Shopify Custom javascript apps 2025

Script Inserter

$9.99 / Month

Easily insert Scripts, Custom Javascript and CSS in your store Show more

Script Inserter is a convenient application designed to simplify the process of embedding scripts in your online store. With this tool, there's no need to meddle with your shop's theme; simply copy and paste your code snippets into Script Inserter, and it will handle the rest, ensuring seamless integration. Whether you wish to implement the scripts on your store's web front, order status page, or both, Script Inserter gives you that flexibility. The app ensures that your scripts remain intact and functional even when you decide to switch your store's theme. It supports an unlimited number of JavaScript and CSS scripts, enabling enhanced customization. Users can also benefit from fast response times and reliable service, all while having the peace of mind that their information is kept private.

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Easily insert scripts

Supports javascript and css

Copy-paste code

Load on web front

Load on order status page

Theme change compatibility

Install App

JsRates: Custom Shipping Rates

$35 / Month

9.1

14 Reviews

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Create custom shipping rates using JavaScript. Show more

JsRates: Custom Shipping Rates is a powerful app designed to give businesses unprecedented control over their shipping calculations by allowing them to create custom shipping rates using JavaScript. This app is perfect for overcoming the limitations of inflexible, one-size-fits-all shipping solutions, catering instead to businesses with complex or varied shipping needs. With JsRates, users can craft personalized shipping rules by leveraging third-party APIs, distance metrics, zip/post codes, and more. It also supports the integration of data from spreadsheets such as Google Sheets, CSV, and Excel to set up intricate shipping rate structures. The app is Shopify Plus friendly and includes a dedicated API endpoint, allowing seamless integration of rates into product and cart pages. To help businesses optimize their shipping strategy, JsRates offers personalized guidance and support in configuring shipping rates, making it a versatile tool for addressing any shipping challenge.

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Custom shipping rates

Javascript integration

Spreadsheet integration

Real-time plugins

Api endpoint

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MinifyMe ‑ File Optimizer

(3.2/5)

17 Reviews

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Minify CSS, JavaScript & Liquid files to speed up your store Show more

MinifyMe - File Optimizer is an intuitive app designed to enhance your store's performance by efficiently optimizing theme assets. With no developer experience required, users can effortlessly reduce the size of JavaScript, Liquid, and CSS files, leading to improved site speed and performance. The app simplifies file optimization with a user-friendly interface, allowing anyone to minify their files with just the press of a button. One of its standout features is the ability to easily revert minified files, enabling users to make necessary edits or fixes before reapplying the optimization. MinifyMe ensures a seamless and accessible experience for users aiming to boost their site's efficiency. Whether you're a seasoned professional or a novice, achieving a faster, more responsive store has never been easier.

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Shopify admin integration

Improve site speed

Minify css files

Minify javascript files

Minify liquid files

Easy file revert

Install App

EZ Custom HTML

$4.99 / Month

8.2

3 Reviews

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Easily add custom HTML, custom Javascript, and custom CSS Show more

EZ Custom HTML is a user-friendly app designed to simplify the process of adding custom HTML, CSS, or JavaScript to Shopify pages without the need for programming knowledge. This app serves as an App Block within Shopify's Theme Editor, allowing users to effortlessly drag and drop to place their custom code exactly where they want it. It eliminates the headache of dealing with theme liquid files, making customization accessible to all Shopify store owners. With this app, even those without JavaScript skills can enhance their store's functionality and appearance by incorporating custom scripts and styling. Users can expect first-class support, with responses typically within 24 hours, adding to the app's convenience and reliability. Whether you need to tweak the aesthetics or introduce new features, EZ Custom HTML streamlines the customization process on your Shopify store.

