. Enjoy customizable designs, automatic updates for fresh content, and 24/7 support. With powerful analytics, track engagement to optimize your marketing strategy. Engage your audience with stunning visual displays & get more sales! Showcase your Instagram feed + Reels with POWR Instafeed! Connect multiple accounts and hashtags to display posts that enhance your customers’ experience. Plus, connect other social feeds like Facebook, YouTube, TikTok, and Pinterest for a unique, super-POWR'd feed. Enjoy customizable designs, automatic updates for fresh content, and 24/7 support. With powerful analytics, track engagement to optimize your marketing strategy. Engage your audience with stunning visual displays & get more sales! more Create Instagram Feeds and interactive Instagram Reels Connect Instagram but also Facebook, YouTube, Pinterest, TikTok & more Choose grid, slider, collage layouts, and crop images for a polished design Add hover effects and approve posts before they go live on your feed Link personal or business Instagram accounts with posts and hashtag feeds
Showcase stunning product images in an interactive lookbook gallery A visually captivating product gallery is a crucial aspect of an online store's success. POWR Lookbook Gallery is an easy-to-use tool that effectively displays your products, leading to higher customer engagement and ultimately driving up sales. Upload photos, create new images straight from Canva, or even add videos from YouTube, TikTok, and Vimeo. You can use the gallery to promote articles, events, or other unique content that makes your store stand out and distinguish your brand. A visually captivating product gallery is a crucial aspect of an online store's success. POWR Lookbook Gallery is an easy-to-use tool that effectively displays your products, leading to higher customer engagement and ultimately driving up sales. Upload photos, create new images straight from Canva, or even add videos from YouTube, TikTok, and Vimeo. You can use the gallery to promote articles, events, or other unique content that makes your store stand out and distinguish your brand. more Create stunning lookbook galleries or carousels with shoppable product images. Arrange your lookbook in grid, pic collage, or list-style layouts. Engage shoppers with likes and social sharing options for brand loyalty. Use lightbox features and hover effects to make your images stand out. Enable keyword search in your gallery for easy navigation and better UX.
Easily create customizable email capture & promo popups to grow your email list and boost sales. POWR Popup drives more sales, captures new leads, and recovers carts with ease and simplicity. Engage store visitors with custom discount offers, newsletter signups, and urgency sale pop ups designed to improve conversions. Trigger pop ups on store entry, after a delay, or when there is exit intent. Quickly automate your marketing campaign workflows with easy integrations to MailChimp, Klaviyo, Zapier, and more. Now featuring an internal email marketing tool (for Business users only) POWR Popup drives more sales, captures new leads, and recovers carts with ease and simplicity. Engage store visitors with custom discount offers, newsletter signups, and urgency sale pop ups designed to improve conversions. Trigger pop ups on store entry, after a delay, or when there is exit intent. Quickly automate your marketing campaign workflows with easy integrations to MailChimp, Klaviyo, Zapier, and more. Now featuring an internal email marketing tool (for Business users only) more 250+ pre-built popup templates: Discount offer, newsletter signup, email capture 20+ popup elements: Countdown timer, images, GIFs, custom CTAs Trigger popups immediately, on scroll, delay, with exit intent or custom trigger Campaign scheduling: Launch limited-time offers, product releases, promo sales Popups analytics: Track key metrics like views, clicks & responses
Highlight product videos and tutorials from YouTube, TikTok, or Vimeo in a simple gallery layout. Product videos and how-to videos are very helpful in attracting new customers and increasing conversion rates on your store. Our video gallery app allows you to create a beautiful video gallery in minutes. You can use links directly from YouTube, TikTok, or Vimeo, which will auto-refresh and display them in the layout of your choice, like a grid, gallery, or collage. POWR YouTube Video Gallery provides numerous customization options to make your video galleries look amazing. Product videos and how-to videos are very helpful in attracting new customers and increasing conversion rates on your store. Our video gallery app allows you to create a beautiful video gallery in minutes. You can use links directly from YouTube, TikTok, or Vimeo, which will auto-refresh and display them in the layout of your choice, like a grid, gallery, or collage. POWR YouTube Video Gallery provides numerous customization options to make your video galleries look amazing. more Insert payments links in your videos for instant sales Besides gallery styles, use a layout like a carousel or single hero video. Video content refresh - Set how often new videos are auto-refreshed Enable video auto-play, auto-slide, auto-repeat, random order and more Turn on captions, social sharing + likes and comments
