Online tests
Logic, memory, reaction time, typing, vision, and personality tests.
Tests10
Microphone test
Check if your microphone is working with a live audio level, a 5-second recording, and troubleshooting tips.
Reaction Time Test
Click as soon as the screen turns green. See your average time across 5 attempts in milliseconds, with early clicks detected.
Memory Test
Memorize sequences of numbers or colors that get longer with each correct answer and find out how many items you can remember.
Internet Speed Test
Measure download and upload speeds, ping, and jitter between your device and our server—no installation required.
Color Blindness Test
Read the numbers hidden in 10 color-dot plates and find out if you should consider getting a color vision exam.
Attention Test
Find the odd symbol in 20 grids that grow from 4×4 to 7×7. Race the clock and see your accuracy and speed.
Mental Math Test
How many problems can you solve in your head in 60 seconds? Try addition, subtraction, multiplication, division, and percentages, with difficulty that increases as you go.
Number Memory Test
Digit span: repeat number sequences in the order they appear, then backward, and see how many you can remember.
Online hearing frequency test
Listen to tones from 60 Hz to 20 kHz generated in your browser and find out the highest and lowest frequencies you can hear. This isn't a medical test.
Contrast Sensitivity Test
Read letters that get progressively lighter against a white background and see the lowest contrast you can make out. This is an informal test, not an eye exam.
Quick tests to learn about yourself and sharpen your skills: logic with an estimated score, memory, reaction time, typing, color vision, personality, and English. Take them in your browser with no sign-up—your results stay private.