Simulate startup cash runway based on monthly burn, revenue growth, and bank balance.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. Zero egress.
Zero network latency. Operates completely offline with zero dependencies on third-party backend servers or cloud services.
Built according to official RFC specifications, cryptographic test vectors, and enterprise-grade data transformation standards.
Input total current cash balance.
Input gross monthly burn and current MRR.
Adjust month-over-month revenue growth percentage.
A startup is Default Alive if its projected revenue growth will reach profitability before running out of current cash.
Increasing MRR each month narrows net burn, compounding the months of cash remaining.
Zero-egress companion tools in the Calculators suite
Solve percentage increases, decreases, fractions, and discounts.
Calculate future investment value with recurring contributions.
Calculate monthly payments, total interest, and amortization schedule.
Calculate your monthly mortgage payments and total interest easily.