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T TextNivo

Free Online Tool

Case Converter

Convert text to UPPERCASE, lowercase, Title Case, Sentence case or toggle case.

The Case Converter lets you convert text to UPPERCASE, lowercase, Title Case, Sentence case or toggle case. Paste your text below and the converted result appears immediately — no waiting, no upload, and nothing saved anywhere.

How to use the Case Converter

  1. Paste your original text into the input box.
  2. Choose any conversion options offered above.
  3. Copy the converted result, or download it as a .txt file.
  4. Use Clear to start over with new text.

Key features

  • Converts instantly as you type, with no delay.
  • 100% private — your text stays in your browser.
  • Free to use, with no sign-up and no daily limit.
  • Handles both short snippets and long documents well.

Questions

Frequently asked questions

Is the Case Converter free to use?

Yes — the Case Converter is completely free, with no sign-up, no trial period, and no hidden limits.

Is my text uploaded anywhere when I use the Case Converter?

No. The Case Converter runs entirely in your browser using JavaScript. Your text is processed on your own device and is never sent to a server.

Can I use the Case Converter on my phone?

Yes. The Case Converter works in any modern browser, including on mobile devices, with no app to install.

Is there a limit to how much text I can use?

There's no artificial limit. Because everything runs in your browser rather than on a server, the Case Converter can generally handle as much text as your device can comfortably process.

Keep going

Related tools

Camel Case Converter

Convert text or snake_case/kebab-case into camelCase.

Pascal Case Converter

Convert text into PascalCase, with each word capitalized and no spaces.

Snake Case Converter

Convert text into snake_case, lowercase words joined by underscores.

Kebab Case Converter

Convert text into kebab-case, lowercase words joined by hyphens.

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