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Personality Type Test: Which of the 16 Types Are You?
Wondering which personality type you are? This free 16 personality types test answers exactly that: twenty short statements, an instant result with your type code, its own type name, and the profile behind it. An MBTI alternative built on the scientifically established Big Five model (public-domain Mini-IPIP items), not on the classic type questionnaires. Anonymous, not a diagnosis.
Our four-letter code is an additional conversion, not a separately validated measure. The five trait scores describe your underlying profile. Compare 16Personalities, Big Five and OCEAN.
16 Types Personality Test (Mini-IPIP, Big Five based)
How accurately does the statement describe you in general?
The 16 types at a glance
Each type is a tendency, not a box. The names and descriptions are our own wording.
INTJ · Architect
Thinks in long arcs and builds systems before others even see the problem. Happiest working independently on one big plan.
INTP · Logician
Takes ideas apart down to the core and loves precise logic. More interested in understanding than in applause.
ENTJ · Commander
Steps up to lead, sets goals, and clears obstacles out of the way. Efficiency is a point of pride.
ENTP · Debater
Bubbles with ideas and enjoys testing whether an argument really holds up. Routine is the natural enemy.
INFJ · Advocate
Looks for the meaning behind things and supports people quietly but persistently. Few connections, but deep ones.
INFP · Mediator
Measures the world against inner values and a quiet, strong imagination. Authenticity matters more than attention.
ENFJ · Protagonist
Senses what people need and gets groups moving. Grows when others grow.
ENFP · Campaigner
Infects others with ideas and warmth and sees possibilities everywhere. Starts things others would never dare to.
ISTJ · Logistician
Keeps promises, likes clear processes, and gets things done thoroughly. The one you can count on.
ISFJ · Defender
Remembers what matters to people and helps practically rather than loudly. The backbone of many teams and families.
ESTJ · Executive
Organizes people and processes and makes sure what was agreed actually happens. Clarity over harmony.
ESFJ · Consul
Holds groups together, remembers birthdays, and makes sure no one is left out. Community is the mission.
ISTP · Virtuoso
Understands things by taking them apart and stays remarkably calm in a crisis. Hands learn faster than slides.
ISFP · Adventurer
Prefers expressing themselves through style, craft, or care rather than big words. Lives in the moment, with a fine sense for detail.
ESTP · Entrepreneur
Acts while others are still debating and reads situations in a flash. At their best under pressure.
ESFP · Entertainer
Brings energy and lightness into any room and takes people along. Would rather experience than plan.
Grounded in the Big Five model
This test uses the Mini-IPIP, 20 public-domain items (Donnellan et al. 2006) that measure the Big Five: extraversion, agreeableness, conscientiousness, neuroticism, and openness. Four items per dimension, each rated by how accurately it describes you. Four of those dimensions map onto the familiar letters: extraversion to E or I, openness to N or S, agreeableness to F or T, and conscientiousness to J or P. Neuroticism is reported separately as emotional stability, a fifth dimension shown openly alongside your type.
How to read your result
Treat the four letters as orientation and as language for what makes you tick. No type is better or worse, every position has its strengths. Where a dimension sits close to the midpoint we flag it as a close call, because then both letters fit you to some degree. For the fuller picture, take the Big Five test on this site: the same item family, but a complete profile across five continuous dimensions.
The 16 types at a glance
Each type is a tendency, not a box, and the names are our own wording: INTJ (Architect), INTP (Logician), ENTJ (Commander), ENTP (Debater), INFJ (Advocate), INFP (Mediator), ENFJ (Protagonist), ENFP (Campaigner), ISTJ (Logistician), ISFJ (Defender), ESTJ (Executive), ESFJ (Consul), ISTP (Virtuoso), ISFP (Adventurer), ESTP (Entrepreneur), ESFP (Entertainer). Your result shows your code and type name along with the five dimension scores behind it, so you can see how clear or close each letter really is.
Trademark note
MBTI and Myers-Briggs are registered trademarks of the Myers & Briggs Foundation. 16Personalities is a product of NERIS Analytics Limited. medtests.de is not affiliated with either. This test is not a reproduction of those instruments; it is based on the freely available IPIP items (Mini-IPIP).
Source
Donnellan MB, Oswald FL, Baird BM, Lucas RE. The Mini-IPIP Scales: Tiny-yet-effective measures of the Big Five factors of personality. Psychological Assessment, 2006;18(2):192-203. Items from the International Personality Item Pool (public domain, ipip.ori.org). On the limits of type indicators: Pittenger 2005; McCrae & Costa 1989.