Case converter
Change the case of any text in one click: UPPER CASE, lower case, Title Case, Sentence case, and developer formats like camelCase, snake_case, kebab-case or CONSTANT_CASE.
Everything runs in your browser — nothing is sent anywhere
How to use
- Paste or type your text.
- Click the case you need — the result appears below.
- Copy the result, or feed it back as input for another conversion.
FAQ
What is the difference between Title Case and Sentence case?
Title Case capitalises every word; Sentence case capitalises only the first letter of each sentence.
How does camelCase detect words?
Words are split on spaces, punctuation and existing case boundaries, so 'user_id', 'user-id' and 'UserID' all become 'userId'.
Does it work with Cyrillic or accented letters?
Yes. Conversion uses Unicode-aware rules, so ą, ё, ß and similar characters are handled correctly.
Is my text uploaded?
No. Everything runs in your browser; the text is never sent to a server.