Learn to know yourself better with a free, open-source personality test.


The following test contains 120 questions which is estimated to take you about 10 minutes to complete.

* No registration required

Open

This is an open source project under MIT-license.

Free

The test is completely free

Scientific

BigFive is a scientifically validated and reliable psychological model.

Over 4.000.000 people have taken the test

Compare yourself to others

Compare yourself with your partner, colleagues, friends or family. Learn how you differ from other people in the five domains:

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