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TackOn: Cart Fees & Surcharges logo

TackOn: Cart Fees & Surcharges

Develop by Shopify

$5

/ Month
Free plan available 30 Days Free Trial

Add customizable cart fees; easy opt-in widget for diverse surcharges.

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About TackOn: Cart Fees & Surcharges

Launched Dec 10, 2025

Categories

Upsell and cross-sell

Built by Shopify

Address

SOUTH SAN FRANCISCO, CA, US

Website Support Portal Privacy policy Tutorial FAQ Document
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Description

Add cart fees, surcharges & handling charges. Customers opt-in. You keep 100% of revenue.

Add cart surcharges, handling fees, and extra charges to Shopify checkout. Use for processing fees, expedited shipping, rush orders, shipping insurance, gift wrap service, tip collection, donation box, environmental fees, fragile item handling, oversized product charges, and custom service fees. Customers choose to add fees with an opt-in toggle. Keep 100% of revenue—zero commission or revenue sharing. Compatible with slide cart, cart drawer, cart page, and all Online Store 2.0 themes.

Add cart surcharges, handling fees, and extra charges to Shopify checkout. Use for processing fees, expedited shipping, rush orders, shipping insurance, gift wrap service, tip collection, donation box, environmental fees, fragile item handling, oversized product charges, and custom service fees. Customers choose to add fees with an opt-in toggle. Keep 100% of revenue—zero commission or revenue sharing. Compatible with slide cart, cart drawer, cart page, and all Online Store 2.0 themes. more
  • Add fixed, percentage, or combined fee types to any cart
  • Create product-specific surcharge rules with flexible conditions
  • Multi-currency support through Shopify Markets integration
  • Clean install/uninstall using theme app extensions
  • Fully customizable to match your brand

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