Case converter
Change text to uppercase, lowercase, Title Case, Sentence case, camelCase or snake_case instantly. Free, private, in your browser.
🔒 Your files stay on this device. Nothing is uploaded.
Input
Your files stay on this device. Nothing is uploaded.
Paste text, click a case, copy the result.
How it works
- Paste your text.
- Click the case you want.
- Copy.
This tool runs entirely in your browser. Your files are never uploaded, so there is no size limit and it works offline once loaded.
Frequently asked questions
Does Title Case keep small words lowercase?
Yes: articles and short prepositions (a, an, the, of, in…) stay lowercase except at the start.