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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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Google Maps store locator with up to 2,000 locations per map! Add a flexible store locator to your Shopify store with Omnium Maps. Place maps on any page, use them with any Shopify theme, and manage physical locations such as stores, showrooms, service points, franchises, retail partners, and stockists. Developers and Shopify Partners get extra tools for advanced customization and map placement. Add a flexible store locator to your Shopify store with Omnium Maps. Place maps on any page, use them with any Shopify theme, and manage physical locations such as stores, showrooms, service points, franchises, retail partners, and stockists. Developers and Shopify Partners get extra tools for advanced customization and map placement. more Google Maps integration with automatic, CSS selector, or Liquid code placement. Unlimited maps, one per page, with up to 2,000 locations each. Search by text, address, ZIP code, or customer geolocation. CSV import and export with automatic geocoding for bulk location updates. Customize maps with themes, layouts, and custom CSS.

5.0(Reviews)

Instantly boost Google SEO & get indexed faster with a 1-click branded HTML sitemap and XML sitemap! Improve SEO visibility by generating a clean, branded HTML sitemap for your store the moment you install. Set it up in under 1 minute and manage everything inside Shopify Admin—no code required. The sitemap updates automatically as your catalog changes, and you get simple guidance to improve indexing. Auto-create your sitemap page & add it to your footer in one click. Compatible with all themes, optimized for speed. Questions? Chat with our friendly & fast customer support. Improve SEO visibility by generating a clean, branded HTML sitemap for your store the moment you install. Set it up in under 1 minute and manage everything inside Shopify Admin—no code required. The sitemap updates automatically as your catalog changes, and you get simple guidance to improve indexing. Auto-create your sitemap page & add it to your footer in one click. Compatible with all themes, optimized for speed. Questions? Chat with our friendly & fast customer support. more Create an HTML sitemap that lists products, collections, and pages instantly. Auto‑update the sitemap as you add or remove items — no maintenance. Customize colors, typography, and layout on your sitemap to match your brand. Add your HTML sitemap link to the footer menu automatically — no theme edits. Follow the built‑in step‑by‑step guide to submit your XML sitemap to Google.

5.0(Reviews)

Ongoing Upsells instantly adds a Buy Now button to the top of product pages helping to boost sales Ongoing Upsells helps you capture more sales with a sticky 'Add to Cart' bar that stays visible as shoppers scroll. This powerful upsell tool keeps key actions front and center, guiding customers smoothly toward checkout. It’s designed to boost conversions, reduce cart abandonment, and increase engagement on every product page. Easy to install, fully customizable, and built for speed—Ongoing Upsells makes it easier for shoppers to act, so you can turn more traffic into revenue. Ongoing Upsells helps you capture more sales with a sticky 'Add to Cart' bar that stays visible as shoppers scroll. This powerful upsell tool keeps key actions front and center, guiding customers smoothly toward checkout. It’s designed to boost conversions, reduce cart abandonment, and increase engagement on every product page. Easy to install, fully customizable, and built for speed—Ongoing Upsells makes it easier for shoppers to act, so you can turn more traffic into revenue. more Always Visible Add to Cart: Make it easy for customers to buy anytime, anywhere Customizable Design: Match your store's look with full control over colors/ look Fast Checkout: Get customers to checkout quicker and reduce cart abandonment

5.0(Reviews)

Use progress bar to boost average order value (AOV). Show shoppers the finish line They were always one item away. Now they can see it. Show customers exactly how much more they need to spend to unlock free shipping or the next discount. The progress bar updates instantly as the cart changes, creating a clear reason to add another item. Set single or multi-tier goals, write your own call-to-action, customize the design, and place the bar inline on product pages, cart pages, and cart drawers. Preview every goal before it goes live. Show shoppers the finish line They were always one item away. Now they can see it. Show customers exactly how much more they need to spend to unlock free shipping or the next discount. The progress bar updates instantly as the cart changes, creating a clear reason to add another item. Set single or multi-tier goals, write your own call-to-action, customize the design, and place the bar inline on product pages, cart pages, and cart drawers. Preview every goal before it goes live. more Rich text editor for call-to-action Customizable progress bar. Change style based on your store design. Inline widget that doesn't clutter your page. Multi-tiers discounting. Flexible multiple spots - Product page, cart page, cart drawer etc

4.1(Reviews)

