Case Converter
Change the capitalisation of text in one click — useful for titles, headings, and fixing pasted text.
Private by design: this tool runs 100% in your browser. Your files and text never leave your device, are never uploaded, and are never stored by Crazlee.
How to use
- Paste or type your text.
- Click the case style you want.
- Copy the result.
Worked example
“hello world, this is a test” becomes “Hello World, This Is A Test” in Title Case.
Frequently asked questions
What is sentence case?
Only the first letter of each sentence is capitalised, like normal writing.
What is title case?
The first letter of each word is capitalised.
Is my text uploaded?
No. Conversion happens in your browser.
Does it fix spelling?
No. It only changes capitalisation.
Can I convert a whole document?
Copy the text, convert it here, then paste it back.