OneFreePlace
FREE ONLINE TOOL

Free Coin
Flip

Free cryptographically random coin flip studio with best-of games, multi-flips, probability lab, streaks, confidence intervals and CSV export.

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FreeUse this tool without paying.No sign upStart with the tool right away.Clear stepsRead the tool’s own guidance.

About Free Coin Flip

A fair decision coin when you need one, plus a serious probability lab when you want to study many flips. Cryptographic browser randomness, streak analytics, best-of scoring and exportable data — completely free.

Workspace options

  • Heads means
  • Tails means
  • Sound
  • Coins per multi-flip
  • Best-of series
  • Heads probability: 50%

Available actions

  • Export CSV
  • Flip coin
  • Setup
  • Probability Lab
  • Fairness
  • Run simulation