Know exactly what you keep on every sale — calculate PayPal and Stripe fees, sales tax, discounts, margins and unit prices before you list.
Everything a student needs to stay on top of grades, deadlines and study time — free online calculators that run right in your browser with no registration.
Run your freelance business like a pro: generate professional invoices, price your time correctly, and understand taxes and fees — all with free tools.
A growing toolbox for developers: format, validate and convert code, build regex patterns, generate UUIDs and commit messages — fast, private and free.
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Enter the sale amount into the PayPal fee calculator to see the exact fee and what you keep, including cross-border and currency conversion rates.
Use the margin calculator with your cost and desired profit, and the unit price calculator to compare pack sizes and set competitive prices.
The sales tax calculator computes tax amounts and tax-inclusive totals for any rate, so your listed prices stay accurate.
Yes. The QR code generator creates product, payment or storefront QR codes clients can scan from any device.