Business Tools
Invoices, margins, break-even and pricing.
20 free tools · no sign-up · runs in your browser
Create a clean, printable invoice with line items, tax and totals.
Calculate profit, profit margin and markup from cost and selling price.
Turn cost and markup % into a selling price, profit and margin.
Find how many units you must sell to cover fixed and variable costs.
Calculate return on investment, net gain and annualized ROI.
Work out commission earned and total pay from sales and rate.
Find the hourly rate you need to hit your income goal.
Calculate compound annual growth rate between two values over time.
Calculate Stripe, PayPal and Square fees and what you'll actually receive.
Estimate customer lifetime value (CLV) from spend, frequency and margin.
Calculate average order value (AOV) from revenue and order count.
Create bar, line, pie and more charts from your data and export a PNG.
Convert a JSON array of objects into a downloadable .xlsx file.
Write with Markdown and export a real .docx Word file.
Convert Excel/CSV spreadsheets to JSON — choose the sheet, copy the result.
Convert Excel workbooks to CSV, one sheet at a time.
Turn CSV data into a downloadable .xlsx Excel workbook.
Build a professional CV from your details with modern, classic and minimal templates, and export a PDF.
See what a meeting really costs in salaries, with a live cost meter.
Design a clean business card and export a print-ready PDF.
About Business Tools
Invoices, margins, break-even and pricing. All 20 tools in this collection are free and run entirely in your browser — there's no sign-up, nothing to install, and your data never leaves your device. Pick a tool above to get started, or read the step-by-step how-to guides for each one.
Frequently asked questions
Are these business tools free?＋
Yes — every tool in the Business Tools collection is completely free, with no sign-up, no watermark and no limits on the core features.
Do the business tools work on mobile?＋
Yes. They run in any modern web browser on phone, tablet or desktop, and many keep working offline once you've opened them.
Is my data safe?＋
Yes — these tools run entirely in your browser, so your files, text and data are processed locally and never uploaded to a server.