Crypto RandomAnimatedHistory

Flip a virtual coin with crypto-random results

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FAQ

Is the coin flip fair?
Yes, it uses the Web Crypto API for true 50/50 randomness.
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100 calls/day, no card, no spam. Built by one person, in public.

About Coin Flip

Coin Flip solves a specific problem that comes up daily for anyone dealing with this task: doing it once, fast, without an account. Built to be the kind of tool you bookmark and use weekly: no surprises between visits, no degraded free tier, and a UI that gets out of the way. If you find yourself doing this regularly, the rest of the utility suite covers most adjacent tasks with the same approach.

When you'd reach for Coin Flip

  • You're on a public or shared machine and don't want to leave traces of what you're working on.

    Travelers, contractors, anyone working from a friend's computer.

    Nothing is uploaded, nothing persists if you're not signed in.

  • You're cleaning up a folder of files that accumulated over a project and need to standardize them.

    Designers, writers, and developers wrapping up deliverables.

    Drop each file in, copy the output, move on.

  • You need to handle a one-off task right before a meeting and don't have time to install anything.

    Anyone working remotely on a borrowed or restricted machine.

    Open the page, get the result, paste it into your doc — under a minute.

  • You're hitting the daily limit of a paid SaaS and need a backup option for a single quick job.

    Marketers and ops people whose primary tool is metered.

    Stay productive without burning credits.

Frequently asked about Coin Flip

Can I use Coin Flip commercially?
Yes. The output of Coin Flip belongs entirely to you, with no licensing restrictions.
Does Coin Flip work on mobile?
Yes, Coin Flip is fully responsive and tested on iOS Safari and Android Chrome.
Do I need to create an account to use Coin Flip?
No. Coin Flip works without any signup. We only ask for an email if you decide to subscribe to a paid plan.
Is Coin Flip really free?
Yes — Coin Flip is free for unlimited personal use, with no account required and no watermark on the output.
Will Coin Flip change my original file?
Never. Coin Flip only reads your input file and produces a new output file.