Text & code · runs locally

Convert text case

UPPER, lower, Title, Sentence, camelCase, snake_case, kebab-case and more — one paste away.

Runs on your device No uploads, ever Free, no account
  1. 1
    Paste your text

    A heading, a variable name, a shouty email — all valid inputs.

  2. 2
    Pick a case

    The full menu: Upper, lower, Title, Sentence, camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE.

  3. 3
    Tune Title Case

    Minor words stay lowercase, the first and last words and anything after a colon get capitals. Keep brand names exact in the custom-terms field — iPhone, OpenAI, API.


Questions people actually ask

Will Title Case mangle small words?

It keeps 'and', 'of', 'the' lowercase in the middle of titles — which is the actual rule, respected. The first and last word still get a capital.

Does it work on text with line breaks?

Yes, every casing is applied line by line, so lists of identifiers or headings survive intact.

Can I keep brand names and acronyms exactly as typed?

Yes. Put them in the 'Always keep these words' field, comma-separated. Title Case also keeps ALL-CAPS acronyms by default; turn that off for a shouty headline.


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