Free · Browser-based · No install

Train your
Body and Mind.

A small collection of tools and exercises to improve eye coordination, reaction time, memory, and focus — built to run right in your browser, no download or sign-up required.

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Training exercises

Pick one below — each opens full-screen with its own adjustable controls.

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Reflex · Visual reaction

Visual Reaction Time Test

Wait for the screen to flash green, then click as fast as you can. Run multiple rounds to see your average and chase a new best time.

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Reflex · Audio reaction

Audio Reaction Time Test

Listen for the beep, then click as fast as you can. Trains reaction to sound instead of sight, with rounds, averages, and a best-score tracker.

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42
Tracking · Reaction

DVD Bounce — Eye Training

Follow a single ball as it ricochets around the screen, classic-screensaver style, and read the number flashing inside it. Adjust speed, size, and color to your level.

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Peripheral vision · Multi-target

Random Pops — Eye Training

Colored targets pop in and out at random spots on screen. Add more balls and increase the speed to challenge your peripheral awareness and reaction time. Follow one target and ignore the others.

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Memory · Sequence recall

Sequence Memory Test

Watch a growing sequence of tiles light up, then tap them back in the same order. One mistake ends the round — how long a sequence can you remember?

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Tools

Quick calculators to go along with the exercises.

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2,450 kcal
Nutrition · Maintenance calories

TDEE Calculator

Estimate your Total Daily Energy Expenditure and see calorie targets for maintenance, weight loss, or weight gain. Supports both metric and US units.

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22.9 BMI
Health · Body mass index

BMI Calculator

Calculate your Body Mass Index from height and weight and see which category it falls into. Supports both metric and US units.

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