Big Five Personality Test

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.

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Over 4.000.000 people have taken the test

open source


This is an open source project under MIT-license.


The test is completely free


BigFive is a scientifically validated and reliable psychological model.
Translated to over 20 langauges


Translated to over 20 languages. Help out here!
Comparing people

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Compare yourself with your partner, colleagues, friends or family.

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