documents
Financial Documents
Create professional invoices and receipts locally, then print or export them.
Explore Financial Documents →PRIVATE BY DESIGN · BUILT FOR DECISIONS
Business & finance calculators
Choose a category, then use a focused calculator with transparent formulas and locally processed data.
taxes
Tax & Fees
Calculate VAT, tips, and other transaction costs.
Explore Tax & Fees →currency
Currency
Convert currencies using current reference exchange rates.
Explore Currency →business
Business & Pricing
Analyze margins, pricing, unit costs, discounts, and break-even points.
Explore Business & Pricing →marketing
Marketing Performance
Measure advertising efficiency, traffic engagement, and acquisition cost.
Explore Marketing Performance →saas
SaaS & Startup Metrics
Track recurring revenue, retention, customer value, burn, and runway.
Explore SaaS & Startup Metrics →salary
Salary
Convert an hourly rate into weekly, monthly, and annual pay estimates.
Explore Salary →loans
Loans
Estimate monthly loan payments, total repayment, and interest.
Explore Loans →Your values are processed locally in your browser and are not uploaded to our servers.