StoreCensus

Custom CSS Shopify Apps

Discover the best Custom CSS apps for your Shopify store in 2025. Compare features, pricing, and reviews to find the perfect solution.

Looking for the Top Custom CSS Apps?

We've analyzed thousands of custom css apps to identify the top performers based on ratings and install counts.

View Best Custom CSS Apps
View all categories

IAB TCF Compliance, GDPR Compliance, CCPA Compliance, COPPA, LGPD Compliance, Google Consent Mode. Streamline the GDPR / CCPA / LGPD privacy law compliance process. Website cookie consent management, GDPR cookie banner and data subject requests management solution for digital publishers, SaaS, Marketing company, E-commerce websites. IAB TCF 2.2 certified CMP and Google certified CMP. Streamline the GDPR / CCPA / LGPD privacy law compliance process. Website cookie consent management, GDPR cookie banner and data subject requests management solution for digital publishers, SaaS, Marketing company, E-commerce websites. IAB TCF 2.2 certified CMP and Google certified CMP. more Certified IAB TCF 2.2 CMP and Certified Google CMP IAB TCF 2.2 and Consent Mode signals for retargeting ads and marketing Fully customizable multiple stages consent collection pop-ups, bars Multiple languages support Cookies scan and disclosing

0.0(Reviews)

Customizable and attractive cookie consent banner Introducing Cookify - Privacy Policy, a must-have app for Shopify store owners looking to enhance their customers' trust while complying with data privacy regulations. Our app lets merchants quickly and easily display a customizable privacy policy banner on their storefronts. Introducing Cookify - Privacy Policy, a must-have app for Shopify store owners looking to enhance their customers' trust while complying with data privacy regulations. Our app lets merchants quickly and easily display a customizable privacy policy banner on their storefronts. more No coding required! Customizable unobtrusive banner! Cookie banner is device responsive and no other steps required to do app setup! Six ready to use templates Language translation

3.0(Reviews)

CookiePal ensures easy GDPR compliance with customisable cookie banners for your website. CookiePal is an app designed to help you manage cookie consent and comply with GDPR regulations. It works by integrating a script directly into your website, which ensures faster load times and improved performance. The CookiePal app lets you fully customise your cookie banner, including colours, text, and placement, all from a simple dashboard. It also tracks user consents and provides detailed reports to keep your business compliant. CookiePal is an app designed to help you manage cookie consent and comply with GDPR regulations. It works by integrating a script directly into your website, which ensures faster load times and improved performance. The CookiePal app lets you fully customise your cookie banner, including colours, text, and placement, all from a simple dashboard. It also tracks user consents and provides detailed reports to keep your business compliant. more Integrate Cookie Banner: Add a GDPR-compliant banner directly to your site. Google Consent Mode ready: easily implement GCM V2 with our app. Consent Tracking: Automatically track and log user consents for compliance. Multilingual support: Display banners in multiple languages for your users. Customisation Options: Edit colours, text, and placement to match your branding

5.0(Reviews)

Automate your store's consent management with our Google-certified CMP — TCF and Consent Mode ready. CookieYes is a cloud-based consent management platform designed to ensure compliance with GDPR, CCPA, other US State laws and global privacy regulations. You can easily set up a custom cookie banner with a detailed cookie list and automate all your cookie management. CookieYes is a Google Gold Certified CMP, designed to ensure your consent management works seamlessly with Google Consent Mode and the IAB Transparency and Consent Framework. CookieYes is a cloud-based consent management platform designed to ensure compliance with GDPR, CCPA, other US State laws and global privacy regulations. You can easily set up a custom cookie banner with a detailed cookie list and automate all your cookie management. CookieYes is a Google Gold Certified CMP, designed to ensure your consent management works seamlessly with Google Consent Mode and the IAB Transparency and Consent Framework. more Single-click website scanning and categorisation of cookies. Fully customisable: Layout, content, colours, CSS, and languages. Automatic third-party script blocking and consent logs. Easy integrations with Google Consent Mode, TCF V2.2 & Global Privacy Control. Privacy and cookie policy generators.

