Best Conversion Plugins for Squarespace Stores (Ranked 2025)
If you're looking for plugins to improve conversion rates on your Squarespace store, you've probably noticed the options are more limited than Shopify. That's not a reason to give up — it's a reason to be selective. The right conversion plugin does real, measurable work. The wrong one adds clutter and hurts the experience you've worked hard to build.
Here are the best conversion plugins for Squarespace stores in 2025, ranked by impact.
1. UpsellGrow — Upsells, Cross-Sells and Bundles
What it does: Adds cross-sell, bundle, and frequently bought together offers across five pages and 19 positions in your Squarespace store. Includes a slide-out cart drawer, a visual condition builder, and a full analytics dashboard.
Conversion impact: Increases both conversion rate (more items per session = more committed checkout intent) and average order value (more revenue per converted customer). Among the highest-ROI additions you can make to a Squarespace store.
Best for: Any store that wants to increase revenue from existing traffic without changing the store design or checkout flow.
Pricing: Free plan (1 offer), $17/month Growth, $29/month Scale.
2. WishlistFlow — Wishlist and Save for Later
What it does: Lets customers save products to a wishlist, share the list, and receive back-in-stock and price drop notifications. Captures purchase intent from customers who aren't ready to buy yet.
Conversion impact: Recovers potential sales from customers who leave without buying. Wishlist reminders and price drop alerts bring those customers back to complete the purchase.
Best for: Fashion, home, lifestyle, and any store where customers frequently browse without buying immediately.
3. QuotePlugin — Quote Requests for Custom and B2B Orders
What it does: Adds a "Request a Quote" button to product pages, letting customers submit quote requests for custom orders, bulk pricing, or B2B inquiries. Inquiry lands in your inbox with full product context.
Conversion impact: Converts high-value customers who won't buy at a fixed price into leads you can close manually. Particularly valuable for custom products, high-ticket items, and trade/wholesale customers.
Best for: Stores with custom orders, B2B customers, rental businesses, or high-ticket products.
4. Native Squarespace Tools Worth Optimizing
Beyond plugins, several native Squarespace features directly affect conversion rate:
Product reviews: Enable them, display them prominently, and respond to negative ones. Trust is the biggest conversion driver for new visitors.
Announcement bar: Display free shipping thresholds, limited-time offers, or trust signals. Visible on every page without cluttering the design.
Inventory signals: Showing low stock on product pages creates genuine urgency for products that actually are running low.
5. Email Marketing Integration (Klaviyo, Mailchimp)
Not a Squarespace plugin per se, but email marketing integration is one of the highest-ROI conversion tools available. Abandoned cart emails (where Squarespace supports them), welcome sequences, and post-purchase follow-ups all contribute directly to conversion and repeat purchase rates.
The Bottom Line
For most Squarespace stores, the highest-return conversion investment is UpsellGrow — because it captures revenue from customers who are already buying, at the moment they're most open to spending more. The other tools on this list address different parts of the conversion funnel and are worth considering depending on your store's specific profile.
Start with the conversion problems that cost you the most revenue, and match the tool to the problem.
Ready to Start Earning More From Every Order?
UpsellGrow adds upsells, cross-sells, bundles, and frequently bought together offers to your Squarespace store — across 5 pages and 19 positions. No coding. Setup takes minutes.