Take a break with pomodoro timers, name wheels, and lighthearted generators. Most tools run entirely client-side without uploads.
Useful running and walking tools
Flip a fair virtual coin for heads or tails—useful for quick decisions and tie-breakers.
Convert human age to equivalent dog years based on size and weight class.
Pick a random fun pet name from a large curated list of animal names.
Generate lottery numbers Processing runs locally in your browser.
Enter distance and total time to calculate your average pace per kilometer.
Predict your finish time over a target distance from a known pace value.
Roll a fair virtual six-sided die (1–6) for tabletop games and quick random picks.
Roll a fair virtual die with 2 to 1000 sides—d20, d100, or any custom polyhedral count.
Randomize the order of non-empty lines in a pasted list using an in-browser Fisher–Yates shuffle.
Swear in a fanciful way by choosing your favorite swear word yourself!
Paste names and pick one at random with a simple spin-ready selector
Find Gregorian Easter Sunday and related movable feast dates for any year.
Calculate Julian calendar Easter Sunday and linked movable feast dates by year.
Find your Chinese zodiac animal and five-element cycle from a Gregorian birth date
List of most of the country flags in the world
Calculate bingo prizes using the double approach. Easily calculate your prizes!
Look up the Mayan calendar day sign (nawal) associated with your date of birth
Calculate bingo prizes in percentage. Easily calculate your prizes!
Discover your national holidays with this online simulator. Fill in with your country and click on the start button
Optimize your vacation days with this online simulator. Fill in with your days off and start generating now
Map a birth date to one of twelve Western tropical zodiac sun signs (Aries through Pisces)