Case converter

Title, sentence, upper and lower case, plus camelCase and snake_case.

Convert to

How to use it

  1. Type or paste your text. The result updates as you type.
  2. Pick a case. Title Case and Sentence case are for headlines and writing; camelCase, snake_case and the rest are for code and file names, and convert each line separately.
  3. Copy the result, or Use as input to convert it again.

Questions

Which words stay lower case in Title Case?

Short joining words such as a, an, the, and, but, or, of, in, on, to and for, unless they start the title, end it or follow a colon. Acronyms like NASA and names like iPhone are kept as you typed them.

I typed with Caps Lock on. Can I fix it?

Yes. Choose Sentence case: it lowers everything and capitalizes the start of each sentence and the word “I”. When most of the text is in capitals, it’s treated as shouting rather than as acronyms.

What is camelCase, snake_case and kebab-case?

Ways of writing several words without spaces, used in programming and file names: camelCase joins words with capitals (firstName), snake_case uses underscores (first_name) and kebab-case uses hyphens (first-name).

Is my text uploaded?

No. The conversion happens in your browser and nothing is sent anywhere.