FREE TOOLS

Test your reaction speed across 5 attempts. See your average time, percentile, and age-adjusted rating.

Remember highlighted squares on an expanding grid. Test your visual short-term memory capacity.

Recall number sequences forward and backward. Measures working memory — a core component of IQ.

5 matrix-style puzzles testing abstract reasoning — the same ability measured by IQ tests.

Name ink colours while ignoring the written word. Measures cognitive inhibition and processing speed.

10 progressively harder number patterns. Identify the next number in each sequence.

Match symbols to digits as fast as possible in 90 seconds. Based on WAIS coding subtest.

20-question IPIP assessment. Get your Openness, Conscientiousness, Extraversion, Agreeableness, and Neuroticism scores.

Discover your attachment pattern: Secure, Anxious, Avoidant, or Fearful. Based on ECR-R research.

Measure Narcissism, Machiavellianism, and Psychopathy traits. Based on the Short Dark Triad (SD3).

15-question assessment of emotional intelligence across 5 dimensions. Get your EQ score instantly.

The Rosenberg Self-Esteem Scale — the gold standard 10-item measure used in thousands of studies.

Find your Enneagram type (1-9) with this 36-question assessment. Discover your core motivation.

Convert any MBTI personality type to estimated Big Five (OCEAN) trait scores. See how the two frameworks map.

7-question validated screening used by doctors worldwide. Public domain instrument.

9-question validated screening for depressive symptoms. Most widely used depression measure.

6-question WHO screening for adult ADHD. Takes under 2 minutes.

Measure emotional exhaustion, depersonalisation, and accomplishment across 15 questions.

10-question Perceived Stress Scale. The most widely used stress measurement instrument.

16 forced-choice questions based on NPI-16. Understand narcissistic traits on the spectrum.

Rate 9 life domains to get your overall Life Score. See your Wheel of Life and find areas to improve.

7-question sleep assessment with personalized tips based on your sleep patterns.

6-item Brief Resilience Scale. Measure how well you bounce back from adversity.

8-item Oxford Happiness Questionnaire. Compare your happiness to population averages.

6-item GQ-6 gratitude questionnaire. Measure your disposition towards gratitude.

Enter lifestyle factors to estimate your biological age vs chronological age.

20 forced-choice questions to find your primary love language. Discover how you give and receive love.

Identify your communication pattern: Assertive, Aggressive, Passive, or Passive-Aggressive.

Both partners enter Big Five scores to see trait-by-trait compatibility and relationship insights.

Enter your IQ to see your percentile ranking, rarity, classification, and famous people with similar intelligence.

Visual IQ distribution chart showing classifications, percentiles, and population statistics.

Find careers that match your IQ level. See compatibility scores, salary ranges, and cognitive demands.

See how rare your IQ is with vivid visualizations: stadium metaphor, world population count, city estimates.

Check if your IQ qualifies for Mensa and other high-IQ societies. Supports multiple test scales.

Bidirectional converter between IQ scores and percentiles. Toggle between SD 15 and SD 16.

Interactive bell curve with draggable IQ marker. See your position on the distribution in real-time.

Calculate mental age from IQ and chronological age. Historical concept with modern context.

Compare two IQ scores side by side. See the difference in percentile, rarity, and classification.

Calculate the 95% confidence interval for any IQ score based on test reliability.

See how many people in your city share your IQ level. Data for 30+ major world cities.

Understand how age affects IQ scores. Developmental context for children and cognitive aging patterns.

Estimate child IQ based on parental IQ using Galton's regression to the mean.