Live product personalizer & designer for custom apparel, mugs, gifts & POD Qstomizer is a live product customizer and personalizer for Shopify. Let your customers design custom products directly on your store: t-shirts, mugs, phone cases, posters, gifts and any print-on-demand item. With a visual product designer, real-time preview, image upload, text personalization, color and font options, bulk pricing, Qstomizer turns your catalog into customizable products that convert. Works with POD fulfillment and any Shopify theme. Qstomizer is a live product customizer and personalizer for Shopify. Let your customers design custom products directly on your store: t-shirts, mugs, phone cases, posters, gifts and any print-on-demand item. With a visual product designer, real-time preview, image upload, text personalization, color and font options, bulk pricing, Qstomizer turns your catalog into customizable products that convert. Works with POD fulfillment and any Shopify theme. more Product customizer with 200+ pre-made templates. Or create your own. Custom file upload: PDF, PSD, AI, EPS, CDR. 15,000+ stock images and QR. Personalize products with multi-side print areas, price rules & discounts. AI text-to-image, background removal, Google fonts and pro image editor. Design your own t-shirts, mugs, gifts. Mobile-ready with bulk variants.
Custom CSS Shopify Apps
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Quick Announcements builder, Create alerts & notices with ease. Quick Notice Clear Alert is your solution to keeping your customers informed and engaged. Whether it’s sharing order updates, announcing promotions, or delivering personalized alerts, this app is designed to streamline communication effectively. Quick Notice Clear Alert is your solution to keeping your customers informed and engaged. Whether it’s sharing order updates, announcing promotions, or delivering personalized alerts, this app is designed to streamline communication effectively. more Real-Time Alerts: Ensure customers never miss an important update. Fully Customizable: Tailor the appearance and content to match your store's bran Seamless Integration: Works effortlessly with your Shopify store. Boost Trust & Loyalty: Transparent communication builds lasting relationships. Easy Setup – Get started in minutes without technical expertise.
Quick View maker app allows users to view products without opening the product page quickly Quick View Maker app provides the user quick access to the product information with smooth animation. This step saves time and gives a faster and much more intuitive browsing experience. Quick View is essential feature for online stores. The more you can show your product details to your customers, the more conversions you will get. When a customer searches for products on a store, they want the process to be fast. They want to explore the maximum number of products in the shortest possible time Quick View Maker app provides the user quick access to the product information with smooth animation. This step saves time and gives a faster and much more intuitive browsing experience. Quick View is essential feature for online stores. The more you can show your product details to your customers, the more conversions you will get. When a customer searches for products on a store, they want the process to be fast. They want to explore the maximum number of products in the shortest possible time more Quick look at products without opening the product page and quickly add to cart Highly adaptable view for all screen resolutions, laptops or mobile devices Fully customizable quick-view and pop-up button design, you can easily customize Trust badges and upload trust badges, Stunning 15 different popup effects Color Swatch Option, Quick button settings, Customization quick view content
Create targeted announcement bars, countdowns, and free shipping offers. Launch in minutes. Quicky helps merchants promote offers and important updates without editing theme code. Create announcement, countdown, free shipping, coupon, email signup, cookie consent, and multi-message bars from one editor. Customize each design for desktop and mobile, schedule campaigns, localize messages, and target shoppers by page, device, location, domain, or market. Use analytics and A/B testing to understand which messages perform best. Quicky helps merchants promote offers and important updates without editing theme code. Create announcement, countdown, free shipping, coupon, email signup, cookie consent, and multi-message bars from one editor. Customize each design for desktop and mobile, schedule campaigns, localize messages, and target shoppers by page, device, location, domain, or market. Use analytics and A/B testing to understand which messages perform best. more Create announcement, countdown, free shipping, coupon, and signup bars Target campaigns by page, device, country, domain, and market Schedule banners and localize messages for different audiences Run multi-announcement sliders and multiple active campaigns Track results and compare variants with analytics and A/B testing
Quiz app: Grow store sales and customer AOV with AI-powered product quizzes Create a product recommendation quiz, such as a skin quiz or skincare quiz, to personalize shopping sessions and boost AOV. Use AI results to build your product finder quiz results in minutes. Describe what to recommend and AI builds the results for you. Deploy the AI Shopping Assistant for guided selling. Capture emails, build a better quiz app funnel through logic branching, and optimize performance with analytics and A/B testing. Easily migrate from Octane AI, Typeform, RevenuHunt, Quizell. Create a product recommendation quiz, such as a skin quiz or skincare quiz, to personalize shopping sessions and boost AOV. Use AI results to build your product finder quiz results in minutes. Describe what to recommend and AI builds the results for you. Deploy the AI Shopping Assistant for guided selling. Capture emails, build a better quiz app funnel through logic branching, and optimize performance with analytics and A/B testing. Easily migrate from Octane AI, Typeform, RevenuHunt, Quizell. more AI results: Describe your recommendations in plain language. AI Shopping Assistant helps customers find products and upsells Personalized shopping quiz with logic branching and customization Optimize product quiz conversion and AOV via analytics and A/B testing Easy migration from Octane AI, Typeform, RevenuHunt, Quizell, Quizify, & Lantern
