Free text case converter
Transform text between UPPERCASE, lowercase, Title Case, Sentence case, snake_case, kebab-case, camelCase, PascalCase and CONSTANT_CASE — instantly in your browser. Perfect for fixing pasted text, formatting headlines, and generating code-friendly identifiers. No upload, no sign-up.
How to change text case
- Paste or type your text.
- Click the case you want: UPPER, lower, Title, Sentence, camelCase, etc.
- The transformed text appears instantly.
- Copy the result or download it.
Case types and when to use them
- UPPERCASE / lowercase — for standard text fixes and data cleanup.
- Title Case — capitalises each major word for headlines and titles.
- Sentence case — capitalises only the first letter, for body text.
- snake_case — lowercase_words_with_underscores, used in Python and config files.
- kebab-case — lowercase-with-hyphens, ideal for URL slugs and CSS class names.
- camelCase / PascalCase — for JavaScript/TypeScript variables and component names.
- CONSTANT_CASE — all-caps with underscores, for constants.