Custom Product Options for Cakes, Flowers, Gifts, Chocolates, Gift Baskets, Weddings & More Create custom product options for cakes, flowers, gifts, chocolates, gift baskets, weddings and more. Add personalized cake inscriptions, flower bouquet choices, gift messages, premium add-ons, and seasonal options. Ideal for bakeries, florists, and gift stores, our app helps you upsell with ease. Elevate every order — from wedding cakes to anniversary flowers — into a unique, memorable shopping experience for your customers. Create custom product options for cakes, flowers, gifts, chocolates, gift baskets, weddings and more. Add personalized cake inscriptions, flower bouquet choices, gift messages, premium add-ons, and seasonal options. Ideal for bakeries, florists, and gift stores, our app helps you upsell with ease. Elevate every order — from wedding cakes to anniversary flowers — into a unique, memorable shopping experience for your customers. more Cake & Bouquet Customization: Flavors, sizes, colors, inscriptions & styles Premium Add-on Pricing: Automatic charges for luxury upgrades and services Dynamic Style Previews: Product images change with customer color selections Personalized Gift Notes: Custom messages for celebrations and special occasions Smart Option Rules: Display relevant choices based on product selections
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 AppsAdd Unlimited Custom Product Options with Live Preview. A Visual Personalizer to boost sales Allow your customers to personalize and customize your product with images & color swatches, dropdown menus, buttons, text & monogram inputs, custom fonts & color selections, upload fields, and more. Use Conditional logic & Dynamic Pricing to create a complete product-building experience. Offer live customization, increase customer engagement, and simplify custom orders. Allow your customers to personalize and customize your product with images & color swatches, dropdown menus, buttons, text & monogram inputs, custom fonts & color selections, upload fields, and more. Use Conditional logic & Dynamic Pricing to create a complete product-building experience. Offer live customization, increase customer engagement, and simplify custom orders. more Add Unlimited Product Options & Variant Options Let your customers see a Live Preview of the product directly in store Use Conditional logic to show & hide product options based on user selection Make Price Increases depending on the user selection. Offer 'Build Your Own Product' Experience for Multi-component custom products
The Multi Page Responsive Slider guarantees sliders that are responsive and always informative. Sliders are a fantastic way to engage your users by displaying an array of content quickly and easily. No matter what you need to showcase - be it pictures from a presentation or different topics on a website - sliders make the perfect accessory! Sliders do not only provide people with easy access to information, but they can also help increase conversions. After all, there's no better sales tactic than presenting your services or products in an attractive, rotating digital photo album! Sliders are a fantastic way to engage your users by displaying an array of content quickly and easily. No matter what you need to showcase - be it pictures from a presentation or different topics on a website - sliders make the perfect accessory! Sliders do not only provide people with easy access to information, but they can also help increase conversions. After all, there's no better sales tactic than presenting your services or products in an attractive, rotating digital photo album! more Easy to search and filter categories and items. Admin can create one or more sliders for either a single page or multiple pages. Admin can have the option to set slider style differently for each slider. Responsive (Mobile / Tablet Friendly) Sliders. Slider automatically creates a shortcode that Admin can paste into any location.
Increase user engagement & revenue with the help of the app's Broadcast Bar & Shipping Bar Features! With Broadcast Bar + Shipping Bar, captivate your visitors and elevate your online presence! Share exciting news, events, and coupons with customers through the visually appealing Broadcast Bar that you can customize to match your site's branding. The new Shipping bar feature allows you to set cart goals for your customers and encourage them to add more items to their cart. Plus manage and customize the app with ease using its intuitive interface. With Broadcast Bar + Shipping Bar, captivate your visitors and elevate your online presence! Share exciting news, events, and coupons with customers through the visually appealing Broadcast Bar that you can customize to match your site's branding. The new Shipping bar feature allows you to set cart goals for your customers and encourage them to add more items to their cart. Plus manage and customize the app with ease using its intuitive interface. more Easily create an engaging and interactive news experience for your visitors. Keep viewers engaged with exciting slide transitions on the Broadcast Bar. Upsell effortlessly with the shipping bar feature. Display news boxes side-by-side or individually for maximum impact. Easily customize free shipping bar colors & settings from the app backend.
With Zestard Gift Wrap, you can be sure that your gifts will stand out from the rest! Regardless of the occasion, the app provides you with a variety of wrapping options and custom messages to make your gift one-of-a-kind. The sleek, easy-to-use gift wrap widget ensures customers won't be confused when they try it out. Gift wrapping is one of those features that can really set your store apart from the competition. It shows that you care about your customers and are willing to go the extra mile to make their shopping experience as convenient and enjoyable as possible. Regardless of the occasion, the app provides you with a variety of wrapping options and custom messages to make your gift one-of-a-kind. The sleek, easy-to-use gift wrap widget ensures customers won't be confused when they try it out. Gift wrapping is one of those features that can really set your store apart from the competition. It shows that you care about your customers and are willing to go the extra mile to make their shopping experience as convenient and enjoyable as possible. more Simplify the gifting process by adding Gift Wrap to Cart Page / Product Page. Admin can manage gift wrap settings & wrapping options easily from one place. The widget has a very compact look & a sleek interface, easy to use for buyers. The Short code is available to paste in the dashboard with full instructions. The app will inherit the look and feel of the theme.
