10 / 36

All tools

Every VoltKit tool, filterable by category. All run locally in your browser.

Monthly payment, total interest and a full amortization schedule.

EMI, total interest and repayment schedule for any loan.

What is X% of Y, percent change, and reverse percentages.

Real-time FX + crypto rates with an FX margin calculator.

Stripe, PayPal, Wise, Razorpay fees + FX conversion cost.

Marketplace fees, ads, shipping → true profit and sale price.

Exact Stripe fees, net payout and FX cost per transaction.

PayPal fees, cross-border cost and FX margin per payment.

Monthly SIP, lump sum and step-up returns with a growth chart.

See savings grow with monthly deposits and a growth chart.