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Stability testing and monitoring since 2003

OCCT is the most popular all-in-one stability check & stress test tool available.

It generates heavy loads on your components while checking for errors, and will detect stability issues faster than anything else.

OCCT embeds HwInfo's monitoring engine to get precise readings and diagnose issues faster.

Available now


3D test with game-like load and top-notch error detection *


Stability certificate *

* : Feature exclusive to Patreon members / License owners for a time

Coming soon...

To be announced

Trusted by many...

18 years

of stability testing

20 000+

downloads / day


downloads since 2003

Stability testing since 2003

OCBASE/OCCT - Adrien Mercier

80 rue de l'abbé de l'épée

59500 Douai