T&C checkbox on the cart page, above checkout button, Login page, Register Page, and Contact Page. One click setup without any hassle! T&C checkbox will immediately appear above the checkout button. Purchasing at an online store is not without its risks, both for the buyer and the seller. You want to ensure that you make a potential customer accept your terms and conditions before buying a product from your store. That is where we come in. The policies that your customer needs to accept may include the European Union’s data privacy law, the General Data Protection Regulation (GDPR) One click setup without any hassle! T&C checkbox will immediately appear above the checkout button. Purchasing at an online store is not without its risks, both for the buyer and the seller. You want to ensure that you make a potential customer accept your terms and conditions before buying a product from your store. That is where we come in. The policies that your customer needs to accept may include the European Union’s data privacy law, the General Data Protection Regulation (GDPR) more Get the date and time the customer agreed to your T&C on additional notes. Show the T&C checkbox in customer account Login, Register page & Contact page. Inbuilt language translations support & set the T&C checkbox checked by default. Show the Terms Checkbox for all or specific countries & on specific products The app supports additional checkout buttons Ex. PayPal, GPay, Apple Pay, etc.
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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View Best Custom CSS AppsManage B2B pay on account, credit, discount, sign up forms, and wishlists in one place! Easily accept customer and b2b signs up enquiries: from here you can manage customers if they are pay on account, there credit limit, unique discounts and chase unpaid orders. We also offer a AI powered credit rating from your customer enquiries, this will help you figure out how much credit and discount you give your customers. Lastly we have a wishlist feature which works for customers and businesses. They can easily manage and order there wishlists, share wishlists and instant checkout. Easily accept customer and b2b signs up enquiries: from here you can manage customers if they are pay on account, there credit limit, unique discounts and chase unpaid orders. We also offer a AI powered credit rating from your customer enquiries, this will help you figure out how much credit and discount you give your customers. Lastly we have a wishlist feature which works for customers and businesses. They can easily manage and order there wishlists, share wishlists and instant checkout. more Create and receive B2B enquiries AI Powered credit rating for businesses Pay on account and credit limits; chase unpaid orders and get notified Bulk discounts for customers and B2B Wishlist widget: Theme & Account Portal; manage wishlists and see wishlist data
Get Access to a Multitude of App Blocks that can be used on any Theme. Theme Blocks Plus provides several app blocks that you can use in your O.S. 2.0 theme to create beautiful layouts. The app currently provides the following App Blocks and more will be implemented in the future: Hero Slider, Video, Map, Tabs, Spacer, Social Links, Page-Popup Button, Image Banners. The app blocks generated by the app are lightweight, meaning that they will have minimal impact on the loading speed of your pages. Theme Blocks Plus provides several app blocks that you can use in your O.S. 2.0 theme to create beautiful layouts. The app currently provides the following App Blocks and more will be implemented in the future: Hero Slider, Video, Map, Tabs, Spacer, Social Links, Page-Popup Button, Image Banners. The app blocks generated by the app are lightweight, meaning that they will have minimal impact on the loading speed of your pages. more No need to install many third-party apps for each functionality you need. App Blocks provided by the app are highly customizable. Lightweight. It doesn't overload your theme with external libraries and files. It loads lightning fast and is SEO-friendly. Responsive blocks and works with all modern browsers
GDPR/CCPA compliant cookie bar for European & other users. Fully customizable/translatable solution. TinyCookie is a one-click solution for European and other country GDPR/CCPA (& more) cookies bar compliance. Set up TinyCookie and display a professional-looking banner with a cookies consent form. The cookie banner appears for every new visitor and remains visible until they give their informed consent. Use banner customisation options to integrate it into your branding strategy. Translate cookie bar to different languages and pick locations where you want It to show! TinyCookie is a one-click solution for European and other country GDPR/CCPA (& more) cookies bar compliance. Set up TinyCookie and display a professional-looking banner with a cookies consent form. The cookie banner appears for every new visitor and remains visible until they give their informed consent. Use banner customisation options to integrate it into your branding strategy. Translate cookie bar to different languages and pick locations where you want It to show! more Fast one-click GDPR/CCPA cookie bar installation with preferences and rejection Full compliance with European ePrivacy directive and other countries compliance Link from banner to full cookies policy and terms & conditions pages Fully customize cookie bar translations, colours, preference options & blocks Facebook pixel, Google Consent v2 and Shopify privacy API integrations
Powerful scheduling app that lets you create multiple appointment types, customize your booking form Tipo Appointment Booking is a powerful scheduling app designed specifically for Shopify. Our app allows you to easily offer appointment bookings for a wide range of services and events such as retail shopping assistance, spa, hair salon, fashion styling, tutoring, consultations, etc. With customizable booking forms, support for multiple appointment types, and the ability to manage staff schedules and send automated appointment reminders.Tipo is easy appointment booking solution on Shopify Tipo Appointment Booking is a powerful scheduling app designed specifically for Shopify. Our app allows you to easily offer appointment bookings for a wide range of services and events such as retail shopping assistance, spa, hair salon, fashion styling, tutoring, consultations, etc. With customizable booking forms, support for multiple appointment types, and the ability to manage staff schedules and send automated appointment reminders.Tipo is easy appointment booking solution on Shopify more Booking Management - Track appointments with detailed booking information. Easy to sync to Google Calendar Custom booking form: day off, location, datetime, font, color, background, etc. Custom fields: Collect more details of your customer with extra fields Sends automated emails and text for reminders, confirmations, rescheduling, etc.