Help your customers to buy your most popular products of all time! Popular Products on Your Store lets you display the image slider, making it easy for customers to add them to their cart with just one click. This app is easy to install and configure. The app also keeps track of your most popular products. You're able to loop or auto play the images and control the border, colors, and other styling aspects. Customers can easily add desired items to their cart with just one click by using the "Add to Cart" button on each product and from the Cart Page too. Popular Products on Your Store lets you display the image slider, making it easy for customers to add them to their cart with just one click. This app is easy to install and configure. The app also keeps track of your most popular products. You're able to loop or auto play the images and control the border, colors, and other styling aspects. Customers can easily add desired items to their cart with just one click by using the "Add to Cart" button on each product and from the Cart Page too. more Allows customers to navigate through the most popular products in a slider view. Track Most Viewed & Popular Products with the help of graphical reports. It will help customers to find the most viewed and famous products. Choose whether to show the slider on other page / popup for product description. You can choose whether to have the image slider autoplay or loop continuously.
Zestard Product Matrix makes it easy to order multiple quantities of products at once / bulk order. Zestard Product Matrix is especially useful for wholesalers and B2B (Business To Business). It allows ordering multiple quantities of products at once, even when there are multiple product variants, it displays product table (matrix) on the page in such a way that it becomes very easy to order multiple quantities of a product with different variants. The app allows admin to customize the Matrix view to match with their brand and allows to manage all settings per product from the app back end. Zestard Product Matrix is especially useful for wholesalers and B2B (Business To Business). It allows ordering multiple quantities of products at once, even when there are multiple product variants, it displays product table (matrix) on the page in such a way that it becomes very easy to order multiple quantities of a product with different variants. The app allows admin to customize the Matrix view to match with their brand and allows to manage all settings per product from the app back end. more Buyers can compare various product variants side-by-side on the product page. Customers can order multiple quantities at once / bulk order. Manage quantity & choose whether to allow out of stock products to order or not. Manage minimum quantity validation on the Product & Cart Page per product. Price management/show default price / individual price for each product variant.
Promotion Popup: Easily set up a nice discount pop ups in minutes with no technical requirements. Snake Promotion Popup (Discount pop ups, Email Sign Up, Newsletter Pop Up, Email Pop Ups, Countdown timer popup, coupon) is a solution for any store to promo your sales. With a wide range of popup types, conditions/display option, and events (Basic Popup, Email popup, Countdown popup or Image Popup). Snake Promotion Popup helps you create high converting, promotional and informative popups, increase conversion rates and boost sales while reaching your marketing goals. Snake Promotion Popup (Discount pop ups, Email Sign Up, Newsletter Pop Up, Email Pop Ups, Countdown timer popup, coupon) is a solution for any store to promo your sales. With a wide range of popup types, conditions/display option, and events (Basic Popup, Email popup, Countdown popup or Image Popup). Snake Promotion Popup helps you create high converting, promotional and informative popups, increase conversion rates and boost sales while reaching your marketing goals. more Easily set up a nice discount pop ups in minutes with no technical requirements Countdown creates urgency and provides discount codes to help increase sales Helps collect email lists of potential customers to help you easily promotions Display options. Export subscribers. Auto response to subscribe. Shopify customer sync. Email integration (Mailchimp, Klaviyo, Omnisend)
Create Smarter Sales Funnels, Landing Pages & Product Pages — No Designer Or Developer Required Build your next winning campaign faster with Zipify Pages. It's packed with AI-powered features and marketing templates built by store operators, many battle-tested on our own store. Customize your Shopify product pages, blogs, and homepages, set up bundles to boost conversion rates and capture lost revenue. Zipify Pages is fully optimized for mobile with built-in split testing to maximize results. Get everything you need to launch better offers, convert more leads, and make more sales! Build your next winning campaign faster with Zipify Pages. It's packed with AI-powered features and marketing templates built by store operators, many battle-tested on our own store. Customize your Shopify product pages, blogs, and homepages, set up bundles to boost conversion rates and capture lost revenue. Zipify Pages is fully optimized for mobile with built-in split testing to maximize results. Get everything you need to launch better offers, convert more leads, and make more sales! more Build product, home, landing pages, collections & more Direct-Response Templates: Proven templates, battle-tested on our own store Global Designs: Edit every page at once with blocks & styles that sync instantly Universal Product Pages: Publish one product page for multiple SKUs to save time Legendary Support: Get help from real ecom experts who run stores at scale
