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Case Converter

Switch text between UPPER, lower, Title, Sentence, camelCase, snake_case and more.

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This tool runs in your browser. Nothing is uploaded.

About Case Converter

Case Converter changes the capitalisation of any text in one click: sentence case, title case, uppercase, lowercase, alternating, and programmer cases like camelCase, snake_case and kebab-case.

For fixing text typed with caps lock on, formatting headings, and naming variables.

What it does

  • Ten case styles
  • Title case keeps short words lowercase
  • Copy or download the result

How to use Case Converter

  1. Paste your text.
  2. Choose a case style.
  3. Copy the converted text.

Frequently asked questions

Which words stay lowercase in title case?

Short articles, conjunctions and prepositions such as a, and, of and the, unless they are the first or last word.

Does it work with accented letters?

Yes. Case changes use your browser's language-aware rules.

Limits and privacy

Title case uses English style rules.

Everything happens on your device, so your content never reaches our server.

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