Maximize sales funnel with post-purchase upsells, custom thank you page & checkout upsell Boost your Shopify store's potential with our app, designed to enhance customer experience and maximize revenue. Add custom displays to your checkout and thank you pages to provide a personalized touch. Create effective upsell funnels seamlessly on both post-purchase and thank you pages. Our app ensures upselling opportunities are always available, prioritizing the thank you page for consistent performance and higher conversion rates. Turn every transaction into a growth opportunity with ease! Boost your Shopify store's potential with our app, designed to enhance customer experience and maximize revenue. Add custom displays to your checkout and thank you pages to provide a personalized touch. Create effective upsell funnels seamlessly on both post-purchase and thank you pages. Our app ensures upselling opportunities are always available, prioritizing the thank you page for consistent performance and higher conversion rates. Turn every transaction into a growth opportunity with ease! more Set up multiple post purchase upsell funnels with different customer segments Edit your thank you page to boost branding and drive product upsells seamlessly Enhance checkout (Plus only) with checkout editor for a user-friendly experience Multiple checkout blocks and thank-you page widgets to personalize your store Multiple post purchase survey question types: Feedback, Rating, Text, ...
Offer Free Gift with purchase, cart progress bar, auto add to cart, Buy X Get Y for cart upsell Tek Labs helps boost AOV with features like free gifts, cart upsell, discount volume, and upsell promotions. Free gifts are automatically added or removed from the cart based on your condition settings, help you launch new products, clear old inventory, and promote product samples. Cart upsell support rewards such as free shipping, order discounts or free gift to motivate customers to spend more. Lastly, the bundle product will be shown inside a pop-up when clicking the checkout or add button. Tek Labs helps boost AOV with features like free gifts, cart upsell, discount volume, and upsell promotions. Free gifts are automatically added or removed from the cart based on your condition settings, help you launch new products, clear old inventory, and promote product samples. Cart upsell support rewards such as free shipping, order discounts or free gift to motivate customers to spend more. Lastly, the bundle product will be shown inside a pop-up when clicking the checkout or add button. more Free Gifts with purchase/order qty/order value: buy x get y, buy one get one Cart upsell by cart progress bar with free gift, free shipping, order discount Auto add to cart and auto remove free gift or manually select gifts, rewards Volume discounts for different products with multiple conditions Customize free gift displays: gift icon style, text style, gift animation,...
