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Custom HTML Shopify Apps

Find top-rated Custom HTML tools for Shopify. Explore 20+ apps with detailed reviews, pricing information, and feature comparisons.

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Boost revenue and trust with branded order guarantee, free returns, and instant resolutions. Take control of delivery issues, returns, and exchanges through a fully branded platform built to reinforce customer confidence. Manage lost, damaged, or missing orders from your dashboard while maintaining ownership of post-purchase policies. Branded tracking, self-service issue intake, and a customer-facing returns portal reduce friction and strengthen customer relationships. Each guaranteed order plants one tree and unlocks a $5 charitable donation chosen by your customer. Take control of delivery issues, returns, and exchanges through a fully branded platform built to reinforce customer confidence. Manage lost, damaged, or missing orders from your dashboard while maintaining ownership of post-purchase policies. Branded tracking, self-service issue intake, and a customer-facing returns portal reduce friction and strengthen customer relationships. Each guaranteed order plants one tree and unlocks a $5 charitable donation chosen by your customer. more Brand-owned order Guarantee Centralized delivery issue management Free returns and automated exchanges Branded tracking and claim experiences Purpose-driven customer engagement options

5.0(Reviews)

Easy to use visual page editor to design blog posts, product pages, landing pages & theme sections Use our visual page editor for all page types including: blog posts, product pages, collection pages, home page and landing pages. Design using our out-of-the-box templates, or create something unique with our elements (sliders, video, countdown, product tabs & more). Save any creation as a snippet and reuse it for future designs. Make universal changes to your Shopify template pages with our theme sections editor. Use our visual page editor for all page types including: blog posts, product pages, collection pages, home page and landing pages. Design using our out-of-the-box templates, or create something unique with our elements (sliders, video, countdown, product tabs & more). Save any creation as a snippet and reuse it for future designs. Make universal changes to your Shopify template pages with our theme sections editor. more Shopify Plus Certified Import and optimize Shopify 2.0 pages & sections. Create rich product page and collection page experiences with a visual editor Build landing pages for ad campaigns and promotions Design new site pages like the homepage with organized layout control

4.8(Reviews)

Show matching products to help customers build complete looks and increase order value. BeUniq Shop The Look helps merchants increase sales by linking complementary products to a main product and creating complete looks. A customizable Shop the Look button appears on the product page, opening a sidebar drawer with matching products for quick browsing. Easily match your store's branding with flexible design settings while improving product discovery, boosting cross-sells, increasing average order value (AOV), and delivering a seamless shopping experience. BeUniq Shop The Look helps merchants increase sales by linking complementary products to a main product and creating complete looks. A customizable Shop the Look button appears on the product page, opening a sidebar drawer with matching products for quick browsing. Easily match your store's branding with flexible design settings while improving product discovery, boosting cross-sells, increasing average order value (AOV), and delivering a seamless shopping experience. more Display matching products to help shoppers discover complete looks and buy more Shop the Look as Button or Link. Easy step to relocate Shop The Look One click install & no coding skills required / 2.0 Compatible No theme files are changed and no liquid file is installed Desktop & Mobile compatible | Show as Link or Button which will open drawer

0.0(Reviews)

Product bundle builder for mix and match kits, BYOB, BOGO and upsells with inventory and fulfillment Create product bundles, kits, multipacks, BOGO offers, volume discounts and mix-and-match bundles with unlimited variants to increase AOV. Let customers build-your-own-bundle, build a box, or shop curated kits. Promote upsells, cross-sells and frequently bought together offers. AI suggests bundle types from order history and catalog. Launch fast with a no-code builder that's flexible for custom storefronts, POS and Headless. Single & multi-SKU inventory sync across 3PL, WMS, ERP & fulfillment. Create product bundles, kits, multipacks, BOGO offers, volume discounts and mix-and-match bundles with unlimited variants to increase AOV. Let customers build-your-own-bundle, build a box, or shop curated kits. Promote upsells, cross-sells and frequently bought together offers. AI suggests bundle types from order history and catalog. Launch fast with a no-code builder that's flexible for custom storefronts, POS and Headless. Single & multi-SKU inventory sync across 3PL, WMS, ERP & fulfillment. more Create product bundles, multipacks, and build your own bundle with 24/7 support. Let shoppers customize with infinite bundle options and variants. Sync inventory & connect bundles to 3PL, WMS, MCF, shipping, POS & upsell apps. Track bundle sales, conversion rates, and AOV with advanced analytics. Breakdown product bundles for easy order fulfillment & realtime inventory sync.

