Discover your
Big Five profile.

A free, scientific 120-question assessment based on the IPIP-NEO-PI-R. Understand your personality across five core dimensions and 30 facets.

120 questions · ~10 minutes · Free forever
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N

Neuroticism

Emotional sensitivity and stress response

E

Extraversion

Social energy and positive emotions

O

Openness

Curiosity, creativity, and imagination

A

Agreeableness

Cooperation and social harmony

C

Conscientiousness

Organization, discipline, and reliability

Privacy first

No account, no tracking. Your data stays in your browser and never leaves your device.

AI-ready export

Copy your personality profile as structured JSON or plain text to share with Claude, ChatGPT, or any AI agent.

Shareable results

Results are encoded in the URL. Share your profile link with anyone — no account needed on either end.

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Based on the IPIP-NEO-PI-R (International Personality Item Pool). This is not a clinical diagnostic tool.