Sell more with Fast Checkout, Always Visible Sticky Bar & Sticky Add To Cart button Increase your sales with always visible sticky add to cart bar, making it easy for your customers to purchase. Skip the cart page and Send your customers straight to checkout and reduce abandoned carts. Mobile awesome design that fits with any mobile device. Integration with multiple slide carts, slide animation, tracks all click events to understand how much value is generated by the app. Store-specific customizations to perfectly fit your store. Full integration with Dawn and Online store 2. Increase your sales with always visible sticky add to cart bar, making it easy for your customers to purchase. Skip the cart page and Send your customers straight to checkout and reduce abandoned carts. Mobile awesome design that fits with any mobile device. Integration with multiple slide carts, slide animation, tracks all click events to understand how much value is generated by the app. Store-specific customizations to perfectly fit your store. Full integration with Dawn and Online store 2. more Fast Checkout to send your customer straight to the checkout page with one click Always visible Sticky Add To Cart Button to make sure that you won't miss a sale Reduce cart abandonment rate and generate more sales Support Shopify Multi Currencies and all currency conversion apps Full Multi-Language Support including translations
Set up Volume Discounts, Quantity Breaks & Tiered Pricing with AI Bundles and Cross-Sell. Boost AOV with Volume Discounts and Quantity Breaks using automatic Tiered Pricing on products and variants. Create Bundles, Mix & Match, and Build a Box, then attach AI Cross Sell offers on product pages and in the cart drawer. Add BOGO, bulk discounts, and free shipping thresholds to drive bigger baskets. Works with latest themes and native cart for effortless setup. Optimized for fast install, multi‑currency, multi‑language, and Shopify Checkout. Boost AOV with Volume Discounts and Quantity Breaks using automatic Tiered Pricing on products and variants. Create Bundles, Mix & Match, and Build a Box, then attach AI Cross Sell offers on product pages and in the cart drawer. Add BOGO, bulk discounts, and free shipping thresholds to drive bigger baskets. Works with latest themes and native cart for effortless setup. Optimized for fast install, multi‑currency, multi‑language, and Shopify Checkout. more Volume Discounts & Quantity Breaks with Tiered Pricing AI Cross Sell on product pages and native cart drawer Bundles, Mix & Match, and Build a Box with discount rules BOGO, bulk discount tiers, and free shipping thresholds Multi-currency, multi-language, theme compatible, fast setup
Provide Great Customer and Stakeholder Services with Straightforward Multi-field and Reliable Forms 10 Different input options allowing personalized customer communication and services. Enable "Attach Image" to create easy return, refund and warranty requests. Capture lead contacts like email and phone number at a bottom of the landing page or product pages. Create complete application forms for potential hires, suppliers, retailers, partners and affiliates. Automate responses and track your email collection funnel with ease. Build a customer support ticket management system with our forms. 10 Different input options allowing personalized customer communication and services. Enable "Attach Image" to create easy return, refund and warranty requests. Capture lead contacts like email and phone number at a bottom of the landing page or product pages. Create complete application forms for potential hires, suppliers, retailers, partners and affiliates. Automate responses and track your email collection funnel with ease. Build a customer support ticket management system with our forms. more Add multiple choices, checkboxes, dropdown menus, file attachment, dates Collect detailed submissions in email with options to CC/BCC/choose departments Customize forms, submit buttons and automatic email reply with images and colors Build and activate multiple forms at once with various display rules and timings 24H in-app Chat support to assist with technical issues and email integration
Boost Your Sales With Flash Countdown Timer Take your sales strategy to the next level with the Flash Countdown Timer app. By creating a sense of Urgency, our app encourages customers to make Quick Purchasing decisions, helping you maximize sales during promotions and limited-time offers. Easy to set up and integrate with your store, the Flash Countdown Timer is designed to enhance the shopping experience and drive conversions. Don't miss out on the opportunity to increase your revenue—start using the Flash Countdown Timer today! Take your sales strategy to the next level with the Flash Countdown Timer app. By creating a sense of Urgency, our app encourages customers to make Quick Purchasing decisions, helping you maximize sales during promotions and limited-time offers. Easy to set up and integrate with your store, the Flash Countdown Timer is designed to enhance the shopping experience and drive conversions. Don't miss out on the opportunity to increase your revenue—start using the Flash Countdown Timer today! more Increase Sales: By setting an announcement bar timer (top bar or bottom). Set Any Schedule: Daily recurring, fixed minute or to-date Localization: Set geolocation to localize countdown timers Customization: Customize text, colors, type, placements
Keep users engaged on your site by displaying related products slider on the blog page & vise-versa. The app enables you to easily customize your blog posts to display relevant products from your store & relevant blogs on products. This not only helps improve your site's SEO and internal linking, but also makes it quicker and easier for customers to find the products they're looking for. The app is a great way to keep your readers engaged and increase your chances of converting them into customers, boosting conversions by providing relevant slider content based on an existing blog or products. The app enables you to easily customize your blog posts to display relevant products from your store & relevant blogs on products. This not only helps improve your site's SEO and internal linking, but also makes it quicker and easier for customers to find the products they're looking for. The app is a great way to keep your readers engaged and increase your chances of converting them into customers, boosting conversions by providing relevant slider content based on an existing blog or products. more Help your readers find the perfect product they're looking for. Cultivate trust with buyers by only recommending products that you believe in. Easily increase your revenue by displaying relevant products on your blog Pages. Caption your blog posts with ease, and make a better impression on visitors. Select the features you want from the Application settings to match your store.
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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.