Mortgage Calculator
Monthly payment with tax and insurance included.
Never uploadedA genuinely random heads or tails, with a running tally.
Options
One, or a batch.
The draw uses cryptographic randomness.
With a running history of recent flips.
Yes. It uses crypto.getRandomValues, the browser's cryptographically secure generator - not Math.random, which is seeded and predictable.
Yes. Set the count and you get every individual result plus a total of heads.
Almost. Physical coins have a very slight bias from their weight distribution and the way they are caught. A cryptographic generator does not.
A short history is kept in the page while it is open. Nothing is stored or sent anywhere.
Flip a coin online with genuinely random results, drawn from your browser's cryptographically secure generator rather than Math.random - which is seeded, predictable, and unsuitable for anything where the outcome matters. You can flip several at once and see both the individual results and the total heads. A small point of trivia: a physical coin is not quite 50/50, carrying a slight bias from its weight distribution and how it is caught, whereas a cryptographic draw genuinely is.
The last couple are from other categories - there are 81 tools here in total.
Monthly payment with tax and insurance included.
Never uploadedMonthly instalment and what the loan really costs.
Never uploadedPercent of, percent change, and what-percent-is.
Never uploadedExact age and the countdown to your next birthday.
Never uploadedShrink PDFs to fit email, chat, or upload limits.
Shrink JPG, PNG or WebP without visible quality loss.
Never uploaded