MyIQTest

MyIQTest is a free online reasoning test. It has 30 questions across four types: pattern reasoning, numerical reasoning, verbal reasoning and logical reasoning. The questions are ordered from easy to hard and there is no time limit.

Each answer is weighted by its difficulty and scored with an item-response model. The result is placed on the standard IQ scale, where 100 is average. The report shows the score, percentile and a breakdown by reasoning type, and it includes the correct answers with explanations.

The site states that it is not a clinical or diagnostic assessment and that no online test gives an official IQ. It also offers a free brain fog test that checks speed, focus and memory in about three minutes.