Case Converter
Convert between UPPER, lower, Title, Sentence, camelCase, PascalCase, snake_case, kebab-case, CONSTANT and aLtErNaTe.
About Case Converter
What this does
Transform any text into ten common casings — pick a button and copy the result. Works on prose, code identifiers, CSV headers, and slugs. Everything happens in your browser.
The ten casings, at a glance
- UPPER and lower — the classics.
- Title Case — capitalises every word except common stop words (a, an, the, and, but, for, on, at, to, from, by, of, in) — the AP-style default.
- Sentence case — first letter of each sentence.
- camelCase / PascalCase — for JavaScript / Java identifiers.
- snake_case / kebab-case — Python / URL slugs.
- CONSTANT_CASE — for enum values and env variable names.
- aLtErNaTe — the ironic-quote meme case.
Frequently asked questions
Yes — a, an, the, and, but, or, for, nor, on, at, to, from, by, of, in stay lowercase unless they are the first word.
By any run of non-alphanumeric characters. So "user id 42" becomes userId42 (camel) or user_id_42 (snake).
No — every conversion runs locally in your browser.
UPPER / lower and Sentence case work on any Unicode script. The programming casings (camel/pascal/snake/kebab/constant) tokenise on Latin word characters and are best used with English source strings.
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Case Converter
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