Every tool you need.
Nothing you don't.

JSON Formatter

Format and validate JSON instantly in your browser.

Base64 Encoder / Decoder

Encode and decode Base64 strings instantly.

JWT Decoder

Decode and inspect JWT tokens instantly without a server.

Regex Tester

Test and debug regular expressions in real time.

Password Generator

Generate strong secure passwords instantly.

Mortgage Calculator

Calculate your monthly mortgage payment including principal, interest, taxes and insurance.

Compound Interest Calculator

Calculate how your investment grows over time with compound interest and monthly contributions.

Loan Calculator

Calculate monthly payments, total interest and amortization for any loan type.

Salary Calculator

Convert salary between hourly, weekly, monthly and annual rates. Calculate raise amounts instantly.

Tip Calculator

Calculate tip amount and split the bill instantly. Perfect for restaurants and group dining.

Discount Calculator

Calculate sale prices and savings instantly. Find out how much you save on any discount.

Percentage Calculator

Calculate any percentage instantly. Three different percentage calculators in one.

ROI Calculator

Calculate return on investment, total profit and annualized returns instantly.

VAT Calculator

Add or remove VAT and GST from any price instantly. Supports UK, EU, Australia, Canada and more.

Profit Margin Calculator

Calculate profit margin, markup and selling price for any product or service.