Free tools

Calculators for the numbers this site keeps talking about. Everything runs in your browser — nothing you type is sent anywhere.

• Ad Revenue Simulator

  Estimate what a given amount of traffic pays, by topic and region.

• AI Tool Cost Comparator

  Work out whether pay-per-use API access beats a flat subscription.

• Break-even Calculator

  Find how many sales cover your costs — and what your hour is worth.