4.2(Reviews)

Push Your Sales with a Dynamic Countdown Timer Bar – Harness the Power of Drive to Purchase Unlock the Secret to Skyrocketing Sales with the Timer! Create urgency, scarcity, and FOMO to encourage customers to Buy NOW instead of delaying their purchase. Want to push your sales? Use this powerful tool daily or for special events like promotions, pre-orders, product launches, flash sales, and holidays. The countdown timer is especially effective for impact moments like Black Friday, Cyber Monday, and beyond. Simply click 'Install' and join the savvy merchants already using this Unlock the Secret to Skyrocketing Sales with the Timer! Create urgency, scarcity, and FOMO to encourage customers to Buy NOW instead of delaying their purchase. Want to push your sales? Use this powerful tool daily or for special events like promotions, pre-orders, product launches, flash sales, and holidays. The countdown timer is especially effective for impact moments like Black Friday, Cyber Monday, and beyond. Simply click 'Install' and join the savvy merchants already using this more Push Sales: Drive urgency with a customizable announcement timer bar More Conversions: Add product timers, countdown banners, or cart timers Customize Timer: Adjust text, colors, style, and placement to match your brand Stick your timer to the top bar

0.0(Reviews)

Beautiful cart drawer offering Free Gifts and In Cart Upsells, BXGY Bundles Offer multiple free gifts at once or let customers choose from a list of free gift (e.g., choose any 2 out of 3) right from the cart drawer. Use regular inventory items as free gift—no need to create $0 products that mess up stock. If a customer adds the same item again, it’s charged normally. All offers appear inside the cart drawer, including cart upsells like frequently bought together and one-click cart upsell. Let the cart drawer become your most powerful conversion tool. Offer multiple free gifts at once or let customers choose from a list of free gift (e.g., choose any 2 out of 3) right from the cart drawer. Use regular inventory items as free gift—no need to create $0 products that mess up stock. If a customer adds the same item again, it’s charged normally. All offers appear inside the cart drawer, including cart upsells like frequently bought together and one-click cart upsell. Let the cart drawer become your most powerful conversion tool. more Powered By Functions: Give any product in inventory as free gifts Multi-tier Progress Bar: Give Free Gifts & shipping based on cart total value Smart In Cart Upsells: Upsell frequently bought together items in your cart One Click upsell: Add a checkbox to upsell addon services like Gift wrapping And more marketing & conversion campaigns to boost your Average Order Value(AOV)

4.9(Reviews)

Raise Your Sales with Our Easy-to-Use Countdown Timer App! Our Countdown Timer app supports creating urgency and improving conversions! With our Countdown Timer, customers can be more aware of the events that are taking place on your website. This app is developed to raise your sales by highlighting low-stock products, special promotions, product launches, and more. Whether you're gearing up for Black Friday, Cyber Monday, or any holiday sale, our app can help you cover them with various timer options, including one-time, auto-recurring, and daily. Our Countdown Timer app supports creating urgency and improving conversions! With our Countdown Timer, customers can be more aware of the events that are taking place on your website. This app is developed to raise your sales by highlighting low-stock products, special promotions, product launches, and more. Whether you're gearing up for Black Friday, Cyber Monday, or any holiday sale, our app can help you cover them with various timer options, including one-time, auto-recurring, and daily. more Choose one-time, auto-recurring, daily, or weekly timers to fit any sale events Add a product timer, estimated delivery, countdown banner, or stock countdown Show checkout timer (cart countdown) in your cart to prevent cart abandonment Simple to customize to fit your store’s design: text, font, color, css...

5.0(Reviews)

Easily curate shoppable and customizable user-generated Instagram feed and Photo Reviews galleries Covet helps you collect and show photo & video reviews from your customers. Automate & display Instagram @profile or #hashtag photos, videos & reels. Invite your customers to upload their own photo & video reviews. Run email campaigns and monitor which buyers have uploaded media. Approve their reviews for the gallery and reward them with a discount. Upload your own photos to showcase your seasonal lookbook. Run photo contests and create a community around your brand. Covet helps you collect and show photo & video reviews from your customers. Automate & display Instagram @profile or #hashtag photos, videos & reels. Invite your customers to upload their own photo & video reviews. Run email campaigns and monitor which buyers have uploaded media. Approve their reviews for the gallery and reward them with a discount. Upload your own photos to showcase your seasonal lookbook. Run photo contests and create a community around your brand. more Automate & display Instagram feed: @profile or #hashtag photos, video & reels Photo Reviews - invite your customers to upload their own photos or videos Shoppable Gallery - allow users to browse and shop right inside the gallery Lookbook - use all the magnificent photos to curate & show your product photos Product Gallery - show your product photos in aspirational, real-life action

