Discover Your Mind
Explore your personality preferences with 8 or 32 questions. See how your answers shape each dimension. Free, open-source, and no account required.
Four Dimensions of Personality
Your personality type emerges from these fundamental psychological preferences. Most people aren't purely one or the other—think of each dimension as a spectrum where you may lean more toward one side.
Energy Direction
Extraversion vs Introversion. Where do you direct your energy—outward to people and activities, or inward to ideas and reflections?
Information Processing
Sensing vs Intuition. Do you focus on concrete facts and details, or patterns and possibilities?
Decision Making
Thinking vs Feeling. Do you make decisions based on logic and analysis, or values and impact on people?
Lifestyle Orientation
Judging vs Perceiving. Do you prefer structure and closure, or flexibility and openness?
Clear. Open. Your choice.
Adapted from the Open Extended Jungian Type Scales (OEJTS). The source questionnaire and scoring are inspectable. Research contribution is off by default. Basic visit analytics is on by default and can be turned off.
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Rate yourself on trait pairs using a simple scale.
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Discover which of the 16 personality types fits you.
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Frequently Asked Questions
Everything you need to know about the Jungian personality types
What are the 16 personality types?
The 16 types are grouped into four categories: Analysts (INTJ, INTP, ENTJ, ENTP) share Intuition and Thinking; Diplomats (INFJ, INFP, ENFJ, ENFP) share Intuition and Feeling; Sentinels (ISTJ, ISFJ, ESTJ, ESFJ) share Sensing and Judging; Explorers (ISTP, ISFP, ESTP, ESFP) share Sensing and Perceiving. Each type has unique value — these reflect preferences, not capabilities.
How accurate is this free personality test?
This is an adaptation of OEJTS for self-reflection. The original development sample does not validate this implementation, its translations, or the 8-question quick test. OpenJung-specific reliability studies have not been published. Percentages describe your position on each scale, not the probability that a type is correct. Treat near-midpoint results as uncertain.
Is my data private and secure?
No account is required. Website test answers are scored on your device. Research contribution is off by default. Basic Google Analytics is on by default, excludes personal results and can be turned off. If you contribute, answers and scores are stored, and de-identified score records can be downloaded. Result links reveal the type and scores they contain. See Privacy for hosting, API storage and your choices.
How long does the personality test take?
The test has 32 questions and takes 5-10 minutes. Answer based on your true preferences, not how you think you "should" behave. Go with your first instinct — there are no right or wrong answers.
Can my personality type change over time?
Core preferences tend to remain stable after adulthood, though you naturally develop more balanced abilities over time. An introvert may develop strong social skills while still recharging through solitude. If results vary between sessions, it may reflect borderline preferences or mood differences — focus on score patterns rather than just the four-letter code.
How should I interpret and use my test results?
Use results as a tool for self-exploration, not a limiting label. Note which parts of your type description resonate with you; understand your strengths and blind spots for personal growth. Don't use type as an excuse for behavior or stereotype others. Personality type is one dimension of self-understanding, not the whole picture.
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