Organize & display product descriptions, size charts, return policies, and more with POWR Tabs. Product tabs have proven to reduce shopper confusion & improve customer experience. Optimize your store for sales with product page menus, and display delivery & return policies, size charts, or product description information in custom-made tabs. Adjust colors, fonts, and spacing, to match your branded design so your product page tabs menu fits perfectly into your site theme. Take every advantage to convert more browsers into buyers! Product tabs have proven to reduce shopper confusion & improve customer experience. Optimize your store for sales with product page menus, and display delivery & return policies, size charts, or product description information in custom-made tabs. Adjust colors, fonts, and spacing, to match your branded design so your product page tabs menu fits perfectly into your site theme. Take every advantage to convert more browsers into buyers! more Fully open format for complete product tabs customization Add hyperlinks, images, HTML code and more to your tabs menu Enable hover effects on tabs - highlight or color invert Select layout, size, width, style, transition speed & alignment Product descriptions and tabs are supported in any language
Maximize your sales with POWR Countdown Timer—boost urgency with timers, banners, cart countdown. Create urgency that drives sales with POWR Countdown Timer. Perfect for flash sales, product launches, or special discounts, our countdowns encourage shoppers to act fast. Designed for end-of-season sales and events, they help increase order values and speed up decisions. Choose from our easy-to-use pre-built templates for quick setup or customize your own. You can even use the count-up feature to showcase store visits and build trust. Simple to install, it’s the ideal tool to engage customers. Create urgency that drives sales with POWR Countdown Timer. Perfect for flash sales, product launches, or special discounts, our countdowns encourage shoppers to act fast. Designed for end-of-season sales and events, they help increase order values and speed up decisions. Choose from our easy-to-use pre-built templates for quick setup or customize your own. You can even use the count-up feature to showcase store visits and build trust. Simple to install, it’s the ideal tool to engage customers. more Product countdown timer - Create urgency around new product launches Announcement countdown banner - Let customers know about upcoming sales Landing page countdown bar - Show promotions on specific landing pages Advanced customization: pre-built templates, animations, timing and layouts Custom layout - Set as banner, fixed header or cart countdown timer
Build any type of form, from simple to complex, with our easy-to-use custom form builder app. A trustworthy and functional form builder can be a very versatile tool in your arsenal. Whether you want to collect contact information, fulfill orders, or take registrations, you can do them all with the Custom Form Builder Pro. With multiple functions to automate store management & integrate with all your other favorite platforms, Form Builder Pro will do it. Choose from many pre-built form templates, or start from scratch. Setup in seconds, install in minutes. A trustworthy and functional form builder can be a very versatile tool in your arsenal. Whether you want to collect contact information, fulfill orders, or take registrations, you can do them all with the Custom Form Builder Pro. With multiple functions to automate store management & integrate with all your other favorite platforms, Form Builder Pro will do it. Choose from many pre-built form templates, or start from scratch. Setup in seconds, install in minutes. more Functionality: Use conditional logic, file uploads, add images, and more Automation: Set up auto-response emails and instant alerts for new submissions Analytics: Track form performance, submissions, responses, etc. Support: 24/7 email support + Live chat & strategy calls Bonus: Full access to try out all other POWR apps
Revolutionize how you show your upcoming events, webinars, and more with a stylish Event Gallery. POWR Event Gallery Showcase is designed to transform your website's visual appeal. It brings your event images to life with versatile layouts like lookbook styles, grids, pic collages, or sliders. Engage your audience further by enabling social media sharing and likes directly from your gallery. Plus, with our dynamic lightbox and hover effects, your event visuals will captivate visitors. Now featuring an internal email marketing tool (for Business users only) POWR Event Gallery Showcase is designed to transform your website's visual appeal. It brings your event images to life with versatile layouts like lookbook styles, grids, pic collages, or sliders. Engage your audience further by enabling social media sharing and likes directly from your gallery. Plus, with our dynamic lightbox and hover effects, your event visuals will captivate visitors. Now featuring an internal email marketing tool (for Business users only) more Versatile layout styles: Gallery, lookbook, grid, collage, slider Enable social sharing and likes for more engagement Dynamic lightbox and hover effects so shopper can take a closer look Open-text search function for easier event gallery navigation