Don't just Recommend. Show X% of Customers who Also Bought. Why choose OnVoard Product Recommender? Our app don't just display product recommendations. We make product recommendations more compelling by adding social proofs like "25% of customers bought this together" to convince customers WHY they should add product to cart. This is our app differentiation VS other product recommendations app. For GDPR, data are hosted in EU. Why choose OnVoard Product Recommender? Our app don't just display product recommendations. We make product recommendations more compelling by adding social proofs like "25% of customers bought this together" to convince customers WHY they should add product to cart. This is our app differentiation VS other product recommendations app. For GDPR, data are hosted in EU. more Style Editor: Customize product recommendations based on your store design Meta Labels: Use social proofs to enhance product recommendations Filtering: Use filters to exclude products based on rating, quantity, tags etc. Revenue Tracking: Identify assisted revenue generated recommendations Analytics: View analytics to identify top-performing recommendations

5.0(Reviews)

Personalized popups within minutes: Email, Exit intent, Spin-to-Win, Discount, Upsell and more. Increase sales, gamify the experience, collect emails and sync with your favorite tools. Boost user engagement with discount and lucky wheel pop ups. Sell more with smart product suggestions, upsell and cross sell pop ups. The drag & drop pop up builder gives you freedom, while the large number of premade templates get you started quickly. Advanced targeting system supports tons of options such as exit intent and shopping cart rules. Let's grow your business together! Increase sales, gamify the experience, collect emails and sync with your favorite tools. Boost user engagement with discount and lucky wheel pop ups. Sell more with smart product suggestions, upsell and cross sell pop ups. The drag & drop pop up builder gives you freedom, while the large number of premade templates get you started quickly. Advanced targeting system supports tons of options such as exit intent and shopping cart rules. Let's grow your business together! more Drag & drop popup builder. Rich template gallery, easy to customize and brandize Email pop ups that powered gamification widgets for engagement. Sale popups, promote products, offer discounts, free shipping bars, and more. Personalized popups with advanced targeting and smart data bindings. Smart product recommendation popups for up-selling and cross-selling.

5.0(Reviews)

Allows to create various custom fields for product. Effective product option can help to boost sales Add unlimited number of options to your product. Options include dropdown, image upload, single and multi-line text input, radio button, checkbox, date-picker, label, swatches, etc. Options will help you to sell personalized and custom products in your store. If you sell a product that has lots of options or variants and need extra fields to show in the front-end then this app will be your reliable choice. This app will help you to make your products more important to your customers. Add unlimited number of options to your product. Options include dropdown, image upload, single and multi-line text input, radio button, checkbox, date-picker, label, swatches, etc. Options will help you to sell personalized and custom products in your store. If you sell a product that has lots of options or variants and need extra fields to show in the front-end then this app will be your reliable choice. This app will help you to make your products more important to your customers. more Faster and easier way to create Extra Option fields with Conditional Logic Convert more customers and help to increase sales by decorating products Easily create custom options with value & price Add an unlimited number of options for products Options include drop-down, swatch, file upload, text, date-picker etc.

4.4(Reviews)

Add unlimited custom product options & add-ons with AI. Break the 3-option and 100-variant limit. Stop losing sales to limited product options. Optionize adds unlimited custom options to any product, with AI that builds your option sets in seconds. Break the 3-option and 100-variant limit with 16+ option types: text fields, color swatches, file uploads, date pickers, and more. Smart conditional logic shows or hides options based on customer choices. Add pricing for extras like gift wrapping or engraving. Built-in dashboard preview shows exactly how your options will appear on your store. Stop losing sales to limited product options. Optionize adds unlimited custom options to any product, with AI that builds your option sets in seconds. Break the 3-option and 100-variant limit with 16+ option types: text fields, color swatches, file uploads, date pickers, and more. Smart conditional logic shows or hides options based on customer choices. Add pricing for extras like gift wrapping or engraving. Built-in dashboard preview shows exactly how your options will appear on your store. more AI powered: Generate options with the help of AI. Build in minutes, not hours. Unlimited: Create unlimited options and option sets for your products. 16+ Option Types: Text boxes, color/image swatches, file uploads, and much more! Conditional Logic: Hide or show options dynamically based on customer choices. And more: Custom CSS, add-on pricing, preview, product linking, multi-currency

4.5(Reviews)

