🔤 Case Converter

Which case should you use?

Title Case suits headlines, Sentence case suits body text and UI copy. For code, camelCase and PascalCase are common in JavaScript and many languages, snake_case in Python and databases, and kebab-case for URLs, CSS classes, and file names.

All conversion happens locally in your browser, so you can safely paste sensitive text — nothing is sent anywhere.

How the conversions actually behave

The converter splits words on spaces, underscores, hyphens, and existing capital letters - so myVariableName becomes my_variable_name in one click, which is the main reason developers reach for a tool instead of retyping. Sentence case capitalizes after full stops, question marks, and exclamation marks; it cannot know that "paris" is a name, so proper nouns need a manual touch afterwards.

Limits

Title Case here capitalizes every word, including "and", "of" and "the". Publishing style guides (AP, Chicago) keep those small words lowercase, so a headline for a publication that follows one needs a pass by hand. Numbers and symbols pass through untouched, and text in scripts without upper and lower case (Chinese, Japanese, Korean) comes back unchanged - there is nothing to convert.