All Free Tests & Tools: IQ, Personality & Brain Games
Browse our complete collection of cognitive assessments, from standardized IQ test simulators and personality frameworks to interactive brain games and score converters. Filter by category below to find your next challenge.
Free IQ Tests & Assessments
11 testsExplore comprehensive intelligence tests, quick baseline estimates, and cultural-fair assessments modeled after established psychometric frameworks.
20 minQuick Free IQ Test
20 questions, under 20 minutes. A fast, reliable IQ estimate when you're short on time.
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35 minOfficial Free IQ Test
A comprehensive 35-minute assessment covering verbal, perceptual, memory and speed indices.
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10 minFast IQ Test
Need a score in under 10 minutes? A condensed, focused test for a rapid result.
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Culture Fair IQ Test
A non-verbal, language-neutral test designed to minimise linguistic and cultural bias.
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IQ Test 2026 — Scientific Edition
Our latest test, refreshed for 2026 with updated scoring benchmarks and instant analysis.
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Wechsler IQ Test
Learn how the Wechsler scales work — and try a free practice-style version.
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Stanford-Binet IQ Test
Explore one of the oldest standardised intelligence scales with our free version.
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Woodcock Johnson Test
A free-style version of this widely used cognitive and achievement battery.
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KBIT-2 Test
A brief-format intelligence test covering verbal and non-verbal reasoning.
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Thurstone's Primary Mental Abilities
A test built around Thurstone's seven core dimensions of intelligence.
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Wonderlic IQ Test
A free practice-style Wonderlic test, plus a score-to-IQ equivalent chart.
Take the TestPersonality & Psychology Tests
9 testsDiscover your character traits and behavioral styles with standardized personality models, Enneagrams, and emotional intelligence assessments.
16 Personalities Test
Discover your four-letter personality type across the 16 personality framework.
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Free Enneagram Test
Find your Enneagram type and understand your core motivations and fears.
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Free Big 5 Personality Test
The gold-standard OCEAN model — measure openness, conscientiousness and more.
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Free DISC Personality Test
Understand your Dominance, Influence, Steadiness and Conscientiousness profile.
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Free Emotional Intelligence Test
Measure your EQ — how well you understand and manage emotions.
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Inkblot Psychology Test
A modern, playful take on the classic projective inkblot assessment.
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Free Personality Test
A quick, accurate general personality assessment with instant, insightful results.
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Film Personality Quiz
A fun quiz that matches your personality to films and characters.
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Therapy Match Test
Answer a few questions to find the therapy style that could suit you best.
Take the TestBrain Games & Cognitive Skills
12 gamesTrain your working memory, spatial reasoning, and reaction times with our interactive cognitive games and simulators.
IQ Memory Game
Test and train your short-term memory with a fast-paced matching challenge.
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Number Memory Test
How many digits can you hold in memory? A classic working-memory test.
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Reaction Time Test
Measure how fast your brain reacts to visual stimuli, in milliseconds.
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Sequence Memory Test
Repeat increasingly long sequences to find your memory span limit.
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Stroop Effect Test
The classic "colour clash" game that tests your focus under interference.
Play NowN-Back Test
A rigorous working-memory training game used in cognitive research.
Play NowVisual Tracking Test
Sharpen your focus by tracking moving targets among distractors.
Play NowOnline Reflex Game
A quick-thinking reflex challenge that keeps your response times sharp.
Play NowATC Game
Play air-traffic controller to sharpen multitasking, focus and reaction time.
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Spatial Intelligence Test
Test your visual-spatial reasoning with rotation and pattern challenges.
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Free Learning Style Assessment
Find out whether you learn best visually, verbally, or hands-on.
Take the TestIQ Test with Leaderboard
Take the test and see how your score stacks up against everyone else.
Take the TestCalculators & Interactive Tools
7 toolsCalculate percentiles, explore brain maps, and analyze cognitive data with our specialized calculators and interactive tools.
IQ Percentile Calculator
Enter your IQ score to instantly see where you rank against the population.
Use the ToolIQ Heritability Calculator
Explore how genetics and environment interact to shape cognitive ability.
Use the ToolInteractive Brain Map
Explore the regions of the brain linked to IQ, memory and cognition.
ExploreCognitive Biases Tool
An interactive tool exploring the most common biases that distort thinking.
ExploreAverage IQ by Country — World Map
An interactive world map ranking average IQ scores by country.
ExploreCognitive Age Calculator
A free 20-question quiz that estimates your brain's "cognitive age."
Take the QuizGPA Calculator
Quickly calculate your grade point average from your course grades.
Use the ToolScore Converters
4 convertersConvert historical and current standardized test scores (SAT, GRE) into estimated IQ equivalents.
Pre-1995 SAT to IQ Calculator
Convert old-scale SAT scores into an estimated IQ equivalent.
Convert1995–2016 SAT to IQ Calculator
Convert recentred, 2400-scale SAT scores into an IQ equivalent.
ConvertNew SAT to IQ Calculator (2016–Present)
Convert current redesigned SAT scores into an estimated IQ.
ConvertGRE to IQ Calculator
Convert old and new GRE scores into an estimated IQ equivalent.
ConvertFun & Puzzles
5 gamesChallenge your lateral thinking and logic skills with classic riddles, typing tests, and interactive text-based simulators.
The King's Council
A retro RPG decision simulator — rule a medieval kingdom and live with the consequences.
Play NowFox, Chicken & Grain Riddle
The classic river-crossing logic puzzle — can you get everyone across safely?
Solve ItWater Jug Riddle
An interactive measuring-puzzle that tests logical, step-by-step thinking.
Solve ItFree Typing Test
Measure your typing speed and accuracy in words per minute.
Take the TestStress & Well-being Test
A free assessment to check in on your stress levels and build resilience.
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