Most Useful Squarespace Plugins of 2025

Squarespace is a well-known platform with beautiful templates and a user-friendly interface. It gives people and companies the tools to build beautiful sites without having to know too much about coding. Yet even with a well-stocked suite of built-in tools, occasionally you need a bit of extra juice to really propel your site forward. This is where the magic of Squarespace plugins (also known as extensions in some circles) comes into play. This ultimate reference explores the top Squarespace plugins of 2025 by type, so you can select the ideal tools to enhance your site.

Disclaimer: The landscape of Squarespace plugins is in continuous flux. New plugins are launched, some are updated, and compatibility can vary. Please note that this archive may be out of date, and you should always check on Squarespace Extensions Marketplace for the latest best options available for your version of Squarespace.

What does plugins mean in the context of the Squarespace platform?

So, what are Squarespace plugins? They are third-party tools that take the platform to the next level by enhancing its default capabilities. It lets users specify advanced SEO features, design elements, marketing tools, and security enhancements without any coding.

Why You Should Care About Squarespace Plugins?

Customization – Take website design beyond your built-in options

SEO Optimization – Structured data, meta tags, and speed optimizations to support rankings

E-commerce Expansion – Improve your online store with features like abandoned cart recovery and improved checkout flows.

User Engagement – Enhance UX with interactive features, including live chat and pop-ups.

Security & Compliance — Keep user data safe and follow GDPR.

How We Chose the Best Squarespace Plugins

So consider the following points before you install any plugin:

Compatibility

  • Check that the plugin is compatible with your Squarespace version and template.

  • Certain third-party plugins need to inject custom code.

Performance & Speed

  • Heavier plugins will slow down your page load.

  • Speed is improved with image optimization and caching tools.

SEO Benefits

  • Meta tags, structured data, and indexing controls must be both supported by plugins and easily identifiable by crawlers.

  • Steer clear of plugins that produce bloated code.

Security & Reliability

  • Use only trusted plugin developers who update their products regularly.

  • Check for the existence of SSL and other security features.

Pricing & Support

  • While free plugins are helpful, premium ones will provide you with greater support and updates.

  • Make sure the developer provides documentation and customer support.

Universal Filter Plugin*

 
 
Universal Filter Plugin*
 

$74.00

Filter and sort any data on your Squarespace site:

List Collections: Category, Tags, Dropdowns, Price, Title, Search Field

Blocks: Blogs, Products, Gallery, Events, Albums

Easy to install, flexible, customizable, and supports Squarespace 7.0 and Squarespace 7.1.

Lightbox Anything Plugin*

Lightbox Anything Plugin*

$59.00

The plugin supports Squarespace 7.0 and 7.1

Transform your Squarespace site with engaging pop-ups linked to buttons, images, and galleries—all created effortlessly.

Why Choose Lightbox Anything?

  • Effortless Customization
    Set up beautiful lightboxes with no coding required. Match your brand effortlessly with a built-in CSS generator that keeps your design cohesive and professional.

  • Versatile Content Display
    Create visually engaging displays for team bios, portfolios, product details, and more. Lightboxes enhance user experience, guiding visitors through important content in a seamless, focused way.

  • Conversion-Optimized Add-Ons
    Increase engagement and conversions with additional add-ons for upsells, promos, and gated content—perfect for boosting your site's effectiveness with minimal effort.

  • Dedicated Support
    Enjoy peace of mind with our responsive support team. Get personalized assistance within 24 hours for a seamless experience.

Squarespace Sidebar Plugin*

 
Squarespace Sidebar Plugin
 

$59.00

The plugin supports both versions of Squarespace 7.0 and 7.1 and works on all templates.

Effortlessly enhance your Squarespace website by adding a fully customizable sidebar to any template.

Features:

  • Streamline content organization with an easily created page for your sidebar that this plugin will activate site-wide.

  • Optimize the layout with adjustable width, position, and margins; plus, you have the ability to make your sidebar sticky for greater accessibility.

  • Easy to install and customize

  • Change styles without special knowledge

  • Change styles for a specific sidebar without affecting others

  • Ability to add two sidebars on one page

  • Options to show or hide the sidebar on specific pages

Squarespace Mega Menu*

 
Squarespace Mega Menu
 

$25.00single-use license

$60.00multi-use license

$20 / $48 for Code Curious members

Easily add a Mega Menu to your Squarespace 7.1 website to extend your website’s navigation. With simple copy-and-paste code and a clear installation video, you'll be up and running in no time.

