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Online Keyboard Tester

Name: Online Keyboard Tester
Author: ToolSnak

The most accurate tool to test your keyboard keys, latency, and N-Key rollover.

Last Key

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ESC

F10

F11

F12

DELETE

TAB

CAPS

ENTER

SHIFT

Control

N-Key Rollover

Test if your keyboard can register multiple simultaneous key presses.

Visual Feedback

Clear indicators for held (blue) and previously tested (green) keys.

Multi-Layout

Supports both Windows and MacOS layouts for accurate mapping.

Latency Free

Real-time event processing with no input lag for precise testing.

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Best Online Keyboard Tester

Our tool is designed for gamers, writers, and developer who need to verify their keyboard performance. Whether you are checking for broken mechanical switches or testing a new custom build, ToolSnak provides the most reliable feedback.

What is N-Key Rollover?

NKRO is a feature that allow a keyboard to accurately scan and report each key pressed regardless of how many other keys are being held down.

Most modern gaming keyboards feature 6-key or Full NKRO. You can test yours right here by pressing as many keys as you can.

Got Questions? We have you covered

How do I test my keyboard?

Simply start typing on your physical keyboard. The corresponding keys on our virtual keyboard will light up. Blue means currently pressed, and Green means the key has been tested and works.

Does it support Mac keyboards?

Yes! You can toggle between Windows and Mac layouts in the settings above the keyboard.

Why some keys like PrintScreen don't work?

Some browser security settings prevent us from intercepting specific system-level shortcuts, but 99% of keys will be accurately detected.

Support ToolSnak’s Mission

ToolSnak is completely free — no sign-ups, no limits. Enjoy AI writing tools, OCR, and more with zero hassle. Want to help us grow? We love your support. Thank you!