ZeroUtil

Case Converter

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

How to Use the Case Converter

Paste or type your text, then click a button to convert it. Supported conversions: UPPER CASE, lower case, Title Case, Sentence case, camelCase, snake_case, and kebab-case.

When to Use Each Case

  • UPPER CASE — headings, acronyms, emphasis
  • lower case — normalizing user input, email addresses
  • Title Case — article titles, headings
  • Sentence case — normal prose, paragraphs
  • camelCase — JavaScript variable names
  • snake_case — Python variables, database columns
  • kebab-case — URL slugs, CSS class names

Frequently Asked Questions

What is Title Case?

Title Case capitalizes the first letter of every word. Example: "the quick brown fox" becomes "The Quick Brown Fox".

What is camelCase?

camelCase removes spaces and capitalizes the first letter of each word except the first. Used in JavaScript: "hello world" becomes "helloWorld".

Is my text stored or uploaded?

No. All conversions happen locally in your browser. Your text never leaves your device.

Can I convert code variable names?

Yes. Paste your variable name and use camelCase, snake_case, or kebab-case buttons to convert between naming conventions.

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