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Text Case Converter

Convert text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, and more. 100% private.

100% private

This tool runs entirely in your browser. Your input never leaves your device — no uploads, no tracking, no accounts.

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About Text Case Converter

Convert text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, and more. 100% private.

How to use

  1. Enter your input in the tool above.
  2. Adjust any options (indent, format, etc.) to your preference.
  3. Use the Copy or Download buttons to save the result.
  4. Everything happens locally — your data never leaves your browser.

Frequently asked questions

What cases are supported?
UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, dot.case, and alternating case — 11 in total.
How does Title Case handle small words?
Articles, conjunctions, and short prepositions (a, an, the, and, but, or, for, nor, in, on, at, to, by, of, etc.) are kept lowercase unless they're the first or last word of the string, following standard title-case rules.