Keyboard Tester
Show pressed keys and codes live.
⌨Keyboard Tester
All processing happens locallyWhat this tool does
Keyboard Tester is a keyboard diagnostic tool, calculations run on your device, so amounts and personal figures are never uploaded.
Results update instantly when you change a value; copy them for your records.
How to use it
- Paste or type your content into the input field at the top, or press the sample button to load demo data.
- Adjust the options below the input, such as output format, separators, letter case or precision.
- Press the main button to run the conversion. Results appear instantly in the output panel without a page reload.
- When the result looks right, use the copy button in the corner, or download it as a local file.
Tips and notes
Clean up stray spaces and line breaks before pasting for more accurate results.
FAQ
Try another keyboard to rule out hardware; if that one works, the original has a faulty key.
No. Key events are displayed only in the page and never stored or sent; avoid typing passwords here anyway.
Yes. The tool is completely free with no usage limits, and you never need an account or a sign-in.
No. All processing runs locally in your browser, so the input never reaches a server and is never logged or stored.
Yes. The layout is mobile-first, so inputs and buttons stay comfortable on phones and tablets in both orientations.
Yes. A copy button in the output panel puts the result on your clipboard, and you can also download it as a text file.