Fast, free, and secure online tools for developers, accountants, and everyday users.
Create secure random passwords.
Convert amounts between 150+ currencies with live rates.
Body mass index based on height and weight.
Convert between length, weight, and temperature.
Create a QR code from text.
Quickly estimate your income tax and net take-home pay.
Calculate the growth of your investment over time.
Generate valid CPF or CNPJ numbers for testing purposes.
Clean, prettify, and validate your JSON strings with options.
Compute the SHA-256 hash of any input instantly.
Count words, characters, and sentences in real time.
Convert text between uppercase, lowercase, CamelCase, and more.
Generate placeholder text for design and layout.