Freelance & Business Tools
Calculators and generators designed specifically to help freelancers manage their business, estimate taxes, and bill clients efficiently.
Upwork Fee Calc
Calculate exactly how much you'll take home after Upwork fees.
Pomodoro Tracker
Track your work sprints and watch your billable earnings rise.
Rate Calculator
Calculate your ideal hourly rate based on living expenses.
Time Tracker
Simple privacy-first time tracker for freelance projects.
Contract Builder
Generate standard freelance contracts and NDAs.
Payment Fee Calc
Calculate Stripe and PayPal fees for international B2B billing.
SaaS Metrics
Visualize churn rate, LTV, and CAC for subscription apps.
Date Calculator
Calculate exact duration between dates or add/subtract time.
Time Card Calc
Calculate total weekly hours and overtime pay.
Hours Calculator
Calculate exact work hours and convert to payroll decimals.
Invoice Generator
Create and download professional PDF invoices locally.
What people are saying
"I used to paste my client rates into three different fee calculators before finding this one. Knowing that my pricing and client data stays in my browser — not sitting on someone's database — means I can calculate without worrying about who's watching."
Sarah K.
Freelance UX Designer
"The Upwork fee calculator finally showed me what I'm actually taking home after all the cuts. I repriced every single one of my services that same afternoon. And no — I didn't have to create yet another account to use it."
Tony V.
Freelance Copywriter
"I use the invoice generator and time tracker almost daily. The fact that my client billing data never touches a server is a huge deal when you're handling corporate contracts. It's the tool stack I recommend to every freelancer I mentor."
Natasha R.
Independent Marketing Consultant
Free freelance calculators for independent contractors — from reverse salary and hourly rate calculations to invoice generation and platform fee estimators. Built for people who work for themselves.
Frequently Asked Questions
What freelance tools are available?
Freelance reverse salary calculator, hourly rate calculator, invoice generator, Upwork fee calculator, payment fee calculator, and contract builder.
How does the reverse salary calculator work?
It converts a target annual income into the hourly rate you need to charge, accounting for unpaid vacation, taxes, and benefits you cover yourself.
Can I generate real invoices here?
Yes — the invoice generator produces a printable, downloadable PDF invoice. No account required.
Do these tools work offline?
Yes. After the page loads, all calculations run client-side with no internet connection required.