17 Best Squarespace Plugins For eCommerce

Boost sales. Improve UX. Keep customers coming back.

Squarespace makes it easy to launch a clean online store — but when it comes to serious eCommerce features, you’re gonna need a few upgrades.

This list covers the best plugins for turning a basic Squarespace site into a selling machine.

No code. No dev hours. Just plug and play.

1. Sync product images with variants

sync.gif

Make product selection idiot-proof.

If your variant images don’t sync when a customer clicks a color or size, they’ll bounce. This plugin fixes that.

✅ Match images to variant selection
✅ Eliminate confusion and friction
✅ Boost conversion rates

Sync Product Variant Images
$49.00

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

The plugin extends the built-in functionality of Product Variant Images:

  • Works in both directions (when you select an option or click on an image)

  • Works in Quick View

  • You can set which option(s) will change images

  • You can group thumbnails by selected option(s)

Demo:

Want to see the setup process before you buy?

Click to Watch Setup Video

Got any questions?

Check out FAQ and reviews below.

*Note the default spelling is Color but can be changed to Colour

Squarespace-Swatch-Plugin.jpeg

Shopify-style swatches. On Squarespace.

Let customers see what they’re choosing — colors, textures, patterns. Works great with the variant image sync.

Product Color/Image Swatch Variant Plugin
$59.00

The plugin supports both versions of Squarespace 7.0 and 7.1

Optimize your product variant displays on Squarespace with visual swatches, allowing customers to see color, size, and pattern options at a glance.

Features:

  • Replace traditional text dropdowns with interactive swatches.

  • Easily assign hex codes for colors, or use images to represent patterns and variations

  • Personalize the appearance of your swatches to maintain consistency with your brand

  • Benefit from continuous free email support

Want to see the setup process before you buy?

Click to Watch Setup Video

Got any questions?

Check out the FAQ and reviews below.

Looking for something special?

Check out these code snippets.

 
squarespace-commerce-plugin.png

Drive urgency with real-time inventory indicators.

“Only 3 left in stock” triggers way more checkouts than silence.

Squarespace Show Inventory Plugin
$19.00

The plugin supports both versions of Squarespace 7.0 and 7.1

The plugin displays the quantity left in stock for a selected variant. By default, the plugin is enabled on Product Page, but you can enable it on Products Page, in Product Block and in Product Quick View.

Features:

  • Ability to set a threshold after which the indicator will be visible

  • Ability to change a default template

  • Ability to change color and font size

Click to View Demo

Want to see the setup process before you buy?

Click to Watch Setup Video

Got any questions?

Check out the FAQ and reviews below.

Looking for something special?

Check out these code snippets.

 
Squarespace+Lightbox+Plugin.gif

Nobody wants to leave the page to check sizing. This plugin pops your size chart (or any extra info) in a slick lightbox.

Squarespace Lightbox Anything Plugin
$59.00

✅ Squarespace 7.0 and 7.1 compatible • ✅ All templates supported • ✅ Fully mobile responsive

⚠️ Important: Requires Squarespace Business Plan or higher for full functionality
💡 Personal Plan users can use alternative markdown method (see FAQ)

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.

Click to View Demo

Want to see the setup process before you buy?

▶️ Click to Watch Setup Video

Got any questions?

Check out the FAQ and reviews below.

Looking for additional customization?

Explore our code snippets for specialized options.

"This plugin is slick and very convenient to keep the clients on the same page and not open extra windows." – Jeremy

"Your Lightbox Anything Plugin was a godsend for an e-commerce client." – Vic H.

"Easy to install, works perfectly on desktop and mobile." – Jill G.

 
Related+Products.png

Upsell without lifting a finger.

Automatically show similar or related items using product tags.

Squarespace Related Posts and Products Plugin
$39.00

The plugin supports both versions of Squarespace 7.0 and 7.1

The plugin will automatically add a summary block if it finds related posts based on categories and tags of the current post. All options of Summary Block will be available for customization. The current post will be hidden.

Features:

  • Autoplay for the carousel design

  • Ability to show items in a random order

  • Ability to set the number of related posts to display

  • Ability to filter only by categories or tags

  • Current post is hidden

Click to View Demo

Want to see the setup process before you buy?

Click to Watch Setup Video (7.0 version)

Click to Watch Setup Video (7.1 version)

Got any questions?

Check out the FAQ and reviews below.

Looking for something special?

Check out these code snippets.

 
squarespace+review+plugin+(1).gif

Social proof sells. This plugin integrates Wiremo review widgets across your product pages.

✅ Free to use
✅ Fully styled for Squarespace
✅ SEO-boosting content


7. FOMO Sales Notifications

Add “X just purchased” popups to create real-time buyer energy. Works great for digital or physical products.

8. Squarespace Custom Cart Drawer

Upgrade the native Squarespace cart with a slide-out drawer. Cleaner, faster, more Shopify-like.

9. Custom Order Confirmation

Make the thank-you page do more than just say “thanks.”

Add upsells, next steps, or brand messaging to your post-checkout experience.

10. Lightbox Upsell Add-on

Trigger a product offer when someone adds to cart or hits checkout.

11. Referral Candy

Turn happy customers into a marketing channel. Squarespace-friendly referral system.

12. Mega Menu Plugin

Got lots of categories or collections? Make them easy to navigate with a flyout mega menu.

13. SEOSpace SEO Plugin

Yes, there’s finally a real SEO plugin for Squarespace.

14. Universal Filter Plugin

Let users filter by price, size, color, tag — all without needing a developer.

15. All-in-one Chat from Elfsight

Elfsight’s widget supports WhatsApp, Messenger, and more — so you never miss a lead.

16. Countdown Timer

Run limited-time offers, flash sales, or product launches with a simple embeddable timer.

17. Litcommerce for multichannel selling

List your Squarespace products on Amazon, Etsy, Walmart, and more.

 

Omari Harebin

Omari Harebin is the founder of SQSPThemes.com — a curated hub of tools, templates, and mentorship for Squarespace designers and developers. With over a decade in the ecosystem and nearly $2M in digital product sales, he helps creatives turn client work into scalable assets and more freedom in their business.

https://www.sqspthemes.com
Previous
Previous

Best Squarespace Hotel Booking Widget For Short Term Vacation Rentals

Next
Next

7 Questions Every Squarespace Designer Should Ask Themselves