Personalize products w/ infinite options, text, swatches, file uploads, price addon & live preview Unlock infinite bold product options & flexible variant options beyond Shopify variant limits, built for personalization. Let customers add custom text, upload images, choose sizes, fonts & real-time preview their choices on product page. Collect customer inputs before checkout. Boost AOV with add-ons, bundles, gift wraps & extra prices. Create clean buying flow with conditional logic, option groups, cart page edits, variant-specific images. Easy to use, simple to manage, with 24/7 live support. Unlock infinite bold product options & flexible variant options beyond Shopify variant limits, built for personalization. Let customers add custom text, upload images, choose sizes, fonts & real-time preview their choices on product page. Collect customer inputs before checkout. Boost AOV with add-ons, bundles, gift wraps & extra prices. Create clean buying flow with conditional logic, option groups, cart page edits, variant-specific images. Easy to use, simple to manage, with 24/7 live support. more 20+ options: text box, color image swatch, dropdown, file upload, checkbox, date Price add on & product add-ons for bundles, upsell & track inventory Product personalizer: font picker, image upload, engraving option & live preview Multiple variant images, gift wraps, size chart, cart page variant option edit Fully compatible with all Shopify discounts, integrated into your products offer

4.9(Reviews)

Turn your Instagram post into a sales funnel. Showcase your brand and gain trust! OT: Instagram Feed turns your Instagram into a sales channel. Create shoppable posts so customers can buy directly, choose which posts to show or hide, drag & drop to arrange, and customize layouts to match your brand. Your feed updates in real time - saving time, boosting engagement, and driving more sales. OT: Instagram Feed turns your Instagram into a sales channel. Create shoppable posts so customers can buy directly, choose which posts to show or hide, drag & drop to arrange, and customize layouts to match your brand. Your feed updates in real time - saving time, boosting engagement, and driving more sales. more Display Instagram posts in various layouts - Boost store look & build trust. Create shoppable posts that drive conversions - Tag upto 3 products in each post Full control with drag-drop - Show, hide, and arrange posts your way. Easily customize layouts & styles to perfectly match your store’s brand look. Real-time updates & performance insights - Keep your feed fresh and on-trend.

4.7(Reviews)

Our Work App lets you effortlessly showcases projects and portfolios, with category and product tags Our Work App is your go-to solution for showcasing projects and portfolios seamlessly on Shopify. This portfolio app not only allows you to display your work with stunning image displays and categorization options but also enables easy tagging of products. Whether you're a manufacturer, selling product or any creative professional, Our Work App enhances your ability to present your portfolio with clarity and style, ensuring your products are shown in real world use, and tagged for purchase. Our Work App is your go-to solution for showcasing projects and portfolios seamlessly on Shopify. This portfolio app not only allows you to display your work with stunning image displays and categorization options but also enables easy tagging of products. Whether you're a manufacturer, selling product or any creative professional, Our Work App enhances your ability to present your portfolio with clarity and style, ensuring your products are shown in real world use, and tagged for purchase. more Showcase Portfolios and Projects: Display your work in an appealing way Tag Products Easily: Highlight key products within your projects with simple tag Organize Your Portfolio: Keep your projects well-organized with catagories

0.0(Reviews)

Slide cart drawer with cart upsell, post purchase upsell, checkout upsell & thank you page upsell Oxify upgrades your slide cart drawer with cart upsell, in-cart upsell, cross-sell & add-ons. Boost AOV with post purchase upsell, checkout upsell, thank you page upsell & product page upsell. Add frequently bought together bundles, free gift with purchase, gift wrap, BOGO, volume discounts & upsell with discount codes. Cut cart abandonment with free shipping bar, reward progress bar, countdown timer, sticky cart & trust badges. One-click upsells, subscriptions, multi-language & multi-currency. Oxify upgrades your slide cart drawer with cart upsell, in-cart upsell, cross-sell & add-ons. Boost AOV with post purchase upsell, checkout upsell, thank you page upsell & product page upsell. Add frequently bought together bundles, free gift with purchase, gift wrap, BOGO, volume discounts & upsell with discount codes. Cut cart abandonment with free shipping bar, reward progress bar, countdown timer, sticky cart & trust badges. One-click upsells, subscriptions, multi-language & multi-currency. more Slide cart drawer with cart upsell, in-cart upsell, cross-sell & FBT bundles Post purchase upsell, checkout upsell & thank you page upsell to boost AOV Offer product page upsells & subscription options with one-click add-to-cart Free gift with purchase, BOGO, volume discounts & upsell with discount codes Display reward progress bar, free-shipping goal, sticky cart and trust badges

5.0(Reviews)