Protect your store, earn trust and avoid chargebacks with an AI-based Terms and Conditions Checkbox. 'How to add terms and conditions in Shopify?' is a question we're getting asked a lot. Without clear consent, chargebacks and legal risks become real problems. TnC helps with that by adding a mandatory checkbox to your store, making sure customers agree to your policies before checkout. Whether it's a holiday promotion terms or GDPR age verification privacy policy, the checkbox helps you stay protected. One-click installation, works seamlessly with your theme, and builds trust where it matters. 'How to add terms and conditions in Shopify?' is a question we're getting asked a lot. Without clear consent, chargebacks and legal risks become real problems. TnC helps with that by adding a mandatory checkbox to your store, making sure customers agree to your policies before checkout. Whether it's a holiday promotion terms or GDPR age verification privacy policy, the checkbox helps you stay protected. One-click installation, works seamlessly with your theme, and builds trust where it matters. more Require consent for GDPR terms of service, privacy policy, policies and contract Show the checkbox for specific products & countries to meet legal requirements Logs the consent date & time of when the 'I agree to terms' checkbox was ticked Supports contact form, newsletter, login/sign up, footer menu PayPal & Apple Pay Translate the checkbox to multiple languages for multiple markets & geolocations
Display an "add to cart" buy bar to make it easy for shoppers to purchase from your product pages. If you’re looking to increase your sales and boost revenue, then your solution is Sticky Add to Cart, the app designed not only to increase your conversion rate but also to improve your customers' experience by simplifying the buying process. If you’re looking to increase your sales and boost revenue, then your solution is Sticky Add to Cart, the app designed not only to increase your conversion rate but also to improve your customers' experience by simplifying the buying process. more Display the add to cart buy bar across all of your product pages. Enable 1-click checkout for a faster checkout experience. Quantity Selector that adds multiple items and increases average order value. Fully customizable, no developer needed. Unlimited clicks. 100% compatible with Shopify's Online Store 2.0 themes with 24/7 premium support
TOTE allows shoppers to reserve fitting rooms with merchandise they select online. TOTE bridges the gap between the online and in-store shopping experience by focusing on your store’s most valuable—and personal—square footage: the fitting room. Research shows that the majority of in-store purchasing decisions are made in the fitting room and shoppers that make it there are much more likely to buy something. Your customers spend time browsing, scrolling and researching to find your products. Imagine what could happen if they could fill their fitting room with the next click. TOTE bridges the gap between the online and in-store shopping experience by focusing on your store’s most valuable—and personal—square footage: the fitting room. Research shows that the majority of in-store purchasing decisions are made in the fitting room and shoppers that make it there are much more likely to buy something. Your customers spend time browsing, scrolling and researching to find your products. Imagine what could happen if they could fill their fitting room with the next click. more Shoppers can add items to their Fitting Room to try on in-store. They choose the date & time to have those items waiting in a fitting room. Shoppers receive an email, text message confirmation, and a calendar invite. Saves merchant's time in coordinating and delivering great shopper experiences. TOTE connects the crucial moments between “I love that” to “I’ll take it”.
Vertical | Horizontal slider to compare Before & After images of your product Ultimate Before/After Widget provides you the option for adding the image for comparison for showing the before/after images for the products or services they provide. Directly shown as a section in the customize panel which makes it a perfect fit for Shopify 2.0 themes. It is fully customizable from theme editor and requires no coding skills. The app is ideal fit for any industry that wants to show before/after images of their products or services that will eventually uplift sales. Ultimate Before/After Widget provides you the option for adding the image for comparison for showing the before/after images for the products or services they provide. Directly shown as a section in the customize panel which makes it a perfect fit for Shopify 2.0 themes. It is fully customizable from theme editor and requires no coding skills. The app is ideal fit for any industry that wants to show before/after images of their products or services that will eventually uplift sales. more Compare two images. Vertical and Horizontal Before/After images view. Desktop & Mobile Compatible. Fully customizable.