Make it easy to showcase packages, services, or plans side-by-side with our Pricing Comparison Table When a shopper can quickly compare your various pricing plans at once, it benefits your business in two key ways. 1) Purchase decisions are made faster, shortening your sales cycle, and 2) More of your higher-priced choices are sold. You can also use it to cross-sell by displaying related products together. A pricing comparison table will increase revenue if your pricing is competitive and product features are clearly displayed. It will also keep your store well-organized and easy to understand. When a shopper can quickly compare your various pricing plans at once, it benefits your business in two key ways. 1) Purchase decisions are made faster, shortening your sales cycle, and 2) More of your higher-priced choices are sold. You can also use it to cross-sell by displaying related products together. A pricing comparison table will increase revenue if your pricing is competitive and product features are clearly displayed. It will also keep your store well-organized and easy to understand. more Highlighted plan: Draw more attention to the "Best" or "Recommended" plan option Choose to direct buyers to your pricing page or take payments directly in-app Set CTA buttons to make one-time payments, donations, or subscription pricing Set size, spacing, colors & border of your comparison table to match your brand Adjust each pricing table with optional & unlimited plan features
Reduce returns and support calls + get more sales with an easy product size chart, size guide. This is a simple and straightforward app for displaying proper sizing for your products on your store. It has many benefits, like empowering customers to understand the correct size before buying and minimizing returns and refunds due to sizing issues. Provide comprehensive product details and reduce the need for customer support inquiries. Accelerate the purchase process by addressing sizing concerns upfront, preventing customers from abandoning their carts. This is a simple and straightforward app for displaying proper sizing for your products on your store. It has many benefits, like empowering customers to understand the correct size before buying and minimizing returns and refunds due to sizing issues. Provide comprehensive product details and reduce the need for customer support inquiries. Accelerate the purchase process by addressing sizing concerns upfront, preventing customers from abandoning their carts. more Functional product sizing chart on your website with no coding required Add multiple size tables, images, videos, tabs, and more to your size charts Highlight feature to bring attention to the most popular size Match your brand’s style with customizable colors, fonts, sizes, and borders
Easily add a customizable interactive store locator map to show your stores, dealers, and stockists. Take your online store to the next level with POWR Map! Easily create interactive maps for your stores, events, or pop-ups—no coding required. With the new Google Sheets integration, you can bulk upload your store locations in a snap. Plus, we've added a geolocation search bar, automated store locators, and customizable map styles. Your customers will find you easily—boosting both online sales and in-person visits. Take your online store to the next level with POWR Map! Easily create interactive maps for your stores, events, or pop-ups—no coding required. With the new Google Sheets integration, you can bulk upload your store locations in a snap. Plus, we've added a geolocation search bar, automated store locators, and customizable map styles. Your customers will find you easily—boosting both online sales and in-person visits. more Plot locations worldwide Bulk location upload via Google Sheets or CSV Streets, Transit, Satellite, or Hybrid map styles Custom searches on side panel search bar Show closest store & directions with a clickable map pin