LiveChat Plugin*

 
LiveChat Plugin
 

LiveChat is a comprehensive customer service platform that delights your customers and boosts your sales. It's a highly sought-after plugin among my custom web design clients!

+ Price: $16.99/month - $59/month
+ Compatible With: Squarespace 7.0 and Squarespace 7.1

Secondary Navigation for Squarespace 7.1

Secondary Navigation for Squarespace 7.1

$25.00single-use license

$60.00multi-use license

$20 / $48 for Code Curious members

See Demo

Features

✓ 3 different positions
✓ Fully Customizable
✓ Includes Logo, Site Title, Links, Dropdowns, Social Links, CTA Button, Cart, (Not Language Switcher)
✓ Easy to Hand-off
✓ Multiple Styles
✓ Mobile Friendly

Compatibility

Compatible With:

  • Squarespace Business plans and higher (not Personal plans)

  • All Squarespace 7.1 Websites

  • Fluid Engine Compatible

License

Single License - Allowed for use on a single website.

Multi-Use License - Allowed for use on unlimited websites and in Squarespace Templates for sale.

Support

Our support services are provided on a best-effort basis for the first 60 days after purchase.

We offer support for universal technical issues related to this plugin but not for individualized installation, customization, or development services beyond what's presented on the installation page.

We can't guarantee compatibility with other plugins or third-party software.

Ghost_plugins’ Aiko Testimonial Slider

Aiko Testimonial slider

Ghost’s Aiko Testimonial Slider plugin provides so many customizable options that it is easy to make a simple change in how your customer reviews and testimonials are displayed. This should give you a very simple way of giving your squarespace site a bit of a boost with presentation, the setup instructions are easy and it involves virtually no CSS/Code Injection.

Because customer testimonials are an effective marketing tool, this plugin allows you to use them dynamically, enhancing the personal touch and stylish layout of your Squarespace site. Compatible with 7.0 (Brine) and 7.1 Squarespace. **

sparkplugin

 
spark Plugin
 

Why is this a must-have? Subtle animations add polish and elevate your website's design. Spark lets you easily add scroll effects, fades, and other eye-catching animations without wrestling with complex code, making your site stand out from the crowd.

Price: $ 11 per month and up

Compatibility: Squarespace 7.1 | Business Plan or above

squarekicker

 
square kiker
 

The plugin SquareKicker is awesome, so use this one to add custom styles for almost every element of Squarespace site, no writing code. The potential is endless! Just download and install SquareKicker to unlock powerful capabilities such as split screen layouts, horizontal scrolling, sticky blocks and so much more! And your changes are saved even if you later cancel your subscription, a big plus for the budget-conscious.

Price: Plans start at $12 a month for annual ones, and go up to $69 for agency plans.

Compatible with Squarespace 7.1 | Business Plan or above

Promotional Pop-up 2.0

 
Promotional Popup
 

We’re so proud to present Promotional Pop-Up 2.0, the ULTIMATE popup plugin for Squarespace. It lets you display different popups on different pages of the website, show popups only to people who visit using a URL that has a specific UTM code, set your popup to start showing from a certain date and so much more!

Price: $40

Compatibility: Squarespace 7.1 Business Plan or Up

Monocle Site Search

 
Monocle Site Search
 

What It Does: Enhance Squarespace’s built-in search with faster, smarter and more customizable functionality.

Why You Need It: A robust search tool is a great user experience; it allows visitors to quickly find what they want. This is critical for content-rich or product-driven sites.

Features: Customization of search results, optimization of speed, integration with Squarespace.

Pricing: $49


Frequently Asked Questions (FAQs)

Q: Which Squarespace plugin are the best for SEO?

A: Shopify apps such as Smart SEO, Lazy Load, XML Sitemap Pro, and Alt Text Generator.

Q: Can I add third-party plugins on Squarespace?

A: Yes, although a few need custom code injections.

Q: Is it safe to use Squarespace plugins?

A: Reliable developers will create safe plugins, though, so reading reviews is wise.

Walid Hasan

I'm a Professional Web developer and Certified Squarespace Expert. I have designed 1500+ Squarespace websites in the last 10 years for my clients all over the world with 100% satisfaction. I'm able to develop websites and custom modules with a high level of complexity.

If you need a website for your business, just reach out to me. We'll schedule a call to discuss this further :)

https://www.squareko.com/
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