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大文字小文字変換

大文字、小文字、キャメルケース、スネークケースなどに変換。

Features

  • Convert text to UPPER, lower, Title Case
  • Sentence case and camelCase support
  • Toggle case (invert case)
  • Real-time preview
  • One-click copy

How to Use

  1. Paste your text
  2. Click the desired case conversion button
  3. Copy the converted text

Frequently Asked Questions

What case types are available?

UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, and more.

Does it handle special characters?

Yes, special characters and numbers are preserved during conversion.

What is camelCase?

camelCase joins words with the first word lowercase and subsequent words capitalized, e.g. myVariableName. Commonly used in JavaScript.

Can I convert multiple lines at once?

Yes, paste multiple lines and all will be converted simultaneously.