Is Keycode Inspector free to use?
Yes. Keycode Inspector is available through MyDevTools with a public landing page and browser-based app experience.
Media & Design
Free Key Event Tester OnlineKeycode Inspector on MyDevTools
Shows the JavaScript KeyboardEvent details for any key you press: event.key, event.code, the deprecated keyCode and which values, key location, and modifier state, plus a history of recent key presses and one-click JSON export. Runs entirely in the browser.
About Keycode Inspector
Press any key to inspect the JavaScript keyboard event: key, code, keyCode, which, location, and modifiers, with history and JSON export. Runs entirely in your browser — no installation, no account required to try it.
Common Keycode Inspector use cases
Use Keycode Inspector when you need a fast, browser-based way to work with keycode. It is useful during API debugging, code reviews, documentation cleanup, test data preparation, and quick checks on a new machine where you do not want to install a desktop app. Because MyDevTools keeps related utilities together, you can move from Keycode Inspector into nearby tools like formatters, converters, generators, encoders, decoders, and API helpers without leaving the same toolkit.
Example workflow
A typical workflow starts by pasting or typing your input into Keycode Inspector. Review the result, copy the cleaned or generated output, then continue with a related task such as validating a payload, decoding a token, parsing a URL, generating an identifier, or testing an API request. This makes Keycode Inspector part of a practical developer workflow instead of a one-off utility page.
Key Features
- Keycode Inspector supports keycode workflows for quick browser-based developer tasks.
- Keycode Inspector supports javascript keycode workflows for quick browser-based developer tasks.
- Keycode Inspector supports event.key workflows for quick browser-based developer tasks.
- Keycode Inspector supports event.code workflows for quick browser-based developer tasks.
- Keycode Inspector supports keyboard event workflows for quick browser-based developer tasks.
- Keycode Inspector supports keycode inspector workflows for quick browser-based developer tasks.
- Keycode Inspector supports keydown event workflows for quick browser-based developer tasks.
- Keycode Inspector supports key event tester workflows for quick browser-based developer tasks.
- Runs in your browser — no install
- Free to use, always
Keycode Inspector FAQ
Do I need to install anything for Keycode Inspector?
No. Keycode Inspector runs in a web browser, so you can open it from any modern device without installing a desktop utility.
What is Keycode Inspector best for?
Shows the JavaScript KeyboardEvent details for any key you press: event.key, event.code, the deprecated keyCode and which values, key location, and modifier state, plus a history of recent key presses and one-click JSON export. Runs entirely in the browser.
What should I use with Keycode Inspector?
Most developers pair Keycode Inspector with related MyDevTools utilities such as formatters, parsers, encoders, generators, API tools, and security helpers.
How to Use Keycode Inspector
- 01
Open the tool
Click "Use Keycode Inspector Free" above — no download or account required.
- 02
Enter your data
Paste or type your input directly in the browser. Processing happens locally on your device.
- 03
Copy the result
Get your output instantly. Copy it, download it, or keep working in the same tab.
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