Countdown timer bar, announcement bar & FOMO popup for flash sales, BFCM, launches & cart urgency Oxify Countdown Timer Bar adds a countdown timer bar, announcement bar & urgency popup to create FOMO and drive action. Run fixed-date timers for Black Friday, Cyber Monday & product launches, evergreen timers that reset per visitor, daily recurring timers for shipping cut-offs, or session timers for cart urgency. Place on product, cart, drawer, landing or collection pages. Target by country, language, customer tags, collection, vendor & device. No code, mobile-friendly, theme-ready. Oxify Countdown Timer Bar adds a countdown timer bar, announcement bar & urgency popup to create FOMO and drive action. Run fixed-date timers for Black Friday, Cyber Monday & product launches, evergreen timers that reset per visitor, daily recurring timers for shipping cut-offs, or session timers for cart urgency. Place on product, cart, drawer, landing or collection pages. Target by country, language, customer tags, collection, vendor & device. No code, mobile-friendly, theme-ready. more Countdown timer bar, announcement bar & urgency popup on product & cart pages Fixed-date, evergreen, daily & session timers for BFCM, flash sales & launches Geo-target by country, language, tags, collection, vendor & device — no code Built-in templates with full color, font, animation & schedule customization Lightweight, mobile-friendly & compatible with Dawn, Horizon & all OS 2.0 themes

5.0(Reviews)

AI-powered page builder to design high-converting landing & product pages and boost store CRO. PageFly powers your store design and CRO without code. Build high-converting landing, product, and FAQ pages fast with our AI page & section generator, drag-and-drop editor, and 320+ templates. Maximize sales using built-in A/B testing, click heatmaps, funnel analytics, and 130+ app integrations. Our smart AI audit scans your pages to prescribe prioritized, actionable fixes for speed, SEO, and copy. Run natively in your theme to scale your store and unlock early cart CRO. PageFly powers your store design and CRO without code. Build high-converting landing, product, and FAQ pages fast with our AI page & section generator, drag-and-drop editor, and 320+ templates. Maximize sales using built-in A/B testing, click heatmaps, funnel analytics, and 130+ app integrations. Our smart AI audit scans your pages to prescribe prioritized, actionable fixes for speed, SEO, and copy. Run natively in your theme to scale your store and unlock early cart CRO. more Build fast: AI page/section generation, drag-and-drop, and 320+ templates. Visual analytics: Track real-time visitor behavior with built-in click heatmaps. Funnel insights: Attribute sales & visualize drop-offs across all pages. Smart AI audit: Scan pages to resolve SEO, layout, and speed bottlenecks fast. Optimize checkout: Run built-in A/B tests & get early access to cart upsells.

4.9(Reviews)

Our app takes product images from your store and converts these images into a beautiful gallery Most gallery apps, upload the images in the gallery, but our app syncs your product images so you can make your gallery without doing anything much, just configure the settings according to your requirements and your gallery is ready to install in your store. Panda Gallery is simple to create and configure. Set up is quick! installing and getting your gallery live on your site will take no time at all. # Multiple galleries supported #Quick View Box #Most Viewed Products #Product Image Slider Most gallery apps, upload the images in the gallery, but our app syncs your product images so you can make your gallery without doing anything much, just configure the settings according to your requirements and your gallery is ready to install in your store. Panda Gallery is simple to create and configure. Set up is quick! installing and getting your gallery live on your site will take no time at all. # Multiple galleries supported #Quick View Box #Most Viewed Products #Product Image Slider more Convert your product images with stunning galleries, Fast-loading image gallery You can make the product image slider using Carousel & add any page in store Display the Quick View Box on products so that visitors can easily add to cart Display Most Viewed Products, you can make a gallery of the most viewed products You can embed multiple galleries on one page & section of your store.

5.0(Reviews)

GDPR/CCPA banner, WCAG accessibility & EU Withdrawal button to keep your Online Store 2.0 compliant. Protect your store with the premier compliance suite for global Privacy Laws, Web Accessibility (ADA/WCAG), and EU Withdrawal process. As a Shopify Plus Partner and Google/Microsoft Certified CMP, we ensure your store is compliant with 24/7 live support. We offer GDPR, CCPA, etc banners, also an Accessibility Widget for inclusive browsing and a Withdrawal Module. Integrated with Google Consent Mode v2, IAB TCF v2.3, & Shopify Privacy API. Best for Online Store 2.0 and hydrogen / headless stores. Protect your store with the premier compliance suite for global Privacy Laws, Web Accessibility (ADA/WCAG), and EU Withdrawal process. As a Shopify Plus Partner and Google/Microsoft Certified CMP, we ensure your store is compliant with 24/7 live support. We offer GDPR, CCPA, etc banners, also an Accessibility Widget for inclusive browsing and a Withdrawal Module. Integrated with Google Consent Mode v2, IAB TCF v2.3, & Shopify Privacy API. Best for Online Store 2.0 and hydrogen / headless stores. more Add a Cookie Banner via Checkout and Theme App Extensions for OS 2.0 Show multilingual cookie banners and Accessibility Widget text to your customers Collect your customers' data requests, send email alerts, and export DSAR CSV Schedule cookie scans detecting scripts, classify cookies, and import/export CSV Google Certified CMP & Microsoft Certified CMP with TCF v2.3 and Consent Mode

