Calculate VAT and tax amounts instantly.

Convert currencies with live exchange rates.

Estimate mortgage payments and home loans.

Calculate loan payments and interest rates.

Calculate discounts and final prices instantly.

Calculate percentages quickly and accurately.

Calculate your Body Mass Index easily.

Calculate exact age from date of birth instantly.

Convert Unix timestamps into readable dates.

Convert HEX, RGB, and HSL color codes easily.

Test regular expressions with live matching.

Decode JWT tokens and inspect payload data.