Case Converter

Free case converter. Convert text to uppercase, lowercase, Title Case, Sentence case, camelCase, snake_case, and more.

How the Case Converter works

The tool applies JavaScript string transformations to each character or word. UPPERCASE and lowercase use toUpperCase/toLowerCase, Title Case capitalizes the first letter of each word, and camelCase or snake_case split on word boundaries and rejoin with the target delimiter or casing pattern.

How to use the Case Converter

  1. 1The case converter is designed to be simple and fast.
  2. 2Paste your text.
  3. 3Pick a case style.
  4. 4Copy the result.
  5. 5Your result is shown immediately.

Examples

  • hello world = HELLO WORLD
  • hello world = Hello World (Title)

Benefits

  • Completely free with no signup required.
  • Runs entirely in your browser for instant results and privacy.
  • Works on mobile, tablet and desktop.
  • Results can be copied with one click.

Frequently Asked Questions

Is the case converter free to use?

Yes. The case converter is 100% free, with no signup, no watermark and no hidden limits.

Does the case converter store my data?

No. All calculations and processing happen locally in your browser. Nothing is uploaded to a server.

Does the case converter work on mobile?

Yes. The case converter is fully responsive and works on phones, tablets and desktop computers.

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