Create AI product recommendation quizzes and product finders. Capture leads and grow sales. Quizell helps Shopify merchants create AI-powered product recommendation quizzes, product finders, and lead generation funnels. Build personalized shopping quizzes without coding, recommend products based on customer answers, and capture valuable leads. Create quizzes with AI, customize designs, and track performance with built-in analytics. Looking for an alternative to Octane AI, RevenueHunt, Quiz Kit, Lantern, or Quizify? Build your next product quiz with Quizell. Add quizzes to your store. Quizell helps Shopify merchants create AI-powered product recommendation quizzes, product finders, and lead generation funnels. Build personalized shopping quizzes without coding, recommend products based on customer answers, and capture valuable leads. Create quizzes with AI, customize designs, and track performance with built-in analytics. Looking for an alternative to Octane AI, RevenueHunt, Quiz Kit, Lantern, or Quizify? Build your next product quiz with Quizell. Add quizzes to your store. more Create AI-powered product quizzes and personalized funnels with no coding Recommend the right products to shoppers based on their quiz answers Guide shoppers with an AI shopping assistant for personalized product discovery Capture leads, collect customer preferences, and grow your email list Track quiz performance and connect customer data to your marketing tools
Create product recommendation Quiz. Collect leads and increase revenue through personalized results. Quizify is a web-powered quiz builder that allows e-commerce stores to deliver personalized product recommendations to their customers. Often, customers leave the website without a purchase because they cannot settle on the right product. Online shoppers need guidance in finding what they want, just like in real shops. With Quizify, you can ask questions, analyze their responses, and recommends the right products for them. Understand customers’ needs and create higher ROI marketing campaigns. Quizify is a web-powered quiz builder that allows e-commerce stores to deliver personalized product recommendations to their customers. Often, customers leave the website without a purchase because they cannot settle on the right product. Online shoppers need guidance in finding what they want, just like in real shops. With Quizify, you can ask questions, analyze their responses, and recommends the right products for them. Understand customers’ needs and create higher ROI marketing campaigns. more Easy to use, super user friendly Quiz builder design! Attractive quiz templates. Increase sales & decrease returns by finding right product your customers need. Direct, Tag, Score and Type based product recommendation to cover all your needs Conditional logic - Automatically jump, show, or hide questions based on answers Powerful analytics and actionable insights to target customer with accurate data
Convert more with tailored product recommendation quizzes powered by AI, surveys and giveaways. Turn browsers into buyers with interactive quizzes that offer prizes and personalized product matches. Create compelling giveaway contests in minutes with our drag-and-drop quiz builder. Merchants can easily set up product-matching quizzes that reward participation with special offers, discounts, or free products. Perfect for beauty fit quizzes, style assessments, and product discovery contests. Boost engagement, capture leads, and increase conversions while gathering valuable customer insights. Turn browsers into buyers with interactive quizzes that offer prizes and personalized product matches. Create compelling giveaway contests in minutes with our drag-and-drop quiz builder. Merchants can easily set up product-matching quizzes that reward participation with special offers, discounts, or free products. Perfect for beauty fit quizzes, style assessments, and product discovery contests. Boost engagement, capture leads, and increase conversions while gathering valuable customer insights. more Create engaging giveaway quizzes with drag-and-drop simplicity Drive higher engagement with customizable rewards, discounts, and giveaways Seamlessly integrate with your existing store design and product catalog
AI product recommendation quiz builder that boost sales & conversions QuizShop helps merchants guide store visitors to the exact products they need through interactive quizzes. Build custom product finders, skincare quizzes, style guides, and personalized gift finders without writing code. Collect valuable zero-party data and capture email or SMS leads with every response. Boost conversion rates using built-in A/B testing, AI translations, custom CSS, and seamless marketing integrations with Klaviyo, Omnisend, and Mailchimp. QuizShop helps merchants guide store visitors to the exact products they need through interactive quizzes. Build custom product finders, skincare quizzes, style guides, and personalized gift finders without writing code. Collect valuable zero-party data and capture email or SMS leads with every response. Boost conversion rates using built-in A/B testing, AI translations, custom CSS, and seamless marketing integrations with Klaviyo, Omnisend, and Mailchimp. more Launch in minutes: No-code, drag-and-drop AI quiz builder. Boost sales: guide shoppers to the right product with a shop quiz that converts. Collect zero-party data: turn quiz responses into segments and email/SMS leads. Go global instantly: Automatically translate your quizzes with AI. Match your branding: Fully customize the quiz design, layout, and CSS.
