Numbers & Units
Bases, timestamps, colors and units.
- Color Palette GeneratorBuild color schemes from one color: complementary, analogous, triadic and more.
- Timestamp ConverterUnix timestamp to date, and back, in UTC and your local time.
- Base ConverterBinary, octal, decimal and hex, all at once.
- Chmod CalculatorUnix permissions as octal (755) and letters (rwxr-xr-x), with what each one allows.
- Color ConverterHex, RGB, HSL, CMYK and OKLCH, with a contrast check.
- IEEE 754 Float InspectorThe bits and exact value of any float or double, such as 0.1 + 0.2.
- Roman Numeral ConverterNumbers to Roman numerals, and back, 1 to 3999.
- Data Size ConverterBytes, KB/MB/GB and KiB/MiB/GiB, all at once.
- Unit ConverterLength, weight, volume, area, speed, time or temperature, with every unit at once.
- CIDR CalculatorNetwork, broadcast and usable host range, for IPv4 and IPv6.