UUUP Tools

Developer Tools

Keyboard Keycode Lookup

Press any key to see key, code, keyCode, which, location, and modifier flags in real time—helpful when wiring keyboard shortcuts in front-end code.

Quick switch→Escape Visualizer
KeyboardKeyCodeDevTools
Quick switch:Escape VisualizerASCII Table

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Copy this tool URL or open the system share sheet on a supported device.

Use cases

  • Find keyCode values for shortcuts
  • Compare event fields across browsers
  • Debug keyboard handlers

How to use

  1. Open the tool page
  2. Press the key you want to inspect
  3. Read key, code, keyCode, and modifiers

Example input and output

Key

Ctrl+K

code

KeyK

FAQ

Why do keyCode and code differ?

code reflects physical layout; key reflects the character produced—both matter for shortcuts.

Are combo keys supported?

Yes. Shift/Ctrl/Alt/Meta are shown together with the main key.

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