Boost your (B2B) store sales by adding a beautiful quote request experience for your customers. Enhance your (B2B) store experience with Quotify. Empower customers to request a quotes for any product, perfectly fitting your business model. Streamline your quote process with a tailored flow, collect essential customer information, and send AI personalized proposals. Utilize Google Analytics for insightful quote funnel optimization and integrate Zapier for efficient automation. Upgrade your b2b wholesale / b2b quote strategy with Quotify! Capture every B2B lead with our quote form. Enhance your (B2B) store experience with Quotify. Empower customers to request a quotes for any product, perfectly fitting your business model. Streamline your quote process with a tailored flow, collect essential customer information, and send AI personalized proposals. Utilize Google Analytics for insightful quote funnel optimization and integrate Zapier for efficient automation. Upgrade your b2b wholesale / b2b quote strategy with Quotify! Capture every B2B lead with our quote form. more Unlimited quote requests to never miss a chance to close the deal Build your request quote form to get the information you need from your customer Quotify can be translated in your preferred languages with just a few clicks Send proposals to customers and automatically convert to orders when accepted Allow customers to browse and add products directly to their quote request
Prevent customers from checking out until they agree to your terms and conditions. Add a T&C checkbox to the cart in 1 click. Customers are required to agree to the terms to checkout. Cart checkbox lets you to add a refund policy, shipping policy, terms at checkout, agree box, age verify, and request consent for the general conditions of sale. Accept terms of acknowledgment & create a checkout terms and TC terms and conditions box, a required checkbox/ mandatory checkbox at checkout. Terms box, Consent Checkbox Check Box Withdraw Order, EU Compliance, EU Directive 2023/2673 Add a T&C checkbox to the cart in 1 click. Customers are required to agree to the terms to checkout. Cart checkbox lets you to add a refund policy, shipping policy, terms at checkout, agree box, age verify, and request consent for the general conditions of sale. Accept terms of acknowledgment & create a checkout terms and TC terms and conditions box, a required checkbox/ mandatory checkbox at checkout. Terms box, Consent Checkbox Check Box Withdraw Order, EU Compliance, EU Directive 2023/2673 more Adds a check box to cart for agreement, TOS, cart terms, EULA, and return policy Checkout checkbox assistant works with dynamic checkout: PayPal, Shop Pay + Logs date & time when the I agree to terms checkbox is checked before checkout Terms and Conditions box: terms of service, privacy policy, policies, contracts. Ensures security & privacy and compliance with age check and agree terms check
AI search bar and product filters live in minutes, no code, no theme edits Supercharge your store’s search and filters—without breaking your theme or slowing page speed. Build any filter: price, brand, color, size, metafields, tag. Turn the tiny magnifying-glass widget into an always-visible AI search bar with typo tolerance, predictive recommendations, and semantic understanding. Then fine-tune results with product boost, and smart synonym management so shoppers always see the best of your catalog. Faster search. Better filters. Cleaner navigation. Higher conversions. Supercharge your store’s search and filters—without breaking your theme or slowing page speed. Build any filter: price, brand, color, size, metafields, tag. Turn the tiny magnifying-glass widget into an always-visible AI search bar with typo tolerance, predictive recommendations, and semantic understanding. Then fine-tune results with product boost, and smart synonym management so shoppers always see the best of your catalog. Faster search. Better filters. Cleaner navigation. Higher conversions. more AI Search Bar: typo-tolerant, predictive instant search results with SKU search Always-Visible Search Bar: Replace the search icon to boost engagement & sales Product filter & collection filters: tag filters, metafield filters, filter menu Product merchandising: pin, boost, demote, or hide to spotlight bestsellers Scales to 1M+ products: fast, no slowdown, works with any theme - rapidsearch
