All Tools

Format and validate JSON instantly in your browser.

Encode and decode Base64 strings instantly.

Decode and inspect JWT tokens instantly without a server.

Generate unique UUIDs v1 and v4 instantly.

Test and debug regular expressions in real time.

Generate strong secure passwords instantly.

Encode and decode URLs and query strings instantly.

Generate MD5, SHA1, SHA256 and SHA512 hashes instantly.

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

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

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

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

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

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

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

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

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

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