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Add custom html

Add custom css

Add custom javascript

Drag-and-drop functionality

Install App

Iconaro ‑ Snappy Custom Icons

9.1

3 Reviews

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Fully Custom Icons & Trust Badges that keep your store snappy. Show more

Iconaro - Snappy Custom Icons is an innovative app designed to enhance your online store's aesthetic appeal and convey value to your customers. With Iconaro, you can easily add custom SVG and PNG icons to your store and customize their appearance without needing any CSS knowledge. Modify text size, color, icon size, spacing, and background styling effortlessly to suit your brand's needs. The app prioritizes performance by rendering icons without JavaScript, ensuring your site remains fast and responsive. Moreover, Iconaro is SEO-ready, supporting alt-tags for better search engine optimization of your icons. It's an accessible tool that requires no additional coding or design skills, making it easy for anyone to try and elevate their store's visual appeal.

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Custom svg/png

Modify styling easily

No javascript

Seo-ready icons

Install App

CodeUp ‑ Add Custom Code

(3/5)

2 Reviews

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Easily Insert Custom Header & Footer Code to Your Store Show more

CodeUp - Add Custom Code is a versatile application designed to enhance your website's functionality by effortlessly integrating various codes into your site. With CodeUp, you can easily add essential codes such as Google Site Verification, Facebook Domain Verification, Google Analytics, and Facebook Pixel, as well as third-party scripts and live chat scripts. It also allows for the inclusion of custom CSS, empowering you to personalize your site's appearance and performance. The app provides a user-friendly interface, making it simple to customize and manage your code placements, whether in the head or body section. CodeUp offers intuitive features like simple code customization and page-wise code loading, ensuring an efficient and streamlined experience. Enhance your website's capabilities with this powerful tool and make your web presence more impactful and professional.

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Easy to use

Simple code customization

Load code pagewise

Install App

Script Inserter

$9.99 / Month

Claim Offer

Easily insert Scripts, Custom Javascript and CSS in your store Show more

Script Inserter is a convenient application designed to simplify the process of embedding scripts in your online store. With this tool, there's no need to meddle with your shop's theme; simply copy and paste your code snippets into Script Inserter, and it will handle the rest, ensuring seamless integration. Whether you wish to implement the scripts on your store's web front, order status page, or both, Script Inserter gives you that flexibility. The app ensures that your scripts remain intact and functional even when you decide to switch your store's theme. It supports an unlimited number of JavaScript and CSS scripts, enabling enhanced customization. Users can also benefit from fast response times and reliable service, all while having the peace of mind that their information is kept private.

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Easily insert scripts

Supports javascript and css

Copy-paste code

Load on web front

Load on order status page

Theme change compatibility

Install App

Mega HTML/CSS/JS Code Embed

8.2

6 Reviews

Claim Offer

Easily add custom HTML, CSS, JS, and Liquid code to your store Show more

Mega HTML/CSS/JS Code Embed is a powerful app designed to enhance your online store with custom code integration, providing flexibility and creativity in managing your shop's appearance and functionality. It allows you to seamlessly add tracking pixels, create eye-catching animations, and implement sophisticated product filters without the need for complex modifications, making it suitable for users of all skill levels. With dedicated fields for HTML, CSS, JavaScript, and Liquid code, you can easily embed videos, style custom elements, and develop interactive features. The live preview feature within the Shopify theme editor lets you see your changes in real time, enabling instant refinement and adjustment. Whether you're looking to add a countdown timer, customize your checkout pages, or integrate third-party tools, the app offers a smooth experience with seamless integration and app embeds. Quick and easy to install with just one click, Mega HTML/CSS/JS Code Embed empowers you to enhance your store's functionality and aesthetics swiftly and efficiently.

