テキスト大文字小文字変換ツール
複数行文字列、変数名、見出しを11種類のケース形式に瞬時に変換します。すべての処理はブラウザ上で完結します。
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Supported Case Formats Reference
| Format | Example Output | Primary Usage |
|---|---|---|
| UPPERCASE | HELLO WORLD | Headings, acronyms, SQL keywords, and urgent warnings. |
| lowercase | hello world | URLs, email addresses, normalized search tags. |
| Title Case | Hello World | Article headlines, book titles, and navigation links. |
| camelCase | helloWorld | JavaScript, TypeScript, and Java variable and function names. |
| PascalCase | HelloWorld | Class names, React component identifiers, and TypeScript types. |
| snake_case | hello_world | Python variables, database column names, and JSON fields. |
| kebab-case | hello-world | URL slugs, CSS class names, and CLI command flags. |
| CONSTANT_CASE | HELLO_WORLD | Global constants, environment variables (.env), and enum keys. |