4.6(Reviews)

Showcase galleries of images in an appealing way to make your store look aesthetic. We are here to enhance your stores with our Image Gallery App. Create astonishing galleries with ease. The built-in editor provides a treasure of editing options. We know that having high-quality images is important, hence we support 4K and 8K images and optimize them to make the pictures load as quickly as possible. As we understand your time is valuable, we have provided an auto-embed feature to publish the gallery using the app on any page already created on your store. We are here to enhance your stores with our Image Gallery App. Create astonishing galleries with ease. The built-in editor provides a treasure of editing options. We know that having high-quality images is important, hence we support 4K and 8K images and optimize them to make the pictures load as quickly as possible. As we understand your time is valuable, we have provided an auto-embed feature to publish the gallery using the app on any page already created on your store. more Customize gallery layout as per your choice within the app. Create unlimited Grid, Masonry & Carousel galleries. Add lightbox/Popup view, Links, Captions & Hover effects to your images Embed anywhere just with an HTML embed snippet. Easily organize images in the gallery using Manual or Automatic Sorting.

2.5(Reviews)

Easily create registration, wholesale, feedback & any custom forms with file uploads by drag & drop. CP24 Form Builder & File Upload provides the solution to create beautiful forms with file attachments to fulfill different purposes. CP24 - Form Builder is a spam-free app that helps you to build a fully responsive, user-friendly, spectacular, and professional contact form in a short span of time. You can create different category forms like Registration, Wholesale Registration, Steps, Order Attachment, Quiz Form, Product Feedback Form, and many more with ease. & Integration with Klaviyo. CP24 Form Builder & File Upload provides the solution to create beautiful forms with file attachments to fulfill different purposes. CP24 - Form Builder is a spam-free app that helps you to build a fully responsive, user-friendly, spectacular, and professional contact form in a short span of time. You can create different category forms like Registration, Wholesale Registration, Steps, Order Attachment, Quiz Form, Product Feedback Form, and many more with ease. & Integration with Klaviyo. more Create registration, order attachments, and wholesale forms with file uploads. Set admin notification with file attachment, and customer autoresponder. Captcha support to prevent bots & all device supported forms. Klaviyo integration: Sync form submission with Klaviyo.

4.4(Reviews)

Sell custom built products with unlimited option permutations, conditional logic, text & artwork Offer a seamless customization experience. Customers can personalize every detail—material, color, shape—while adding text, images, and file uploads. Powered by advanced conditional logic, flexible product pricing with OpenOffice Calc, automatic Shopify inventory & complex SKU management, support of 1000s of variant permutations and out-of-stock variant hiding. Wholesale order options, quantity and size breakdowns, real-time layer colorization enhance the experience. Offer a seamless customization experience. Customers can personalize every detail—material, color, shape—while adding text, images, and file uploads. Powered by advanced conditional logic, flexible product pricing with OpenOffice Calc, automatic Shopify inventory & complex SKU management, support of 1000s of variant permutations and out-of-stock variant hiding. Wholesale order options, quantity and size breakdowns, real-time layer colorization enhance the experience. more Offer 'Build Your Own Product' Experience w/ Live Preview From Every Angle. Upload Photos / Artwork / Logos / Monograms / Text & Almost Any Other File Type. Unlimited Variant Permutations. Robust SKU Constructor & Inventory Tracking. Interactive Printable Areas For Embroidery, Print On Demand & Neon Signs. Customizable via CSS/JS to Match Your Brand Design. API For External Systems.

4.6(Reviews)

Create Upsell & cross-sell bundles with discounts to achieve higher sales Cross-sell upsell master offers a wide range of widgets to the customer in which different bundles/funnels can be created with discounts and special offers like percentage discounts or fixed off from the total product prices. The app offers multiple ways like bundle offers, volume discounts, and frequently bought-together offers of the products in simultaneous ways. Also, the app offers some special discounts for a selected group of products to generate higher sales. Cross-sell upsell master offers a wide range of widgets to the customer in which different bundles/funnels can be created with discounts and special offers like percentage discounts or fixed off from the total product prices. The app offers multiple ways like bundle offers, volume discounts, and frequently bought-together offers of the products in simultaneous ways. Also, the app offers some special discounts for a selected group of products to generate higher sales. more Multiple upsell & cross-sell discount bundles can be created on different pages Create bulk quantity discounts, upsell frequently brought together products Fully customizable template to match store color theme

