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Case Converter

Switch text between UPPER, lower, Title, camel, snake and kebab.

Choose a case

Private by design. This tool runs entirely in your browser. Your input is processed on your own device and is not uploaded by DO101.

About the Case Converter

Convert text between every case you need: sentence case, lowercase, UPPERCASE, Title Case, camelCase, PascalCase, snake_case, kebab-case and CONSTANT_CASE. Handy for writing and for renaming variables.

How to use it

  1. 1Paste your text.
  2. 2Tap the case you want.
  3. 3Copy the converted result.

What you get

  • Nine case styles
  • One-tap copy
  • Preserves acronyms in Title Case where sensible
  • Works on long text
  • In-browser only

Frequently asked questions

What is the difference between Title Case and Capitalized Case?

Title Case leaves short joining words such as "of" and "and" lowercase unless they start the title. Capitalized Case capitalises every word.

Which case should I use for code?

camelCase for JavaScript variables, PascalCase for classes and React components, snake_case for Python, kebab-case for URLs and CSS classes.

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