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大文字・小文字変換

テキストの大文字・小文字を変換

ブラウザで動作 · アップロード不要

このツールとページ内の説明は、現在は英語のみです。動作は同じで、すべてブラウザ内で実行されます。

Change to

camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE and dot.case convert each line separately, which is handy for lists of names.

  • 何も端末から出ません
  • サーバーによるサイズ制限なし
  • 登録不要・透かしなし
  • 無料

How to change text case

  1. Type or paste your text, or open a text file.
  2. Pick the case you want. The result updates immediately.
  3. Copy the result or download it.

Cases

  • UPPERCASE, lowercase and tOGGLE cASE.
  • Title Case (small words like "and" and "of" stay lowercase) and Capitalize Each Word.
  • Sentence case, which also capitalizes "I".
  • For code and file names: camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE and dot.case, line by line.

Your text stays in your browser

Nothing you type or paste is sent anywhere. It is processed on your device and disappears when you close the page.

よくある質問

Are words in capitals like NASA kept?

In Title Case, yes: words already written fully in capitals are kept.

Does it work with accents and other alphabets?

Yes, for all languages with upper and lower case letters.