Free · No sign-up · Runs in browser

Case Converter

Instantly convert text to UPPER, lower, Title, Sentence, camelCase, snake_case, kebab-case, and more. Runs 100% in your browser — nothing leaves your device.

Basic

Code

Fun

Text Input

Converted Text

// Your converted text will appear here…

Preserve newlinesTrim whitespace

11 case formats

UPPER, lower, Title, Sentence, camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, aLtErNaTiNg, and iNVERSE.

Fully private

Your text never leaves the browser. Safe for code, passwords, configs, or any sensitive content.

Flexible options

Preserve newlines for multi-line text, trim whitespace per line — all configurable before conversion.