SaaS metrics, AI cost estimators and more.
9 tools
Calculate LTV, CAC, Churn and runway.
Count tokens and estimate API costs across models.
Estimate token count and per-model API costs for GPT-4o, Claude, and more.
Track parallel market FX rates and calculate arbitrage opportunities.
Calculate the erosion of cash purchasing power over time.
Calculate return on investment and compound growth with contributions.
Calculate monthly payments and loan amortization breakdowns.
Generate professional-grade, custom-branded invoices and download them as PDF files locally.
Create custom-branded business letterheads with live A4 preview and instant client-side PDF export.