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  4. Case Converter

Case Converter

Last updated: February 9, 2026

Convert text between various case formats. Supports developer-friendly formats like camelCase, snake_case, and kebab-case.

Features

  • ▶UPPERCASE conversion
  • ▶lowercase conversion
  • ▶Title Case conversion
  • ▶Sentence case conversion
  • ▶camelCase and PascalCase
  • ▶snake_case, kebab-case, CONSTANT_CASE

How to Use This Tool

1

Enter Text

Type or paste the text you want to convert.

2

Select Case

Choose your desired case format from the available options.

3

Copy Result

Copy the converted text to your clipboard.

Case Transformation

Applies different case transformations using JavaScript string methods and custom algorithms.

Supported Cases

Includes uppercase, lowercase, title case, sentence case, and various programming cases like camelCase and snake_case.

Case Conversion Logic

Upper/lower case use JavaScript's built-in string methods with locale awareness. Title case splits on word boundaries and capitalizes first letters. Programming cases (camelCase, snake_case) use regex to identify word boundaries and apply transformations.

Word Boundary Detection

For Title Case, we identify words by spaces, hyphens, and other punctuation. For camelCase detection, we find boundaries at capital letters and underscores. This allows converting between any case style while preserving the original word structure.

Frequently Asked Questions

The tool supports: UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case, and CONSTANT_CASE.

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Tool History is a Supporter feature.

Tool Notes is a Supporter feature.