Blog
Blog
Guides, explainers, and tips about random number generators, probability, and making fair picks.
Occasional articles about how random numbers work, why they matter, and how to use the generator well. New posts are added from time to time, so check back.
- September 21, 2026
Team Picker: How to Split Groups Fairly with Random Selection
How the team picker works — cryptographically secure randomness, range math, duplicate prevention, and fair ways to split groups, assign teams, and run draws.
- August 19, 2026
How an Age Calculator Works: The Calendar Math Behind It
A close look at the calendar math behind age calculation — leap years, month boundaries, leap-day birthdays, and how the tool stays exact in your browser.
- August 11, 2026
How Do Random Number Generators Actually Work?
How random number generators work — true vs pseudo randomness, crypto.getRandomValues, uniform distribution, and getting fair draws every time.