Yes or No Decider
A fair crypto-random 50/50 answer, with history.
?
Press “Decide” — the answer is chosen with crypto-grade randomness.
0
Yes so far
0
No so far
History
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A truly fair 50/50: each decision draws a fresh random byte. Short streaks (3–4 in a row) are perfectly normal and don’t mean it’s biased.
使い方
- すべてブラウザ内でローカルに動作します。データは送信されず、アカウントも不要です。
概要
One button, one statistically fair answer driven by crypto.getRandomValues, plus a running tally and the last few answers.
Useful for framing decisions: if you expected the other answer, the question you actually wanted to ask is the one worth acting on.
すべてブラウザ内でローカルに動作します。データは送信されず、アカウントも不要です。
Embed this tool
Customize and copy an iframe. Linking back helps both sites.