Short streaks happen
Five heads in a row is unusual, not impossible. A small batch does not have to split 50/50.
Decision coin
Flip a coin before the decision gets heavier than it is.
A fast heads-or-tails coin flipper for tabletop calls, tiny disputes, quick choices, and remote decisions. Call it first, flip once, read the receipt.
No accountSession history onlyCrypto randomness when available
Flip setup
Call the flip
Use one flip for a decision, or flip a small batch when you need a quick fairness check.
For important decisions, agree on the call before pressing the button.
HEADSTAILS
Result
Ready
Call heads or tails, then flip.
Heads 0Tails 0Streak 0
Session flip log
- No flips yet
Method, evidence and limits
The bit is chosen before the coin moves.
Each face comes from one bit of a browser-generated 32-bit integer. The tool uses crypto.getRandomValues when available and a time-mixed Math.random fallback otherwise. The animation receives the result; physics never decides heads or tails.
Session evidence
The visible log keeps the latest 20 entries. Export CSV saves that current log; Reset and page reload start over.
Decision boundary
Use this for casual choices. It is not a certified draw, gambling system or substitute for an agreed official procedure.
Read the random source, test record, privacy boundary and edge cases. Maintained by Steve T.; report a problem.