Text Case Converter

Convert text case online

Paste or type text and choose a case format — the output updates instantly as you type. Everything runs locally in your browser, so your content is never uploaded or stored.

The converter handles mixed inputs: it splits on spaces, punctuation, and camelCase boundaries, so pasting foo-barBaz into snake_case yields foo_bar_baz as expected.

FAQ

What is camelCase? Words are joined with no separator; each word after the first starts with a capital letter. Used widely in JavaScript variable names.

What is snake_case? Words are joined with underscores and all letters are lowercase. Common in Python and database column names.

What is kebab-case? Words are joined with hyphens and all letters are lowercase. Standard in CSS class names and URL slugs.

What is CONSTANT_CASE? Words are joined with underscores and all letters are uppercase. Used for constants in most languages.

Is my text uploaded anywhere? No. Conversion runs entirely client-side; nothing leaves your browser.