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See why thousands of people choose is the officially certified IQ testing website of the International High IQ Society. Several other high IQ societies like Mensa use too. A such, is an independent website that provides certifying IQ tests for the entire web. The International High IQ society and local presences in New York and Amsterdam area.

Our original IQ test is the most scientifically valid IQ test available on the web today. Previously offered only to corporations, schools, and in certified professional applications, it is now available to you. In addition to measuring your general IQ, our exclusive test assesses your performance in 13 different areas of intelligence, revealing your key cognitive strengths and weaknesses.

Our search for an accurate IQ yielded miserable results so we decided to build one. Our circle of very patient friends included a couple of PhD psychs so with a little guidance and many iterations over the last decade and a bit you have the site you're reading now. We cover site costs by running ads, they do get in the way of the tests but are a necessary evil of running our site.

Advanced IQ Test. Test your brain with our IQ Test online!