Property-based testing for JavaScript and TypeScript
Testing made easy
Finding bugs has never been so easy! From classical edge cases to very complex combinations of inputs, fast-check will be able to detect any class of bug.
Test runner agnostic
fast-check can be used within any test runner without any specific integration needed.
Next level testing
Race conditions, prototype poisoning… Embrace the full power of fast-check and let it help you into finding race conditions or zero days.
They spread their love…
Kind messages spreading love around fast-check
They contribute to the project…
People involved at some point in the development of fast-check
They sponsor us…
They financially contribute to the fast-check
You can also become one of them by contributing via GitHub Sponsors or OpenCollective.