Utilities & Randomizers
10 tools
Timers, date math and cryptographically strong random generators.
- StopwatchTime anything with lap records and keyboard controls.
- Countdown TimerCount down to zero with an alert, accurate even in a background tab.
- Date DifferenceMeasure the gap between two dates and times in days, hours and minutes.
- Unix Timestamp ConverterConvert between Unix timestamps and human dates in local time or UTC.
- Random Number GeneratorDraw random numbers in a range using crypto.getRandomValues, with or without repeats.
- Dice RollerRoll any number of dice with any number of sides and see the total.
- Coin FlipFlip one or many coins and see the heads/tails tally.
- Random Picker & ShufflerPick winners from a list or shuffle the whole list fairly.
- Random DateGenerate random dates and times inside a range you choose.
- Random ColorGenerate random colors with HEX, RGB and HSL output ready to copy.