Checkout Blocks & Customizer

Develop by Shopify

Free plan available

Checkout rules,checkout extensions,functions & checkout blocks

Show clickable coupons

Gather essential data

Customize content dynamically

Modify line items

Payment gateway management

Exclusive prepaid discounts

Display elements conditionally

Single-click coupon apply

Customer item modifications

About Checkout Blocks & Customizer

Launched May 08, 2023

Built by Shopify

Address

Haralds Vaenge 21, Vedbaek, 2950, DK

Website Support Portal Privacy policy Tutorial FAQ Document

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Description

Convert your checkout into a conversion engine with custom checkout rules, fields and customizer.

Customize your Shopify Plus Checkout with banners, promo code blocks, cart editing, custom fields and smart checkout rules. Add trust messages, show offers, collect GST/VAT and guide customers with powerful checkout blocks. Built on Shopify Checkout Extensibility to improve clarity, reduce drop-offs and boost conversion for Plus merchants.

Add banners and messages to boost trust and conversions at checkout.
Checkout Cart Editing (change quantity, remove items,change variants).
Display available discount codes inside checkout to reduce drop-offs.
Collect GST/VAT, notes or any custom fields during checkout.
Hide or reorder payment options with advanced checkout logic.

Pros

Instantly showcase clickable coupons to entice customers
Easily gather essential data from shoppers, ensuring a personalized journey
Customize content on-the-fly based on e-commerce scenarios
Modify line items on checkout
Option to hide and reorder payment gateways according to merchant preferences
Offer exclusive prepaid discounts when customers opt for specific online payment methods
Display images, banners, and text on any part of the checkout with predefined rules
Single-click coupon list at checkout for easy application by customers
Allow customers to modify item quantities, remove items, or change variants without leaving the checkout page
Collect extra information from customers (eg, VAT number, GST number, delivery date, surveys)
Unlimited options to hide and reorder payment gateways based on multiple conditions
Support is super responsive and quick to release new features

Cons

Potential for clutter if too many customizations and options are used
Dependency on the app's support for handling complex or edge cases

Top Helpful Reviews

Love Beauty & Planet

Jan 07, 2026 on Shopify

Great checkout customization app! This app makes it incredibly easy to customize the Shopify checkout without any coding. Adding banners, upsells, custom fields and checkout rules is straightforward and effective. It’s helped improve our checkout experience and conversions, and the support team is responsive and helpful. Highly recommended for any store wanting more control over checkout.

Kerala Ayurveda US

Jun 13, 2025 on Shopify

Great app to customise the checkout experience. Showing promo codes, adding fields, and reordering payment options have really helped improve conversions. Also love the ability to collect VAT/GST info and encourage prepaid payments with exclusive offers. Works well with Shopify Checkout. Highly recommend!

Sri Sri Tattva

Jun 13, 2025 on Shopify

We've been using this app for a while, and its features are truly impressive. Support team is very helpful. Highly recommend it to anyone looking to level up their checkout experience.

United Colors of Benetton Store

Jun 10, 2025 on Shopify

We've been using this app for a while now and continue to be impressed by the range of checkout features it offers. Setting up each feature takes just minutes, and everything is incredibly easy to use. The support team is also responsive and always ready to help. Highly recommend it to anyone looking to streamline and elevate their Shopify checkout experience.

MyBorosil

May 27, 2025 on Shopify

This app made it so easy to customize our Shopify Checkout without any coding. It’s packed with features like banners, upsells, smart discounts, custom input fields and more. The GST verification and upsell we added has been especially helpful for our store. The support team is also fast and helpful whenever we need them. Super user-friendly and full of value -highly recommended for any store looking to enhance the checkout experience.

Surat supplier

May 17, 2024 on Shopify

This app offered really nice features, including Pre-paid discount, which no other app did. Also, support is super responsive and quick to release features, and helped even with some edge cases