4.8(Reviews)

Display variants with "add to cart" buttons, for all products in collection pages With this app, you can offer your customers faster way of shopping. Customers can add their favourite product variant to the cart directly from your collections, without viewing the product page. For example, you can show your customer available sizes or colors for each product, directly in the home page, all collections, or search results. If you want just show your customers variants of all products in your collections, you can do it also without option to add it to cart. With this app, you can offer your customers faster way of shopping. Customers can add their favourite product variant to the cart directly from your collections, without viewing the product page. For example, you can show your customer available sizes or colors for each product, directly in the home page, all collections, or search results. If you want just show your customers variants of all products in your collections, you can do it also without option to add it to cart. more Show products variants with "add to cart" buttons in your collection pages Show products variants separately, or as variants combinations in one dropdown Show or hide unavailable (out of stock) combinations of variants Show quantity input and allow to choose quantity of products for customers Show variants of all products in your collections, without option to add to cart

5.0(Reviews)

Create AI-powered size charts, size guides and “Find my size” quizzes in minutes Build size charts, size guides and fit quizzes in minutes with SmartSize AI and our modular editor. Bulk import / export all your size charts. Upload an image or start from templates for men, women, lingerie, kids, and pets. Add multi-tabs, AI translations, unit conversion, and international sizing. Turn on “Find my size” a size recommender. Customers answer once and are remembered across products and future visits. Buttons appear in the right place automatically—or our team handles it for you. Build size charts, size guides and fit quizzes in minutes with SmartSize AI and our modular editor. Bulk import / export all your size charts. Upload an image or start from templates for men, women, lingerie, kids, and pets. Add multi-tabs, AI translations, unit conversion, and international sizing. Turn on “Find my size” a size recommender. Customers answer once and are remembered across products and future visits. Buttons appear in the right place automatically—or our team handles it for you. more Import/ export. AI size chart upload. Templates for adults, lingerie, kids, pets Find my size AI fit quiz with customer measurement memory across every product Multi-language size charts and size quiz in + 25 languages. AI translations Drag-and-drop modules, automatic or floating button placement on any theme International size mapping with dropdown and automatic cm/inch unit conversion

4.9(Reviews)

Boost your sales and AoV with personalized & smart product recommendations, bundles, and promotions. Improve sales with smart recommendations, product bundles, and promotions with Lucid. It's easy to use, fast, and customizable, allowing you to bring Amazon-like features to your store and upsell like a pro. Customize the designs to match your store aesthetics and easily add discounts to your product bundles and promoted products for flash sales. Plus, with support for localization, you can upsell across the world. Don't miss out on boosting your sales and offering a personalized experience. Improve sales with smart recommendations, product bundles, and promotions with Lucid. It's easy to use, fast, and customizable, allowing you to bring Amazon-like features to your store and upsell like a pro. Customize the designs to match your store aesthetics and easily add discounts to your product bundles and promoted products for flash sales. Plus, with support for localization, you can upsell across the world. Don't miss out on boosting your sales and offering a personalized experience. more Effortless Setup: Associate, Choose Type, Customize Design to Match Store Design Experience the Power of Variant Options-Controlled Recommendations and Bundles Product Recommendations: Related Products, Shop the Look & Trending Products Product Bundles: Frequently Bought Together, Complementary Products & Discounts Product Promotion: Product Advertising, Flash Sales, Deals & Discounts

5.0(Reviews)