Improve conversions, store design, and shopper experience with a Video Slider Feed! Embed a POWR Video Slider to show product tutorials, testimonials, or promo videos on any or multiple pages. Help store visitors visualize the benefits of your products or services in an eye-catching sliding video feed. Boost store engagement with a video header or video on your main store page. Upload tutorials and how-to videos, or create a page full of product videos. Customize your Video Slider to match your store theme with custom colors & fonts, transitions, playback options, and more! Embed a POWR Video Slider to show product tutorials, testimonials, or promo videos on any or multiple pages. Help store visitors visualize the benefits of your products or services in an eye-catching sliding video feed. Boost store engagement with a video header or video on your main store page. Upload tutorials and how-to videos, or create a page full of product videos. Customize your Video Slider to match your store theme with custom colors & fonts, transitions, playback options, and more! more Create any video display style - slider, banner, gallery, hero, or a whole page Set up your video feed for auto-play and/or auto-repeat, then set delay Enable video auto-cropping and set aspect ratio - 16:9, 4:3 or custom Set video slider size, transitions, speed and add captions Multiple pre-built video slider templates to choose from
Create wholesale orders for bulk order fulfillment and expand your wholesale customer network. Grow your wholesale customer base with easy order sheets you can create in minutes. POWR Wholesale Orders makes creating custom wholesale order forms for your website easy without coding, and they are synced with Shopify customers. Whether it's a simple order, a complex bulk order, or a vendor registration, you can build it with the POWR B2B Wholesale Order. Grow your wholesale customer base with easy order sheets you can create in minutes. POWR Wholesale Orders makes creating custom wholesale order forms for your website easy without coding, and they are synced with Shopify customers. Whether it's a simple order, a complex bulk order, or a vendor registration, you can build it with the POWR B2B Wholesale Order. more Accept payments: Single payments, subscriptions, donations + more Multi-step form: Use conditional logic for creating longer complex orders Sync contacts: Auto-saved contacts with Shopify Customers & Mailchimp Autoresponder: Instant email reply to new wholesale order customers Instant alerts: Get an email immediately after new order submissions
AI search, product filters & predictive search bar to boost CR with smart product search & discovery Prefixbox AI Search is Built for Shopify. Prefixbox enhances search and collection pages through predictive search bar, product discovery and dynamic product filters. Customize product tiles within Shopify Theme Editor. Supporting Shopify Plus and Markets. Boost conversions with search recommendations, typo-tolerant search, custom sorting and easy synonym management. Full metaobject, metafield and product option support. Gain full control with merchandising to override or promote products. Prefixbox AI Search is Built for Shopify. Prefixbox enhances search and collection pages through predictive search bar, product discovery and dynamic product filters. Customize product tiles within Shopify Theme Editor. Supporting Shopify Plus and Markets. Boost conversions with search recommendations, typo-tolerant search, custom sorting and easy synonym management. Full metaobject, metafield and product option support. Gain full control with merchandising to override or promote products. more Customize product tiles and search & filter interface in Shopify’s Theme Editor Use dynamic product filters to refine by collections or features for search Override any filter or search result to promote products with Merchandising Empower shoppers with AI search (vector) that learns from behavior and context Track search and filter performance with analytics to boost conversions
Stunning comparison tables for your store, highlighting why your products are worth purchasing Introducing Pretty Comparison Tables - an app for making visual, dynamic comparison tables of your products and collections. With access to three unique templates, merchants can easily showcase features and benefits, helping customers make informed decisions. Create sleek, responsive tables that highlight key details like product variations, technical specifications, and more. Ideal for visual comparisons across your catalog. Introducing Pretty Comparison Tables - an app for making visual, dynamic comparison tables of your products and collections. With access to three unique templates, merchants can easily showcase features and benefits, helping customers make informed decisions. Create sleek, responsive tables that highlight key details like product variations, technical specifications, and more. Ideal for visual comparisons across your catalog. more Engaging templates to create stunning comparison tables for products/collections Add comparison text, and more to each row, providing valuable insights Mobile-friendly design ensures seamless user experience on all devices Intuitive user interface functionality, for easy table management Focus on customer satisfaction, by streamlining the decision-making process
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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.