5.0(Reviews)

Transform your store with Make, Model, Year search for an efficient shopping experience. Enable Make, Model, Year, and optional Submodel search to enhance customer convenience and increase sales. This feature helps shoppers quickly find the right products for their vehicles. With persistent vehicle filtering, customers’ selections are saved across sessions, ensuring they always see relevant products. Simplify product management with easy bulk data import via CSV/Excel, and allow customers to save their preferred vehicles in 'My Garage' for faster future shopping Enable Make, Model, Year, and optional Submodel search to enhance customer convenience and increase sales. This feature helps shoppers quickly find the right products for their vehicles. With persistent vehicle filtering, customers’ selections are saved across sessions, ensuring they always see relevant products. Simplify product management with easy bulk data import via CSV/Excel, and allow customers to save their preferred vehicles in 'My Garage' for faster future shopping more Make, Model, Year collection filtering with Submodel support Persistent vehicle filtering Bulk data importing via CSV/Excel Save vehicles to 'My Garage'

5.0(Reviews)

Generate sale bars, countdowns & free-shipping promos with AI — no code needed. Generate eye-catching announcement bars in seconds with built-in AI. Describe a promotion and Pasilo writes the copy, picks the colors, and sets the countdown — no design skills needed. Run sales, countdown timers, free-shipping bars, news tickers, and rotating messages from one app. The native theme embed survives theme updates. Add scheduling, regional variants, A/B testing, and auto-translation as you grow. Start free with every bar type unlocked. Generate eye-catching announcement bars in seconds with built-in AI. Describe a promotion and Pasilo writes the copy, picks the colors, and sets the countdown — no design skills needed. Run sales, countdown timers, free-shipping bars, news tickers, and rotating messages from one app. The native theme embed survives theme updates. Add scheduling, regional variants, A/B testing, and auto-translation as you grow. Start free with every bar type unlocked. more AI assistant writes your copy, picks colors, and sets the timer Countdown timers in five styles — Flip Cards, Boxes, Circles & more Rotating messages, news tickers, fade & typewriter effects Schedule start/end dates or run recurring weekly campaigns Auto-translate bars into your store's languages

5.0(Reviews)

Provide visitors with the option to accept or decline cookies with customizable Cookie bar. In the digital market sphere, your online store's compliance with Europe's GDPR (General Data Protection Regulation) is of vital importance. Pasilobus EU Cookie Bar simplifies this process. Unlike confusing alternatives, it is user-friendly and does not slow down your store. It complies with GDPR, CCPA (California Consumer Privacy Act), and VCDPA (Virginia Consumer Data Protection Act), bolstering your store's global credibility. In the digital market sphere, your online store's compliance with Europe's GDPR (General Data Protection Regulation) is of vital importance. Pasilobus EU Cookie Bar simplifies this process. Unlike confusing alternatives, it is user-friendly and does not slow down your store. It complies with GDPR, CCPA (California Consumer Privacy Act), and VCDPA (Virginia Consumer Data Protection Act), bolstering your store's global credibility. more Cookie bar for GDPR to comply with EU regulations & California Privacy Act Fully customizable cookie bar that matches the style of your store. Supersonic mode so that the speed of your store is not affected. Automated styling - Picks up your store’s font and design. One-click installation, no coding required.

0.0(Reviews)

Real-time social proof. Live visitors, cart activity, sales popups and recently viewed products. Help customers buy with confidence using real-time social proof on product pages. Display live visitor counts, cart activity, sales totals, and purchase popups powered by actual store data, not fake numbers. Includes a recently viewed widget with cross-device sync so returning customers pick up where they left off. Counters update instantly. Works with any theme through drag-and-drop blocks. Help customers buy with confidence using real-time social proof on product pages. Display live visitor counts, cart activity, sales totals, and purchase popups powered by actual store data, not fake numbers. Includes a recently viewed widget with cross-device sync so returning customers pick up where they left off. Counters update instantly. Works with any theme through drag-and-drop blocks. more Live visitor count, cart activity, and sales badges Recent purchase popup notifications from real orders Recently viewed products with cross-device sync Real data from your store, no fake numbers Product analytics and customer browsing insights

4.5(Reviews)

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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.