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Payment tools for modern businesses

Know your fees before you get paid

Zentoxo helps ecommerce founders, freelancers, and teams calculate payment processing fees across every major provider — fast, accurate, and free.

Featured Calculator

PayPal Fee Calculator

Enter your payment amount and see fees, net received, and the amount to request — updated instantly as you type.

PayPal Fee Calculator loading

Why choose Zentoxo

Built for sellers who need clarity on payment costs — not another spreadsheet.

Instant results

Every calculation runs in your browser. No sign-up, no waiting, no page reloads.

Accurate fee breakdowns

See percentage fees, fixed charges, net received, and reverse amounts in one view.

Built to scale

One engine powers every calculator. New providers plug in with a single config file.

Free and private

Your numbers stay on your device. No data is sent to a server — ever.

Calculator categories

Find the right tool based on how you accept and move money.

4 tools

Payment Processors

Card and online payment platforms for ecommerce and SaaS.

3 tools

Wallets & Payouts

Digital wallets and cross-border payout services.

3 tools

Regional Gateways

Specialized gateways for specific markets and business models.

Latest business resources

Practical guides on payment fees, pricing, and selling across borders.

View all articles
Profit Margins

How Payment Processing Fees Affect Profit Margins

Learn how payment processing fees impact profit margins and discover practical ways to protect your business profits.

·9 min read
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Payment Processors

Hidden Payment Processing Fees Most Businesses Miss

Learn about hidden payment processing fees that quietly reduce profits, including chargebacks, currency conversion costs, PCI compliance charges, refund fees, and other expenses businesses often overlook.

·13 min read
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Cross-Border Payments

International Payment Fees Explained

Understand why international payment fees cost more, how currency conversion works, and practical ways to reduce cross-border charges on your ecommerce sales.

·7 min read
Read more →

Frequently asked questions

Common questions about Zentoxo calculators.

Yes. Every calculator on Zentoxo is free with no account required. We plan to offer premium dashboards and API access later, but core calculators will always stay accessible.

Start calculating your payment fees today

Join thousands of sellers who use Zentoxo to price products, invoice clients, and compare providers — without the guesswork.