Case Converter

Change text to UPPERCASE, lowercase, Title Case, camelCase, and more. Format your text formatting in a single click.

Enter text

UPPERCASE

lowercase

Title Case

Sentence case

camelCase

snake_case

aLtErNaTiNg

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About the author

Written and maintained by the Tool4SaaS team. Every tool runs locally in your browser and is tested in-house for accuracy. Last updated: September 9, 2026.

Frequently asked questions

Uppercase, lowercase, title case, sentence case, camelCase and snake_case.

It transforms letters according to the selected rule and preserves the rest of your text.

Yes, it is free, works offline in your browser, and your data never leaves your device.

How to use Case Converter

Paste text: Paste the text you want to transform.
Pick a case: Pick the case (upper, lower, title, sentence, camel, snake).
Copy: Copy the converted text.