TackOn: Cart Fees & Surcharges

Cart fees, surcharges & handling fees. Keep 100% revenue.

by Normalize · Launched: December 2025 · Free plan available.

5.0 (2) on Shopify Used by 1 Shopify stores Built for Shopify

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

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About TackOn: Cart Fees & Surcharges

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 fixed, percentage, or combined fee types to any cart Create product-specific surcharge rules with flexible conditions Multi-currency support through Shopify Markets integration Usage-based pricing — only pay for orders where fees apply Keep 100% of collected fees — zero commission or revenue share Show more Show less

Last verified: July 16, 2026 · Fresh