Sell customized products with Customily, a high-converting product personalizer and customizer for ecommerce. Works for print on demand, engraved jewelry, custom apparel, personalized gifts, laser-cut items, and beyond. Let shoppers customize and personalize products in real time using text, photos, calendars, AI filters, and more, with live preview customization they will trust and love. Automatically customize orders, generate print-ready files, and scale customization with top POD providers.

Go beyond the basics with the Klaviyo marketing app. New stores get a guided setup — sign-up form, welcome email, and abandoned-checkout flow — without leaving Shopify Admin. Unify data from 350+ integrations and boost marketing performance with campaigns, smart segmentation, and automated workflows from Klaviyo’s AI Agents. Over 117k brands use Klaviyo and Shopify to grow faster with personalized emails, SMS, WhatsApp messages, and marketing automation tools that turn browsers into buyers.

Create professional-looking forms with no coding using Powerful Contact Form Builder. Integrated with many 3rd party applications like Mailchimp, Klavio, Ominisend, Sendinblue, Google Calendar... Easy to display custom form on any pages such as: product page, collection page, cart page, home page, etc. Let your customers upload file or image when they submit your form. Create "form upload" is very easy with Powerful Form Builder app. Custom your registration form with custom fields.

Inbox puts an AI-powered sales associate on your storefront. Buyers can ask questions and get help finding the right products from your catalog. When buyers sign in with Shop, your Inbox agent can personalize replies using their preferences and purchase history from across Shopify. Run Inbox with or without the agent. Inbox learns from your catalog, policies, and store content while you control its tone, style, and rules.

Biscuits Bundles is a BYOB bundle builder for mix and match products. Let customers build your own bundle or build a box product bundles with mix and match bundle discounts. Pricing rules like volume discounts, quantity breaks, fixed pricing, or percentage off. Control selection quantity limits per step. Perfect for mix and match product bundles, product bundles customizable, personalised kits & mix and match bundle gift sets. Localise pricing and language with Shopify Markets catalog support.