Countdown Timer, Stock bar & timer, Social Proof, Cart reservation bar, Discount or Stock counter. Count down timer are extremely effective to generate scarcity to inspire visitors to purchase as soon as possible before a product becomes unavailable. Customize the look of your countdown timer by choosing from multiple styles and templates. Display immediately, after a set period of time, on a page’s bottom or top or below add to cart button. With Ultimate Scarcity Pro timer, you can develop and implement a wide range of scarcity building solutions with just a few clicks. Count down timer are extremely effective to generate scarcity to inspire visitors to purchase as soon as possible before a product becomes unavailable. Customize the look of your countdown timer by choosing from multiple styles and templates. Display immediately, after a set period of time, on a page’s bottom or top or below add to cart button. With Ultimate Scarcity Pro timer, you can develop and implement a wide range of scarcity building solutions with just a few clicks. more Countdown Timer - different types of countdown timer bar, Multiple templates. Stock bar & timer - Stock bar customization, Multiple font selection, etc. Social Proof - Display a widget on product detail page
Show a sticky add to cart button on every product page and allow customers to checkout instantly! Boost your conversion rates with a Sticky Add to Cart! Our app adds a floating Add to Cart button on every product page, regardless of screen size. This makes it easy for customers to select products & streamline the checkout process. With a built-in countdown timer, our app creates a sense of urgency and drives more "Buy Now" clicks. No coding needed - our app works instantly on any store theme, with just one click. Install Sticky Add to Cart now and streamline your checkout process today! Boost your conversion rates with a Sticky Add to Cart! Our app adds a floating Add to Cart button on every product page, regardless of screen size. This makes it easy for customers to select products & streamline the checkout process. With a built-in countdown timer, our app creates a sense of urgency and drives more "Buy Now" clicks. No coding needed - our app works instantly on any store theme, with just one click. Install Sticky Add to Cart now and streamline your checkout process today! more Send customers directly to checkout! Fast checkout process by skipping the cart! Sticky Add to Cart button is visible on all product pages with just one click Increase buying urgency with a custom countdown timer to match your brand Add to cart button is visible on all devices types & screen sizes at all times Our Sticky ATC app supports tracking pixels for better retargeting campaigns
Increase diamond sales + slash time spent sourcing with AI curation that connects to your jewelry! Give your customers the ability to complete their diamond ring, pendant, or earring purchase on your website, all on their own! Our patented AI curation technology makes it easy. Also, use your Unbridaled powered Shopify site in-store to sell engagement rings with curated diamond options and eliminate decision overwhelm. Instead of taking weeks to close a sale, help them find their ideal diamond in minutes! Give your customers the ability to complete their diamond ring, pendant, or earring purchase on your website, all on their own! Our patented AI curation technology makes it easy. Also, use your Unbridaled powered Shopify site in-store to sell engagement rings with curated diamond options and eliminate decision overwhelm. Instead of taking weeks to close a sale, help them find their ideal diamond in minutes! more Connect your jewelry to certified diamond inventory Offer shoppers natural and/or lab grown diamonds with videos + certs to compare Intelligent curation makes it easy for your clients to decide on a diamond Intelligent pricing maximizes your profits while keeping prices competitive Integrates seamlessly with your Shopify theme and branding
Highly customizable sliding cart drawer with upsells, progress bar, unlockable free gifts and more. Unicart replaces your default cart page with a highly customizable sliding cart drawer. It offers upsells, cross sells, a dynamic sales progress bar, spend tiers to unlock free items, multi language support and more. Unicart can be completely customized to allow for all types of custom features and custom designs. It supports different design templates and you can schedule publish them anytime (Best for sales days). Unicart is developer friendly and can be customised to meet every requirement. Unicart replaces your default cart page with a highly customizable sliding cart drawer. It offers upsells, cross sells, a dynamic sales progress bar, spend tiers to unlock free items, multi language support and more. Unicart can be completely customized to allow for all types of custom features and custom designs. It supports different design templates and you can schedule publish them anytime (Best for sales days). Unicart is developer friendly and can be customised to meet every requirement. more Cross-sell and upsell by showcasing relevant products based on items in the cart Sales progress bar to motivate customers to spend more to unlock special rewards Allow customer's to unlock free items in their cart at specific spend tiers Access to completely customize the cart to your exact design and function needs Supports subscriptions, integrates with apps like PageFly, BOLD, Shogun and more
Boost AOV with a Customizable Slide Cart, Smart Cross-Sells, Targeted Upsells and Gamification Unicorn is a powerful cart app designed to drive more revenue for your store. A suite of powerful upsell tools to optimise your store’s Order Value (AOV) and conversion rates. With built-in upsell, cross-sell, and reward features, Unicorn turns every cart interaction into an opportunity to delight customers and drive more sales. Built by ecommerce founders for ecommerce founders. Unicorn is a powerful cart app designed to drive more revenue for your store. A suite of powerful upsell tools to optimise your store’s Order Value (AOV) and conversion rates. With built-in upsell, cross-sell, and reward features, Unicorn turns every cart interaction into an opportunity to delight customers and drive more sales. Built by ecommerce founders for ecommerce founders. more Boost AOV with Targeted Upsells, Cross-sells, Upgrade to Subscription and more Increase Conversion: BOGO, Free Gifts and Stackable Discounts + Countdown timers Gamify Shopping with Tiered Rewards and Fully Customizable Progress Bars Create your own Shipping Protection Upsell as tick box or in the checkout button Easy to Fully Customize and Perfectly Match Your Brand. Aesthetic Looking Carts.
