Case converter

Instantly convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case and more. Everything runs in your browser.

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What each case style means

  • Title Case — Capitalises The First Letter Of Every Word. Used for headlines and titles.
  • Sentence case — Capitalises only the first letter of each sentence.
  • camelCase — firstWordLowerRestCapitalised. Common for JavaScript variables.
  • PascalCase — EveryWordCapitalised. Used for class and component names.
  • snake_case — words_joined_with_underscores. Common in Python and databases.
  • kebab-case — words-joined-with-hyphens. Used for URLs and CSS classes.
  • CONSTANT_CASE — UPPERCASE_WITH_UNDERSCORES. Used for constants and env variables.

Frequently asked questions

Is my text sent to a server?

No. All case conversion happens locally in your browser. Nothing is uploaded, so it is safe for private text.

Can it fix ALL CAPS text I typed by accident?

Yes. Paste the text and choose Sentence case or Title Case to restore normal capitalisation instantly.

Which case should programmers use?

It depends on the language: camelCase for JavaScript variables, PascalCase for classes/components, snake_case for Python, and kebab-case for URLs and CSS.

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