0.0(Reviews)

Build Unlimited Forms with ease and hassle-free. No limits and no restrictions on using any feature. * Fully Customize the fields and the look and feel * Can store form submissions in App or email or both. * Setup email recipients for form submissions * Set optional Auto-Responders for all of your forms * Mobile responsive. * Enable Captcha to prevent fraudulent form submissions. * Use SMTP to send all emails. * Mailchimp Integration * Accept Payments with Stripe and PayPal. * Google Analytics * Webhooks * Export Form Submissions in an excel sheet. * Customize redirect URL after form submission * Fully Customize the fields and the look and feel * Can store form submissions in App or email or both. * Setup email recipients for form submissions * Set optional Auto-Responders for all of your forms * Mobile responsive. * Enable Captcha to prevent fraudulent form submissions. * Use SMTP to send all emails. * Mailchimp Integration * Accept Payments with Stripe and PayPal. * Google Analytics * Webhooks * Export Form Submissions in an excel sheet. * Customize redirect URL after form submission more We help you to save your time in building a custom and advanced form in minutes. Embed form anywhere by short code. Email alerts to admin and customer on form submissions.

4.4(Reviews)

Product customizer that makes it easy for Print on Demand stores to sell personalized products. Customall is the ultimate product personalizer for Print on Demand (POD) store, designed to maximize efficiency & boost sales. With Customall, you can easily set up custom products, offering a wide range of personalization options for your customers. Our app connects with leading Print partners like Dreamship, Printify, Printway, Printful, Gearment to automate fulfillment. Plus, real-time previews ensure that your personalized products convert easily with less return. Customall is the ultimate product personalizer for Print on Demand (POD) store, designed to maximize efficiency & boost sales. With Customall, you can easily set up custom products, offering a wide range of personalization options for your customers. Our app connects with leading Print partners like Dreamship, Printify, Printway, Printful, Gearment to automate fulfillment. Plus, real-time previews ensure that your personalized products convert easily with less return. more Personalization options: custom texts, custom photo upload, clipart... Support text effects, background remover, face cutout... Unique custom products with: QR code, calendar, crossword puzzle, moon phase Let customers check the final customized product with live preview Send orders to leading Print-on-Demand providers. Export ready-to-print files.

4.7(Reviews)

Powerful POD designer and online customization features for your personalized products. CustoMeow is an online customization tool built for personalized products. Seamlessly integrate the POD Designer into your store, Deliver a true personalized customization experience for your customers, Ensure your personalized orders are fulfilled easily and reliably. CustoMeow is an online customization tool built for personalized products. Seamlessly integrate the POD Designer into your store, Deliver a true personalized customization experience for your customers, Ensure your personalized orders are fulfilled easily and reliably. more True WYSIWYG with 2D, 3D, and high-fidelity mockup previews. Powerful features for apparel, gifts, and more—meeting all customization needs. AI image filters integration unlocks endless creative possibilities. Auto-generated production files sent to factories for maximum efficiency. 10+ years in personalization, always improving to meet your needs.

4.6(Reviews)

No-code A/B Testing and Website Personalization CRO platform built for marketers CustomFit.ai is an easy no-code platform for marketers for A/B testing, personalization, and popups. Easily run A/B tests on any page—product pages, home page, checkout page—to identify what drives the most sales. Beyond modifying existing content, you can add new content blocks with drag-and-drop simplicity, such as UGC video reels, recently viewed or purchased items, and more. Leverage AI Machine Learning to optimize conversion rates (CRO), boost revenue, and enhance upselling strategies CustomFit.ai is an easy no-code platform for marketers for A/B testing, personalization, and popups. Easily run A/B tests on any page—product pages, home page, checkout page—to identify what drives the most sales. Beyond modifying existing content, you can add new content blocks with drag-and-drop simplicity, such as UGC video reels, recently viewed or purchased items, and more. Leverage AI Machine Learning to optimize conversion rates (CRO), boost revenue, and enhance upselling strategies more AI Conversion Optimization: Leverage Machine Learning to optimize conversions No code, A/B Testing, Split URL testing, Theme A/B testing, and A/B/N testing Easy to use No code visual editor to personalize product pages & landing pages Add new blocks like Video Reels, Recently Viewed items, and more via drag-n-drop SEO-friendly with fast performance and a flicker-free experience.

