Business Tools
Create documents and calculate practical finance, pricing, payroll, and SaaS metrics. 100% free, private tools processing locally inside your browser memory.

Available Business Utilities (12)
Margin & Markup
Profit margin and markup calculations.
VAT / Tax Calculator
Add or remove VAT/sales tax from any amount.
Meeting Cost
How much does that meeting really cost?
Invoice Generator
Client-side invoice generator with print/PDF export.
Break-Even & Runway
Calculate unit economics, break-even sales volume, and runway.
Loan Amortization
Loan paydown schedule, total interest, and PMT calculator.
SaaS Unit Economics
Calculate CAC, LTV, Churn Rate, MRR, and ARR.
CSV / Excel Editor
Open, edit, search, and export .xlsx and .csv files.
Quote & Estimate Builder
Professional client price proposals and estimates.
Purchase Order Builder
Generate standardized PO forms with print/PDF export.
Salary & Net Pay
Calculate net take-home pay after taxes and deductions.
Timesheet & Hours Log
Weekly work hours log, billable time, and CSV export.
Common Use Cases
- Build invoices, quotes, and purchase orders
- Model loans and break-even points
- Calculate margins, VAT, and SaaS metrics
Frequently Asked Questions
Is business data stored?
No. Entered values remain in the browser.
Is this financial advice?
No. These tools provide estimates that should be verified for important decisions.