Text Case Converter
Quickly transform multiline strings, code identifiers, titles, and text blocks into 11 distinct case formats. All processing is computed 100% locally in your browser.
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Supported Case Styles & Transformation Rules
Word segmentation splits on camelCase boundaries, underscores, hyphens, and whitespace while preserving Unicode and numbers.
| Style | Example Output | Typical Application |
|---|---|---|
| UPPERCASE | HELLO WORLD | Acronyms, legal disclaimers, urgent warnings |
| lowercase | hello world | URLs, email addresses, database search normalizations |
| Title Case | Hello World | Headlines, book chapters, blog post titles |
| Sentence case | Hello world. Welcome back. | Standard prose paragraphs, documentation body text |
| camelCase | helloWorld | JavaScript, TypeScript, and Java variable and function names |
| PascalCase | HelloWorld | React components, C# and TypeScript class definitions |
| snake_case | hello_world | Python methods, SQL column names, database schemas |
| kebab-case | hello-world | CSS classes, URL slugs, HTML attributes, package names |
| CONSTANT_CASE | HELLO_WORLD | Environment variables, global configuration constants |
| dot.case | hello.world | Package namespaces, configuration dot-notation keys |
| Alternating Case | hElLo wOrLd | Internet memes, creative emphasis |