Raveo helps you to display video reviews and your tiktok videos in a tiktok like feed Raveo helps you to easily include your TikTok videos or the videos by your customers in your online store easily.You can easily create a TikTok video gallery and embed it in your store. Your customers can view and see products related to this video and increase the trust of your customers. Raveo helps you to easily include your TikTok videos or the videos by your customers in your online store easily.You can easily create a TikTok video gallery and embed it in your store. Your customers can view and see products related to this video and increase the trust of your customers. more Import Tiktok videos Tag products in the video Extremely fast & responsive in all screens
The only Search & Discovery app powered by Google Product search and discovery is one of the most important website experiences, but it can be very difficult. Google's AI Commerce Search is an enterprise solution that increases conversions and reduces search abandonment without needing to become an expert in machine learning or AI. Retail Cloud Connect by Nimstrata, a certified Google Cloud partner, syncs your Shopify catalog with Google Cloud and returns world-class AI-powered search, browse, and recommendations on your storefront in minutes. Product search and discovery is one of the most important website experiences, but it can be very difficult. Google's AI Commerce Search is an enterprise solution that increases conversions and reduces search abandonment without needing to become an expert in machine learning or AI. Retail Cloud Connect by Nimstrata, a certified Google Cloud partner, syncs your Shopify catalog with Google Cloud and returns world-class AI-powered search, browse, and recommendations on your storefront in minutes. more Enable all Google Cloud AI Commerce Search solutions with one app Maintain full control of your data and merchandising settings in Google Cloud Simplify merchandising efforts by adding AI browsing to your collection pages Install quickly on your existing Shopify Online Store 2.0 themes with App Blocks Leverage pre-built CSS classes for easy customization to match your branding
Allow customers make order edits themselves to change address, cancel orders, edit cart items, etc Improve your post purchase customer experience by allowing them to edit orders right from the Thank You and Order Status pages. You have full control over what order editing you want to allow like address edits, replacing products, editing cart items and order cancellation. Recheck also helps you create post purchase upsell offers which can be shown on these pages and in emails to further increase your AOV. Recheck also works out of the box with any 3PL / warehouse management software. Improve your post purchase customer experience by allowing them to edit orders right from the Thank You and Order Status pages. You have full control over what order editing you want to allow like address edits, replacing products, editing cart items and order cancellation. Recheck also helps you create post purchase upsell offers which can be shown on these pages and in emails to further increase your AOV. Recheck also works out of the box with any 3PL / warehouse management software. more Let customers edit shipping address, change variant, products, shipping method Control the order editing duration & what your customers can edit in their order Set up post purchase upsell offers on the Thank You and Order Status pages. Edit orders to allow size / variant change and quick swap with price adjustment. Shopify Flow integration to enable complex order editing and marketing flows.
Add smart related products to your store. They match your theme, improve navigation and boost sales. Help your customers find what they are looking for and make them more likely to buy from you with smarter related products that are easy to install, fit your styles and significantly outperform themes-provided ones. Our app combines sales data and dozens of attributes to automatically show items that make sense to your customers and have the maximum effect on your conversions. It can also be fine-tuned to your specific needs. Check the impact on your sales with detailed conversion tracking. Help your customers find what they are looking for and make them more likely to buy from you with smarter related products that are easy to install, fit your styles and significantly outperform themes-provided ones. Our app combines sales data and dozens of attributes to automatically show items that make sense to your customers and have the maximum effect on your conversions. It can also be fine-tuned to your specific needs. Check the impact on your sales with detailed conversion tracking. more Add related products sections to your store directly from the theme editor. Customize the look, manually fine-tune the logic, or let us do it for you. Check the impact on your sales with detailed reporting and conversion data.
