Tools

Small tools, shipped in the open.

Calculators and planners that run in your browser. Inputs can be saved locally on this device - signed-in sync comes later.

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Ecommerce

Marketing budgets, ad spend forecasts, ROAS, and store economics.

Marketing budget planner
Plan channel budgets, CPC, and conversion assumptions before you spend.
Ecommerce ROAS calculator
Break-even ROAS, profit, and spend targets from margin assumptions.
Shopify fee calculator
Per-order and monthly Shopify fees: card processing, platform cut, and VAT.