KettleHour is a set of free tools for freelancers and solo consultants: an invoice generator that downloads a clean PDF, an hourly rate calculator, contract rate vs salary, tax set-aside, retainer pricing, billable hours, a cross-border payment fee comparison (Wise, PayPal, Payoneer, bank wire), a scope of work generator and a contract clause library. Everything runs in your browser: no account, nothing uploaded, your figures stay on your device. Rate calculators for 22 professions.