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About JavaScript Keycode Finder Free — Event Key Codes & Info

Speed up keyboard navigation and gaming controls implementation in web apps by inspecting keyboard event properties in real-time.

Key Features & Capabilities

  • Press any key to display key, keyCode, code, and location values
  • Inspect modifier key states (Shift, Alt, Ctrl, Meta/Cmd)
  • Copy ready-to-use JavaScript if (e.key === '...') code snippets
  • Table of all standard key codes for quick reference
  • 100% responsive and instant

How to Find JavaScript Key Codes

01

Step 1: Press Any Key

Press any button on your keyboard.

02

Step 2: Inspect Event Details

View the key name, numerical keyCode, and event.code string.

03

Step 3: Copy Code Snippet

Copy the generated JavaScript condition directly into your codebase.

Frequently Asked Questions

Why is event.key preferred over event.keyCode?

event.keyCode is deprecated in modern web standards; modern browsers use event.key and event.code for clearer, internationalized keyboard event handling.

Does this detect function and arrow keys?

Yes, all special keys including F1-F12, Escape, Enter, Tab, and Arrow keys are detected.

Related Utility Tools

Security & Privacy Pillars

Why Zaeyon?

Private, free, and browser-based — no account, no uploads, no compromises.

Zero Uploads

Your files never leave your device. All processing happens locally in your browser memory — nothing is sent to any server.

100% Free Forever

No subscriptions, no hidden fees, no daily limits. Every tool on Zaeyon is permanently free to use without an account.

Instant & Powerful

Powered by WebAssembly — the same low-level technology used in native apps — so processing is fast even for large files.

Works Offline

Once the page loads, the WebAssembly engine runs entirely on your device. No internet connection needed to process files.

Works Everywhere

No software installation required. Runs directly in your browser on Windows, Mac, Linux, iOS, and Android.