Business tools

11 free business tools.

Free local-first business tools for loans, compound interest, discounts, tips, VAT, profit margin, ROI, break-even planning, email signatures, invoices, and resumes.

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Business tool list

Loan CalculatorCalculate fixed-rate loan payments, total repayment, and interest locally in your browser.Local Compound Interest CalculatorProject compound growth from initial savings, monthly deposits, annual return, and time.Local Discount CalculatorCalculate discounts, savings, tax, and final sale totals locally in your browser.Local Tip CalculatorCalculate tip, tax, total bill, and per-person split locally.Local VAT CalculatorAdd or remove VAT and calculate net, VAT, and gross amounts locally.Local Email Signature GeneratorGenerate clean HTML and plain-text email signatures locally from simple fields.Local Invoice GeneratorGenerate a simple HTML invoice from client details, line items, tax, and totals.Local Resume BuilderBuild a clean text and HTML resume locally from structured career notes.Local Profit Margin CalculatorCalculate gross profit, profit margin, markup, revenue per unit, and profit per unit locally.Local ROI CalculatorCalculate ROI, net gain, return multiple, and annualized ROI locally.Local Break-even CalculatorCalculate break-even units, sales revenue, contribution margin, and target profit units locally.Local

Built for quick work

These tools are designed for short, repeated tasks where opening a full application would slow you down.

Privacy-first by default

Local tools run in the browser. Network tools are clearly marked when public web data has to be requested.