Best Free Squarespace Plugins (2025 Edition)

Squarespace may not have an official plugin marketplace, but that doesn’t mean you’re stuck with default features.
There’s a growing ecosystem of trusted, free plugins and code snippets that help you improve SEO, design, e-commerce, analytics, and user experience — no coding required (unless you want to).

Below is a handpicked list of the best truly free Squarespace plugins and tools available right now.

🔍 SEO & Analytics

SEOSpace (Chrome Extension)

A Yoast-style SEO tool for Squarespace.

• Optimize meta titles, alt text, internal links, and more

• Includes audit checklists and recommendations

• Works directly in your browser
  🔗 Get it from SEOSpace

Visitor Counter (Elfsight)

Display a live “visitor count” on your site.

• Adds social proof and curiosity

• Embed via code block or Code Injection
  🔗 Get it from Elfsight

🎨 Design & UI Enhancements

Announcement Bar Button (GhostPlugins)

Turn your announcement bar into a clickable CTA.

• Adds a custom-styled button to the top bar

• Works on 7.0 and 7.1
  🔗 Get it from GhostPlugins

Back-to-Top Button (Will Myers)

Improve navigation on long pages with a floating arrow.

• Fully customizable

• Copy/paste install
  🔗 Will Myers – Free Plugins

Solid Underline Headings (GhostPlugins)

Adds branded, bold underlines to your headers using CSS.

• Works with all templates
  🔗 Get it from GhostPlugins

Smooth Scrolling & Custom Bullets (Rising Tide Creatives)

Enhance user experience with subtle CSS upgrades.

• Smooth scrolling anchor links

• Stylish custom bullet points
  🔗 Rising Tide Creatives

📣 Social Media & Engagement

Facebook Messenger Chat (Elfsight or Facebook)

Add real-time live chat to your site via Messenger.

• Connects directly to your FB inbox

• Custom bubble design
  🔗 Elfsight Chat Widget

🧩 Universal Functionality Plugins

Common Ninja Free Widgets

A powerful suite of free embeddable tools:

• Sliders, countdowns, comparison tables, testimonials, more
  🔗 Explore at Common Ninja

Spark Plugin Free Tools

Beautiful UI blocks and page upgrades:

• Mega menus, pricing tables, carousel sliders

• Copy-paste code with built-in styling
  🔗 Spark Plugin – Free Tools

🛠 Admin & Productivity Tools

Beyondspace Admin Enhancers

Custom tools that improve your back-end workflow:

• Classic Gallery Block for 7.1

• Blog Publish Datepicker

• Quick Access Toolbar

• Requires Tampermonkey
  🔗 Get them from Beyondspace

🧪 How to Install Free Squarespace Plugins

Most free plugins use one of two methods:

1. Code Injection:
   Go to Settings → Advanced → Code Injection

2. Code Blocks:
   Add the script directly to a specific page or section

✅ Always test plugins in preview mode
✅ Don’t overload your site — keep it lean
✅ Use CSS tweaks for visual adjustments

Bonus:
Looking for premium Squarespace plugins?
Check out SQSPThemes Pro Plugins — trusted by 17,000+ users.