Show visually similar product recommendations. No tagging, no code, no merchandising required. RecoMelon replaces generic product carousels with intelligent AI enhanced recommendations based on visual similarity, shared attributes and complementary purposes. It suggests look-alike or visually complementary items and can exclude products with unwanted attributes like sleeve type, design patterns or fabric. No manual tagging is needed, and you can add the galleries without custom theme work. Start with a $1/day trial for the first 30 days. RecoMelon replaces generic product carousels with intelligent AI enhanced recommendations based on visual similarity, shared attributes and complementary purposes. It suggests look-alike or visually complementary items and can exclude products with unwanted attributes like sleeve type, design patterns or fabric. No manual tagging is needed, and you can add the galleries without custom theme work. Start with a $1/day trial for the first 30 days. more Visual AI Matches- Stop random recommendations. Suggest visually coherent items. Dealbreaker Filters- Shoppers can zone in on product attributes they care about. Smart PDP Embeds- Install style-matched recommendations with theme app blocks. Customisation- Control layout, filters & style to match your storefront design. Real-Time Analytics- Track recommendations, clicks & orders in one dashboard.
Quiz app to boost sales, grow your email list, and turn shoppers into buyers with product quizzes. Quiz Builder lets you create a personalized product recommendation quiz to help each customer find their ideal product. Turn product finder quizzes into your 24/7 online sales assistant. Whether it's a skin quiz(skincare quiz), style quiz, gift quiz, personality quiz, scored quiz, hair quiz, vitamin quiz, pet quiz or questionnaire, your customers deserve a personalized shopping journey. Product discovery quizzes are the best way to increase sales and get insights about your target market. Quiz Builder lets you create a personalized product recommendation quiz to help each customer find their ideal product. Turn product finder quizzes into your 24/7 online sales assistant. Whether it's a skin quiz(skincare quiz), style quiz, gift quiz, personality quiz, scored quiz, hair quiz, vitamin quiz, pet quiz or questionnaire, your customers deserve a personalized shopping journey. Product discovery quizzes are the best way to increase sales and get insights about your target market. more Build a product quiz, quiz funnel, and pop up quiz for your e-commerce shop. Style your quiz to match your store’s look— colors, fonts, images, and more. Use Logic Jump for dynamic paths and a Point System for custom recommendations. Create a personality test and questionnaire with custom result pages in minutes. 5 publish type: Inline Quiz, Popup Quiz, Quiz on Button Click, Separate Page etc
Show Related Products on any product , visitors always search for different colors and similar style Relatify helps merchants display related and featured products throughout their online store. The app can recommend products based on shared collections, product types, tags, or vendors, helping shoppers discover similar items while browsing. Merchants can also create New Arrivals, Trending Products, and Featured Products sliders or grids, place them on product, collection, home, blog, and cart pages, and customize titles, colors, fonts, and products per row. Relatify helps merchants display related and featured products throughout their online store. The app can recommend products based on shared collections, product types, tags, or vendors, helping shoppers discover similar items while browsing. Merchants can also create New Arrivals, Trending Products, and Featured Products sliders or grids, place them on product, collection, home, blog, and cart pages, and customize titles, colors, fonts, and products per row. more Related Products app can show Products from same collections , type , tags . The app checks the tags of current product and fetches the Products by tags New Features : Added new arrivals , trending products , hot products feature
Create a 1-Click COD order form with Upsells, Downsells & Offers to increase conversion rate and AOV With Releasit, customers can order instantly using a 1-Click COD form as a popup or advanced Cash on Delivery without Shopify Checkout. Build customizable COD forms with Upsells, Downsells, and Quantity Offers to increase AOV. Reduce fake orders with OTP phone verification (SMS/WhatsApp). Track events with Facebook, TikTok, Google, Pinterest & Snapchat. Sync orders to Google Sheets. Run A/B Tests on 1-Click Upsells to compare variants and performance. Multi-currency support via Shopify Markets. With Releasit, customers can order instantly using a 1-Click COD form as a popup or advanced Cash on Delivery without Shopify Checkout. Build customizable COD forms with Upsells, Downsells, and Quantity Offers to increase AOV. Reduce fake orders with OTP phone verification (SMS/WhatsApp). Track events with Facebook, TikTok, Google, Pinterest & Snapchat. Sync orders to Google Sheets. Run A/B Tests on 1-Click Upsells to compare variants and performance. Multi-currency support via Shopify Markets. more Fully customizable COD order form & layout (Popup/Embedded) with multi-currency Upsells (Pre/Post Purchase, One-Tick), Downsells, Quantity Offers & A/B Testing Track events automatically with Facebook, TikTok, Google, Pinterest, Snapchat Use Google Sheets, Google Autocomplete, discounts & abandoned checkouts recovery Phone verify with OTP, limit postal codes, block IPs & confirm via SMS/WhatsApp
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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.