5.0(Reviews)

Product Personalizer & Customizer for Print on Demand. Design, automate, sell, and scale fast! Customily is the all-in-one product personalizer built for print on demand. Create high-converting customized products with live previews that boost satisfaction and sales. Enjoy unlimited personalization tools to let shoppers design custom products with ease while you streamline operations. Connect with top print on demand providers and automate fulfillment to save time, cut errors, and scale your business. Boost your store with a smart POD product customizer designed to increase sales! Customily is the all-in-one product personalizer built for print on demand. Create high-converting customized products with live previews that boost satisfaction and sales. Enjoy unlimited personalization tools to let shoppers design custom products with ease while you streamline operations. Connect with top print on demand providers and automate fulfillment to save time, cut errors, and scale your business. Boost your store with a smart POD product customizer designed to increase sales! more Customize with Texts, Photos, Street/Star Maps, Calendars, AI Filters & more! FREE Clipart, Designs, Background Remove & FaceCut. Import designs from Canva. Export ready-to-print, engrave or laser-cut files! No extra manual work needed! Connect with different Print-on-Demand (POD) providers to AUTOMATE FULFILLMENT! Global support team to help your products look stunning. LIVE CHAT included!

4.7(Reviews)

Boost Your Sales with a Countdown Timer—create urgency that drives customers to make a more purchase Our Sales Pop app creates instant sales notifications that grab visitors attention and encourage them to make quick purchases. When peoples see a Sales Pop notification, they understand that their favorite items are in high demand and selling out fast. This sense of urgency helps turn casual visitors into eager buyers. The Sale Timer is a powerful new tool to boost your sales! It’s ideal for achieving the best results during Black Friday, Cyber Monday, and beyond. Boost your sales today! Our Sales Pop app creates instant sales notifications that grab visitors attention and encourage them to make quick purchases. When peoples see a Sales Pop notification, they understand that their favorite items are in high demand and selling out fast. This sense of urgency helps turn casual visitors into eager buyers. The Sale Timer is a powerful new tool to boost your sales! It’s ideal for achieving the best results during Black Friday, Cyber Monday, and beyond. Boost your sales today! more Boost sales with engaging Upsell popups by adding a Countdown Timer. Add multiple popups with eye-catching animations for enhanced user engagement. Live preview your sales popups: Customize text, colors, placement and more. Set any schedule: Auto start and stop your sales popups with custom timing. Fully customize your sales popups with built-in CSS for complete design control.

5.0(Reviews)

Easily add customized age checks, prevent content theft, and block unwanted traffic by IP or country Dashi Security Suite makes store protection easy. Quickly set age verification pop-ups tailored by product or region, prevent content theft by disabling copy-paste and right-click actions, and easily block or redirect visitors by IP address or country. Perfect for regulated industries or merchants prioritizing security, Dashi helps you stay compliant, protect your valuable content, and control store access—all without technical hassle. Dashi Security Suite makes store protection easy. Quickly set age verification pop-ups tailored by product or region, prevent content theft by disabling copy-paste and right-click actions, and easily block or redirect visitors by IP address or country. Perfect for regulated industries or merchants prioritizing security, Dashi helps you stay compliant, protect your valuable content, and control store access—all without technical hassle. more Flexible age verification on specific pages or by country with customized design Disable copy, right-click, and developer tools to protect content Prevent fraudulent orders by blocking high-risk countries, IPs, and bots

5.0(Reviews)

Easily add and customize size charts & guides to help customers find the perfect fit. Create clean, responsive size charts for any product and customize them with text, images, and tables. Perfect for apparel, shoes, and detailed body measurements. Improve conversions and reduce returns with fit finders. The app is compatible with Hydrogen stores and works with any 2.0 theme. We've provided 11 presets for quick setup, along with an easy-to-follow guide to get started. Create clean, responsive size charts for any product and customize them with text, images, and tables. Perfect for apparel, shoes, and detailed body measurements. Improve conversions and reduce returns with fit finders. The app is compatible with Hydrogen stores and works with any 2.0 theme. We've provided 11 presets for quick setup, along with an easy-to-follow guide to get started. more Compatible with any 2.0 themes and Hydrogen stores Quick setup with 11 size chart presets Unit conversion ability between inch and cm Select size charts based on customer's location Floating and inline buttons to display

0.0(Reviews)

Related Categories

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.