Toolhaus

Case Converter

Convert text between UPPER, lower, Title, Sentence, camelCase, snake_case and kebab-case.

Transform text between common letter cases including uppercase, lowercase, title case, sentence case, camelCase, snake_case, and kebab-case. All local.

Output
—

Formula & methodology

Programming cases tokenize on word boundaries; natural cases apply locale-independent capitalization rules.

Worked example

  • Hello World → hello_world (snake)

Frequently asked questions

What is title case here?

Each word is capitalized. For strict editorial title case, review small words manually.

Privacy

All processing happens locally in your browser. Your data is never uploaded.

Read the practical guide for this category.

Related tools