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Live preview

Advanced filters

Interactive elements

Instant setup

Custom animations

Theme editor

Install App

B&S ‑ Add Custom Code

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Seamlessly integrate custom code for enhanced online store functionality. Show more

B&S ‑ Add Custom Code is a powerful app designed to elevate your online store by enabling the seamless embedding of custom code. With this app, you can easily integrate essential codes for site verification from Google, domain verification from Facebook, and set up Google Analytics and Facebook Pixel to enhance your store’s analytics capabilities. The app allows you to incorporate custom CSS styles into both the head and body sections of your site, enhancing your store's design and functionality. Its intuitive interface ensures that users of all skill levels can manage these tasks with ease, eliminating the need for complicated modifications. The app efficiently handles multiple codes simultaneously, allowing you to add HTML, CSS, Liquid, JQuery, and Javascript code to your store. Whether you need to modify the body or header sections, B&S ‑ Add Custom Code provides a smooth and user-friendly experience tailored to meet your customization needs.

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Custom code integration

Site verification tools

Implement analytics tags

Custom css styles

Manage multiple codes

Code in header

Install App

PageSpeed & Image Optimiser

$19.9 / Month

(3.6/5)

80 Reviews

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Improve Page Speed for better SEO rankings & Conversion Rates Show more

Flash: Page Speed Optimization is a powerful tool designed to enhance the performance of your web pages by optimizing key speed metrics such as Largest Contentful Paint (LCP), First Input Delay (FID), and First Contentful Paint (FCP). The app effectively reduces unused Javascript from your site, which not only speeds up loading times but also boosts conversion rates and lowers bounce rates. With its user-friendly 1-click install feature, Flash requires no coding expertise, making it accessible to everyone. Users can benefit from continuous support available around the clock via Slack and email. By eliminating render-blocking resources, Flash significantly improves FCP while enhancing overall SEO rankings and speed metrics. With Flash, you can effortlessly improve core web vitals and ensure a fast, smooth user experience for all visitors.

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Faster loading times

Lower bounce rate

Reduce contentful paint

Minimize input delay

Unused javascript removal

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Rocket Page Speed Optimizer

$9 / Month

(4.2/5)

96 Reviews

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Improve Google Pagespeed Score, and Fix Search Console Errors Show more

Rocket Page Speed Optimizer is a powerful app designed to enhance your store's page speed seamlessly on both desktop and mobile devices without requiring any coding skills. By focusing on optimizing critical elements like Facebook Pixel, Klaviyo, Google Analytics, and Tag Manager, the app ensures significant improvements in your store’s performance metrics. It aligns with Google's core web vitals requirements by employing lazy-loading techniques for commonly used apps and analytics. The app’s single-click optimization feature makes it easy to improve page speed and includes live chat optimization for enhanced customer interactions. With 24x7 customer assistance, users can trust in constant support and troubleshooting. Additionally, the app offers an uncomplicated uninstall option, allowing for easy removal of app code from your theme whenever necessary.

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No coding required

One-click optimization

Automatic page optimization

Google core vitals

Lazy-loading apps

Desktop & mobile

Install App

GDPRify ‑ Smart GDPR Banner

$3-$19 / Month

7.6

55 Reviews

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Block Cookies and JavaScript with a geo-targeted GDPR banner. Show more

GDPRify - Smart GDPR Banner is a versatile app designed to help businesses manage their GDPR compliance effortlessly. With built-in audit logs, it allows users to keep detailed records of consent activities. The app offers flexible configuration options, such as hiding the banner for users outside the EU or after their first page view, enhancing user experience and potentially increasing sales. Its geolocation feature intelligently detects EU visitors, ensuring the banner is shown only where necessary. Professionally translated into all 23 EU languages, the app caters to a diverse audience. Additionally, GDPRify simplifies cookie policy management by automatically generating and hosting an external cookie policy for your site, ensuring compliance is as seamless as possible.