Leverage cart upsell offers to encourage customers to buy more: discount products, BOGO & free gift. Create cart upsell offers like Buy One Get One, free gifts, and custom discounts! Show customers an upsell popup after they click "Add to Cart," encouraging quicker purchases. Use Shopify AI for automatic upsell recommendations or set them up manually. Easily choose products for upsells and set conditions for applying offers. Boost sales with targeted, attention-grabbing upsell offers! Create cart upsell offers like Buy One Get One, free gifts, and custom discounts! Show customers an upsell popup after they click "Add to Cart," encouraging quicker purchases. Use Shopify AI for automatic upsell recommendations or set them up manually. Easily choose products for upsells and set conditions for applying offers. Boost sales with targeted, attention-grabbing upsell offers! more All kinds of upsell ideas to implement, from BOGO to free gifts. Advanced real-time analytics. Track your upsell campaigns to optimize offers. Fully customizable design. Adjust the popup to match your store theme. Smart upsell suggestions based on Shopify AI algorithms. Easy to set up. Create offers in minutes and start selling more right away.

4.3(Reviews)

When the customer scrolls the page, Sticky ATC makes potential users pay attention to your products. Increase your revenue by having a smart sticky product bar, which will make potential customers pay attention to your products. Our Sticky Add To Cart app will know when the customer tends to scroll up & is looking to add product to the cart. It appears at just the right time, in the right place. This is for the ultimate convenience while still keeping customers focused on the main contents, like description, features…etc. you can modify everything you want to match your online store perfects. Increase your revenue by having a smart sticky product bar, which will make potential customers pay attention to your products. Our Sticky Add To Cart app will know when the customer tends to scroll up & is looking to add product to the cart. It appears at just the right time, in the right place. This is for the ultimate convenience while still keeping customers focused on the main contents, like description, features…etc. you can modify everything you want to match your online store perfects. more Modify everything you want to match your online store perfectly. Auto encloses to any themes, including the most popular themes on the market. Sticky Add to Cart button behavior can same as the default product add to cart Homepage and Support multi stores, currencies, and languages (Automatically) Fast CDN based performance + Integrate with google analytics

4.9(Reviews)

More Conversions w/ Sticky Add to Cart, Quick Buy Now Button, Cart Slider, Sticky Cart & Cart Upsell Maximize cart conversions on your Shopify store with STKY Sticky Add To Cart. Ensure Add to Cart is always visible, reducing cart abandonment. Countdown Timer urgency feature converts even more! Quick Buy Button enables swift orders directly on product pages. The Sticky Checkout Bar gives a cart overview, helping checkout. With our Ajax Slider Cart Drawer, even upsell & cross-sell additional products & increase AOV. Sticky Cart, Quick Buy, Buy Now Button & Add To Cart Bar maximize Shopify sales! Maximize cart conversions on your Shopify store with STKY Sticky Add To Cart. Ensure Add to Cart is always visible, reducing cart abandonment. Countdown Timer urgency feature converts even more! Quick Buy Button enables swift orders directly on product pages. The Sticky Checkout Bar gives a cart overview, helping checkout. With our Ajax Slider Cart Drawer, even upsell & cross-sell additional products & increase AOV. Sticky Cart, Quick Buy, Buy Now Button & Add To Cart Bar maximize Shopify sales! more Sticky Add To Cart Bar & Sticky Cart - now with Countdown Timer for urgency Sticky Cart Icons & Add To Cart Bar - always in view for quick checkout Quick Buy Button & Buy Now Button - help shoppers complete purchase quickly Slider Cart Drawer w/Upsells - upsell & cross sell products to increase revenue Quick View, Quick Buy & Buy Now - view, add to cart, or buy with just 1 click

4.9(Reviews)