Upcart — custom slide cart with full design control to increase AOV and reduce cart abandonment Unlike basic cart drawer apps, Upcart turns your cart into a revenue-driving touchpoint with in-cart upsells, cross-sells, rewards, and add-ons—without redirecting shoppers or requiring multiple apps. Designed for fashion, food & beverage, beauty, and other DTC brands, Upcart matches your storefront and works seamlessly across desktop and mobile. Unlike basic cart drawer apps, Upcart turns your cart into a revenue-driving touchpoint with in-cart upsells, cross-sells, rewards, and add-ons—without redirecting shoppers or requiring multiple apps. Designed for fashion, food & beverage, beauty, and other DTC brands, Upcart matches your storefront and works seamlessly across desktop and mobile. more Increase AOV with in-cart upsells and cross-sells for frequently bought items Fully customize cart design with custom templates using HTML, CSS, and JSX Incentivize higher spend with rewards, progress bars, and free shipping goals Boost conversions with in-cart discounts and free gifts Reduce friction with a sticky slide cart that stays visible across your store
Set up a tax addon, dynamic surcharges, and a product surcharge. Easily add processing fees today. Our surcharge app helps you apply conditional fees, late fees, and automatic fees. Quickly add surcharge rules for a small order fee or one time fee. Manage checkout addons, dynamic addons, and free addons to collect an additional charge. Configure a payment surcharge, shipping surcharges, or a bottle deposit. Easily handle an order surcharge, rush fees, deposit fees, service fees, and checkout fees. Bill a membership fee, order & product fees, or a checkout surcharge. Our surcharge app helps you apply conditional fees, late fees, and automatic fees. Quickly add surcharge rules for a small order fee or one time fee. Manage checkout addons, dynamic addons, and free addons to collect an additional charge. Configure a payment surcharge, shipping surcharges, or a bottle deposit. Easily handle an order surcharge, rush fees, deposit fees, service fees, and checkout fees. Bill a membership fee, order & product fees, or a checkout surcharge. more Apply klarna fees, credit card fees, fees payment, or a payment method fee Set a fee rule for a flat fee, cart fee, percentage fee, or extra fee Extra fees manager for mandatory fees, tariff surcharge & extra charge Link price addons, deposits and fees directly to your orders and fees Add a fee, cash on delivery fee, surcharge fee, or fees and surcharges
Show sticky add to cart buttons on your product pages. This increases sales and reduces abandonment. Allow your customers to quickly add to cart and buy your products. Lengthy product info can make add to cart buttons hard to find. However, a sticky add to cart is always highly visible. So your customers can buy now, add to cart and checkout faster. Our one click install saves time by adding a sticky add to cart that seamlessly integrates into your store. Use our built in reporting to easily see your sales increases and use with your Google Analytics and Facebook Pixel. Allow your customers to quickly add to cart and buy your products. Lengthy product info can make add to cart buttons hard to find. However, a sticky add to cart is always highly visible. So your customers can buy now, add to cart and checkout faster. Our one click install saves time by adding a sticky add to cart that seamlessly integrates into your store. Use our built in reporting to easily see your sales increases and use with your Google Analytics and Facebook Pixel. more Automatically match your store theme with high converting styles. Use our button Animator to attract more attention and 'move' the button. Display at the top or bottom and customize text. Visible and responsive to your customers on mobile, desktop & tablet. Unlimited impressions and clicks included.
Automatically price your customers' multiple uploaded files, images with various conditions. With Upload Center, you can effortlessly offer custom products like personalized phone cases, t-shirts with unique designs, engraved jewelry, custom printed guitar picks, or DTF gang sheet. Our seamless file upload fields make it effortless for customers to bring their ideas to life, while our powerful features streamline your workflow and improves customer satisfaction. With Upload Center, you can effortlessly offer custom products like personalized phone cases, t-shirts with unique designs, engraved jewelry, custom printed guitar picks, or DTF gang sheet. Our seamless file upload fields make it effortless for customers to bring their ideas to life, while our powerful features streamline your workflow and improves customer satisfaction. more Fully customizable multiple upload fields with different conditions. Automatic price calculation based on height or inch square. (PNG & PDF support) Ability to upload multiple files and set the quantity per file. Restore uploaded files even if the product page is closed. Automatically rename the file according to a specified rule.e.g #1002_john_a.png
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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.