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Multilingual support

Geolocation detection

Block cookies

Geo-targeted banner

Consent logging

Automatic policy generation

Install App

CodeByHooks

8.2

1 Reviews

Claim Offer

Easily run scalable JavaScript code with BigCommerce webhooks. No servers needed. Show more

CodeByHooks revolutionizes the way you handle BigCommerce webhooks by eliminating the need for server management and framework installations. With this app, you can effortlessly run code in response to webhooks directly from the BigCommerce control panel, making custom integrations fast and easy to deploy. The built-in editor allows you to write JavaScript for the Node.js 16.X runtime, with access to the 'got' request library and the BigCommerce API, ensuring seamless integration possibilities. Designed to automatically scale based on demand, CodeByHooks runs functions only when triggered by a webhook, optimizing resource usage. Future updates will incorporate additional libraries to enhance connectivity with other third-party services. Experience hassle-free coding with a free 7-day trial and discover just how simple it is to craft custom integrations without server headaches. Sign up today to streamline your BigCommerce operations with CodeByHooks.

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Javascript coding

Fast deployment

Scalable functions

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EZ Add Custom Font

8.2

4 Reviews

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Upload custom fonts. Choose HTML tags to add custom fonts to Show more

EZ Add Custom Font is the perfect tool for anyone looking to enhance their Shopify store with custom typography. This user-friendly app allows you to easily add custom fonts to specific HTML tags, such as paragraphs or headings, without any programming or coding experience required. Whether you're looking to upload your own fonts or import Adobe fonts, EZ Add Custom Font streamlines the process, making it effortless to give your site a unique and branded appearance. The app provides a seamless experience for managing font applications, ensuring your store stands out with professional and customized aesthetics. Additionally, users can rely on first-class customer support, promising swift responses—typically within 24 hours or even 1-2 hours. Enhance your online store effortlessly with EZ Add Custom Font, and bring your brand's vision to life through tailored fonts.

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Upload custom fonts

Select html tags

Adobe fonts import

Install App

Custom Field Populator by Your Store Wizards

7.5

8 Reviews

Claim Offer

Automate and manage BigCommerce custom fields effortlessly with this app. Show more

Custom Field Populator by Your Store Wizards revolutionizes the management of custom fields in your BigCommerce store by automating and streamlining the entire process. This app simplifies the creation, editing, renaming, and deletion of custom fields, all from a user-friendly dashboard. With Custom Field Populator, you can set custom field rules, assign default values, and decide whether these fields should apply to all products or specific ones. The app supports CSV uploads for bulk management, making it easier to handle extensive product inventories. Once integrated, any new item added to your store will automatically get its custom fields populated, saving you valuable time and effort. This automation ensures you’ll never have to manually input custom fields again, allowing you to focus on other crucial aspects of running your online business.

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Automate custom fields

Csv field upload

Manage field rules

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Custom & Draft Orders For POS

$15 / Month

7.3

18 Reviews

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Create And Add Draft And Custom Orders Directly Within POS Show more

Custom & Draft Orders For POS is a powerful app designed to simplify the management of draft and custom orders within the Shopify POS system. It enables users to effortlessly create and add draft or custom orders, including line items, discounts, and customer information, directly to their Shopify POS cart. The app’s intuitive search feature allows for easy retrieval and status editing of these orders, which can then be seamlessly added to the POS cart and subsequently deleted post-checkout. Additionally, it offers flexibility by allowing custom services and products to be added to draft orders. Users can manage draft order workflows efficiently, making it ideal for businesses that deal with bespoke services and products. The app also supports viewing open, invoice-sent, and completed orders, further streamlining order management. By allowing the creation and editing of draft orders directly from the POS interface, it removes the need to toggle between the POS and the Shopify Admin, enhancing operational efficiency.

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Add discounts

Search orders

Create draft orders

Add custom orders

Edit draft statuses

Manage workflow status

Install App

ShopFields: POS Custom Fields

$7-$49 / Month

9.1

5 Reviews

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Capture custom data using point of sale custom fields. Show more

ShopFields: POS Custom Fields is a versatile app specifically designed for retail stores using Shopify POS. It allows staff to seamlessly collect additional customer information during checkout, such as membership numbers and preferences. This app enables the inclusion of custom data for specific line items, such as warranty numbers, referral codes, and product customization details. All the collected data is stored as order attributes or line item properties, providing easy access and facilitating reliable reporting. With the flexibility to create unlimited custom fields, businesses can enhance their data collection for a more personalized shopping experience. The app is easy to install and configure, ensuring a smooth transition for store staff without any disruption. By structuring custom data input, ShopFields reduces errors and boosts in-store data reliability, making it an indispensable tool for Shopify POS users.