Turn orders into memories with gift wraps & gift box, for supreme high-value checkout experience Shoppers love gifting: Turn that love into revenue. Super allows you to offer your customers multiple gift wraps, personalized gift notes, greeting messages, and a premium gift box before checkout. With customizable design that fits every theme, cart, drawer cart & product page, Super drives more conversions, increase sales, and upsell your store's AOV with the power of gifting, especially during holiday seasons & birthday events like Halloween, Black Friday Cyber Monday (BFCM) and Christmas. Shoppers love gifting: Turn that love into revenue. Super allows you to offer your customers multiple gift wraps, personalized gift notes, greeting messages, and a premium gift box before checkout. With customizable design that fits every theme, cart, drawer cart & product page, Super drives more conversions, increase sales, and upsell your store's AOV with the power of gifting, especially during holiday seasons & birthday events like Halloween, Black Friday Cyber Monday (BFCM) and Christmas. more Add unlimited paid/free gift wrapping, paid/free gift message & gift receipt Show the gift options in your Shopify Plus Checkout page for optimal conversion Automatic gift order tags for easy fulfillment, filtering, tracking & insights Show the gift options for specific products only or for all of your products Support orders from Roposo Clout, GlowRoad, GiftShip, DSers, Raffle and more

4.5(Reviews)

Add shipping protection, rush orders, warranty, donations, upsells, bundles, and more with one cart! We built Supercart four years ago with one goal: to help businesses like yours succeed. A secret weapon, a profit-boosting powerhouse that raises your average order value and conversion rates. Easily offer smart extra services, dynamic upsells, and AI product recommendations. You can also encourage larger purchases with product bundles, discount incentives, and free gifts. The app is incredibly easy to use and fully customizable, so you can build a cart experience that is unique to your brand. We built Supercart four years ago with one goal: to help businesses like yours succeed. A secret weapon, a profit-boosting powerhouse that raises your average order value and conversion rates. Easily offer smart extra services, dynamic upsells, and AI product recommendations. You can also encourage larger purchases with product bundles, discount incentives, and free gifts. The app is incredibly easy to use and fully customizable, so you can build a cart experience that is unique to your brand. more Use a familiar editor to customize the perfect cart to your vision Increase LCV, AOV and CRO with A/B split testing. Unlimited upsells and more customizable features (donations for a good cause) Shipping Protection or cart other services that helps your store get more sales Increase Customer Trust, Confidence & Peace of Mind. Try Supercart and see today

5.0(Reviews)

Add Beautiful Color & Image Swatches to your Product and Collection Pages Swatches Dotify replaces variant dropdowns with visual swatches to help customers select product options more easily. It works on product and collection pages and adapts to different themes and layouts. You can customize the appearance of swatches to match their store design and clearly indicate unavailable variants, improving clarity when browsing products and reducing confusion when choosing options. Swatches Dotify replaces variant dropdowns with visual swatches to help customers select product options more easily. It works on product and collection pages and adapts to different themes and layouts. You can customize the appearance of swatches to match their store design and clearly indicate unavailable variants, improving clarity when browsing products and reducing confusion when choosing options. more Use Color & Image Swatches with your Shopify product options. Choose between a variety of swatch themes. Add swatches on your Collection Pages. Auto-detect color options in your shop for quick setup. Detects soldout variants and updates the swatches to reflect the availability

4.5(Reviews)

All-in-one product customizer with live preview. Design, personalize, fulfill orders with automation Sell customized products faster and smarter! Teeinblue product personalizer ships with AI design options that elevate your customized products. From text to photo, our smart product customizer delivers a smooth customization experience with live previews that everyone wants to buy. Automate fulfillment with direct connections to global Print On Demand services: Printify, Printful, merchOne, ShineOn, Gelato & many more. Boost productivity & sales with our end-to-end product customizer! Sell customized products faster and smarter! Teeinblue product personalizer ships with AI design options that elevate your customized products. From text to photo, our smart product customizer delivers a smooth customization experience with live previews that everyone wants to buy. Automate fulfillment with direct connections to global Print On Demand services: Printify, Printful, merchOne, ShineOn, Gelato & many more. Boost productivity & sales with our end-to-end product customizer! more Personalization for every niche: text, photos, clipart, maps, moon phases & more AI-powered design tools: Gen AI effects, remove bg, face cutout, pencil sketch Design smarter: bulk upload, auto sync options, multi conditions, Canva import Auto generate production files. Easily send personalized orders to POD services Personalize at scale, reach more markets. Multiple stores in one account

4.8(Reviews)

