In-browser tool

Case converter

UPPER, lower, Title, camelCase, snake_case, kebab-case and more — instantly.

Everything runs in your browser — your input is never uploaded.

How it works

Type or paste your input

Get the result instantly

Copy the result

How are words split for camelCase?

On spaces, punctuation and existing camelCase boundaries, so “someCamelCase” becomes “some_camel_case”.

Is my file uploaded to a server?

No. This tool runs entirely in your browser. You can open your browser's network tab and verify no request carries your file.