Free Case Converter Online

Convert text to UPPERCASE, lowercase, Title Case, Sentence case, or camelCase instantly. Paste your text, pick a case — done. No login required.

Converted output

Your converted text will appear here.

Supported case types

Converts every letter to capitals. HELLO WORLD. Great for headings, acronyms, and emphasis.

Converts every letter to small. hello world. Common for casual writing or code identifiers.

Capitalises the first letter of each word. Hello World. Standard for article and book titles.

Only the first letter of each sentence is capitalised. Hello world. Natural for body text.

No spaces, first word lowercase, each next word capitalised. helloWorld. Used in JavaScript variables.

Words joined by underscores or hyphens. hello_world or hello-world. Common in programming and URLs.

Is there a character limit?

No limit at all. Paste any amount of text — articles, code, scripts. Conversion is instant regardless of length.

Does it preserve punctuation and numbers?

Yes. The converter only changes the case of alphabetic characters. Numbers, punctuation, symbols, and spacing are left exactly as they are.

Is my text sent to a server?

No. All conversion happens entirely in your browser. Your text never leaves your device and is completely private.