Aim Trainer
Click targets as fast as you can — measures avg reaction, accuracy, and misses.
How to use Aim Trainer
Follow these steps — everything happens instantly in your browser.
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Step 1. Pick how many targets to click: 10, 20, 30, or 50.
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Step 2. Click Start. A red target appears at a random position.
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Step 3. Click it as fast as you can — a new one appears elsewhere.
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Step 4. When all targets are hit, see your average reaction time, best time, and accuracy.
Why use this tool
Private by design
All processing happens locally in your browser. Open DevTools → Network and you'll see zero file uploads. Ever.
Instant
No upload wait, no queue, no server round-trip. Results appear the moment you drop a file.
Free & unlimited
No accounts, no watermarks, no daily caps. Use it as many times as you like, forever.
Works everywhere
Desktop, tablet or phone — every tool is responsive and installable as a PWA for offline use.
Frequently asked questions
Everything you might want to know about aim trainer.
Reaction Time Test
Wait for green, click as fast as you can — measures reflexes in milliseconds.
CPS Test
Click as fast as you can for 5–30 seconds — measures clicks per second.
Typing Speed Test
Measure your words-per-minute with a live paragraph and accuracy tracking.
Memory Test (Simon)
Watch the lit-up sequence, then repeat it back — each round adds one more.