Coin Flip
Fair 50/50 coin flip via Web Crypto. Single dramatic flip or batch up to 100 flips. Running all-time stats (heads vs tails ratio) demonstrating the law of large numbers.
What powers the Coin Flip
True 50/50 via Web Crypto
Single dramatic flip or batch (1-100)
Running all-time stats (heads / tails %)
Per-flip history (last 20)
Animated coin
Why the Coin Flip is different
Browser-native
The Coin Flip runs entirely in your browser. Input is processed locally — never uploaded, never logged, never cached anywhere outside your device.
No artificial limits
No daily quotas, no character ceilings, no "upgrade for more" walls. Every feature is the complete feature — the same on the first use as the thousandth.
Production-grade quality
Built to the same engineering bar as paid SaaS tools — accurate algorithms, audited logic, responsive design and accessibility-tested interactions.
Common use contexts
- Settling small decisions / disputes
- Sports / game coin tosses
- Quick yes / no when truly indecisive
- Probability demos (watch ratio approach 50% as flips increase)
Private and secure
Zero upload
All processing happens in your browser. Input is never transmitted, logged or cached.
Works offline
Once the page loads, the tool runs without an internet connection. No network calls happen during use.
No tracking
No accounts, no cookies for tool state. Only aggregate analytics count visits at the page level.