The app helps you add a terms-and-conditions checkbox to your store - 2.0 compatible TermsBee allows you to add a Terms and Conditions Checkbox to your store easily. After enabling the app a checkbox will immediately start appearing in your store's cart page & drawer (Ajax) and products page, customers will be required to tick it in order to checkout. The date and time when the checkbox was ticked will be logged in the order's additional details section and can help you against chargebacks. You can also show the checkbox in the account register & login pages. TermsBee allows you to add a Terms and Conditions Checkbox to your store easily. After enabling the app a checkbox will immediately start appearing in your store's cart page & drawer (Ajax) and products page, customers will be required to tick it in order to checkout. The date and time when the checkbox was ticked will be logged in the order's additional details section and can help you against chargebacks. You can also show the checkbox in the account register & login pages. more Easily add an 'I Agree' Checkbox to your store's cart page and Ajax cart See when the customer agreed to your terms and conditions in the order details. You can show the checkbox appear for specific products only. You can show the "I Agree To Terms Checkbox" for all or specific countries. The app supports additional checkout buttons Ex. PayPal, GPay, Apple Pay, etc.

4.6(Reviews)

T&C checkbox on the cart page & checkout page, Support Age Verification & Country Blocker. One click setup without any hassle! Instantly display a Terms & Conditions checkbox above the checkout button to ensure customers accept your policies before purchase. The policies that your customer needs to accept may include the European Union’s data privacy law, the General Data Protection Regulation (GDPR). Add Age Verification to restrict underage access and prevent unauthorized usage. Use Country Blocker to control or restrict orders from selected regions. One click setup without any hassle! Instantly display a Terms & Conditions checkbox above the checkout button to ensure customers accept your policies before purchase. The policies that your customer needs to accept may include the European Union’s data privacy law, the General Data Protection Regulation (GDPR). Add Age Verification to restrict underage access and prevent unauthorized usage. Use Country Blocker to control or restrict orders from selected regions. more Get the date and time the customer agreed to your T&C on additional notes. Enable age verification & Block specific country to access your store 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, Login, Register & Contact pages.

4.7(Reviews)

Increase AOV and Social Traffic with Thankify's No-Code, Custom Thank You page builder. Turn your thank you page into a growth engine with Thankify. Boost revenue through personalized upsells, gather valuable customer insights with post-purchase surveys, and drive social traffic with share buttons. With no-code tools, create engaging pages that transform one-time buyers into repeat customers — all while enhancing their experience. Turn your thank you page into a growth engine with Thankify. Boost revenue through personalized upsells, gather valuable customer insights with post-purchase surveys, and drive social traffic with share buttons. With no-code tools, create engaging pages that transform one-time buyers into repeat customers — all while enhancing their experience. more Increase sales with tailored upsells on your thank you page. Gather feedback to improve customer experience post-purchase. Use videos and images to create engaging thank you pages. Add share buttons to boost your social traffic and followers. Build thank you pages easily with a no-code drag-and-drop editor.

5.0(Reviews)

Tip Quik gives your customers the option to add a tip to their order before they reach checkout. On the cart page and slide-out cart, a pop-up will appear when the checkout or Shop Pay button is clicked. The pop-up will ask the customer if they wish to leave a tip before it brings them to the checkout page. This is a great way to collect tips for your employees and help give everyone a boost. Help out your delivery driver, packaging department, or front of house. Tested and working on all official free Shopify themes. On the cart page and slide-out cart, a pop-up will appear when the checkout or Shop Pay button is clicked. The pop-up will ask the customer if they wish to leave a tip before it brings them to the checkout page. This is a great way to collect tips for your employees and help give everyone a boost. Help out your delivery driver, packaging department, or front of house. Tested and working on all official free Shopify themes. more Before checkout, the customer will be shown a tip pop-up. Tip percentages can be customized or be a flat dollar amount. All content on the tip pop-up and the design of it can be customized.

2.9(Reviews)

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,...

4.9(Reviews)

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, ...

4.7(Reviews)

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About Custom HTML Apps for Shopify

Custom HTML 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 html 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 html solutions available in the Shopify App Store. Each has been selected based on its functionality, user ratings, and overall value for Shopify merchants.