Case Converter
Paste text and switch it to uppercase, lowercase, title case, sentence case or programming cases in one click.
🔒 Private: runs in your browser, no upload
How to change text case
- Paste or type your text in the left box.
- Click a case button — the result appears on the right and updates as you edit.
- Click Copy to use the converted text.
Which case to use
- Title Case — headlines and book titles (capitalises every word).
- Sentence case — normal prose; fixes text typed with Caps Lock on.
- camelCase / PascalCase — JavaScript and Java variable and class names.
- snake_case / CONSTANT_CASE — Python variables and constants.
- kebab-case — URLs, CSS classes and file names.
Frequently asked questions
Does it work with accented letters?
Yes. Conversions use Unicode rules, so letters like é, ñ, ü and ß are handled correctly.
Does Title Case follow AP or Chicago style?
No. It capitalises the first letter of every word. Style guides keep short words like “of” or “and” lowercase, so review headlines manually.
Is my text sent anywhere?
No. All conversions run in your browser.
What do camelCase and snake_case do with punctuation?
Spaces, hyphens, underscores and dots are treated as word separators; each line is converted separately.