YAML to JSON

Convert date and time formats online, including Unix timestamps, ISO 8601, UTC, RFC and Excel date/time.

Convert time between different timezones with ease.

Convert between various units including length, weight, volume, temperature, and more.

Convert between blockchain units (Wei↔ETH, Satoshi↔BTC, Lamports↔SOL, etc.) with live fiat valuation.

Convert number between different bases (decimal, hexadecimal, binary, octal, base64, ...)

Convert Roman numerals to numbers and convert numbers to Roman numerals.