Can it turn camelCase into snake_case?

Yes. It splits the input into words by case, underscores and spaces, then rejoins in the target style, so styles interconvert.

Naming formats rebuild word by word; to keep original punctuation, use UPPERCASE/lowercase/Title Case.

Are my files or data uploaded?

No. Everything runs locally in your browser with no network upload, and is discarded when you close the page.

Do I need to sign up or pay?

No. The site is completely free, needs no account and has no usage limits.

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🔠Case Converter - Convert camelCase, snake_case & More Online

Convert text or an identifier into many formats at once: UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE and toggle case. Handy for renaming variables, titles and code style.

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How to use Case Converter

1Type your text or identifier
2Every format is listed below
3Click Copy next to the one you need

FAQ

Can it turn camelCase into snake_case?: Yes. It splits the input into words by case, underscores and spaces, then rejoins in the target style, so styles interconvert.
Is punctuation kept?: Naming formats rebuild word by word; to keep original punctuation, use UPPERCASE/lowercase/Title Case.
Are my files or data uploaded?: No. Everything runs locally in your browser with no network upload, and is discarded when you close the page.
Do I need to sign up or pay?: No. The site is completely free, needs no account and has no usage limits.