Free Classroom Tool
Flip a Coin
Heads or tails, instantly — for quick fair decisions and probability demos.
The fairest way to decide
Who goes first? Which option wins? A coin flip settles it instantly and nobody can argue. The running tally makes it a neat probability demo too — watch heads and tails even out over many flips. Ad-free, no sign-up.
Want your whole classroom gamified? Level Up Classroom is a free gamified gradebook with XP, badges and leaderboards.
More than a coin
Level Up Classroom turns your gradebook into a game — XP, levels, badges, plus attendance, seating and a class stream. Free plan, no credit card.
Get Started Free
Coin flip FAQ
How do I flip a coin online?
Click Flip — the coin spins and lands on heads or tails at random, with a running tally. Free, no sign-up.
Is it fair?
Yes — each flip is a 50/50 from the browser's random generator.
Can I use it for probability?
Yes — the tally shows results approaching 50/50 over many flips.