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Easy setup

Structured data

Unlimited custom fields

Collect custom data

Line item details

Install App

Custom Invoice +

$16-$22 / Month

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Custom designed PDF invoices for orders to download for print. Show more

Custom Invoice + is a user-friendly application designed to simplify the invoicing process for businesses of all sizes. With its intuitive interface, users can swiftly create professional invoices, estimates, and receipts, ensuring timely and accurate billing. The app offers a range of customizable templates, allowing businesses to reflect their unique branding effortlessly. Users can manage client information, track payments, and generate detailed financial reports to maintain a clear overview of their finances. Integration with major accounting software helps streamline the bookkeeping process, enhancing productivity and reducing errors. Additionally, the app supports multiple currencies and tax configurations, catering to a global clientele. Custom Invoice + is the ideal tool for businesses seeking an efficient and flexible invoicing solution.

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Order printing

Custom pdf invoices

Personalized invoice design

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Custom Blend Options

$9.99-$29.99 / Month

Claim Offer

Create custom blends easily with real-time calculations. Show more

Custom Blend Options is a versatile app designed for merchants in the coffee, tea, flower, and custom tincture industries, allowing them to offer personalized product experiences to their customers. By using Blend Options, business owners can effortlessly introduce a variety of ingredients, empowering customers to create their desired blends with precise proportions. This app streamlines ingredient management, minimizes errors, and saves valuable time, enhancing operational efficiency. With features such as real-time calculations and seamless integration with product variations, it ensures accurate ingredient proportion and automatic adjustment of product sizes. Custom Blend Options helps businesses elevate their product offerings, enabling them to stand out in the competitive market by delivering unique, tailored products.

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Real-time calculations

Custom blend creation

Easy ingredient management

Integrate with variants

Install App

Bulk Custom Field Management by Optimum7

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Effortlessly manage product custom fields in bulk for BigCommerce stores. Show more

Bulk Custom Field Management by Optimum7 is an innovative tool designed specifically for BigCommerce store owners looking to streamline their product management processes. This app offers a powerful solution for creating and managing custom fields across multiple products simultaneously, significantly reducing the time and complexity involved. By eliminating the need to enter each field individually, users can organize large volumes of data efficiently and without the typical hassle. The intuitive interface and robust functionality make it easier than ever to implement bulk changes, enhancing productivity and store organization. Ideal for users who frequently use BigCommerce's built-in filters, this app simplifies custom field management, allowing for a more seamless and efficient workflow. Experience enhanced control and flexibility over your store's data alignment with the Bulk Custom Field Management app.

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Efficient data organization

Bulk field management

Effortless field creation

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Shopify Custom javascript apps

Related Categories

Price

Based on reviews

Showing 1 to 20 of 1 Apps

Script Inserter

JsRates: Custom Shipping Rates

MinifyMe ‑ File Optimizer

EZ Custom HTML

Iconaro ‑ Snappy Custom Icons

CodeUp ‑ Add Custom Code

Script Inserter

Mega HTML/CSS/JS Code Embed

B&S ‑ Add Custom Code

PageSpeed & Image Optimiser

Rocket Page Speed Optimizer

GDPRify ‑ Smart GDPR Banner

CodeByHooks

EZ Add Custom Font

Custom Field Populator by Your Store Wizards

Custom & Draft Orders For POS

ShopFields: POS Custom Fields

Custom Invoice +

Custom Blend Options

Bulk Custom Field Management by Optimum7