Case Converter
Convert text between UPPER, lower, Title, and sentence case
Enter Text
Output
How to Use
- Paste or type your text into the input box.
- Click any case button: UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, kebab-case, or aLtErNaTiNg.
- The converted text appears instantly — click Copy to use it.
Case Styles and When to Use Them
| Style | Example | Common Use |
|---|---|---|
| UPPERCASE | HELLO WORLD | Headings, warnings, acronyms |
| lowercase | hello world | Email addresses, URLs |
| Title Case | Hello World | Book titles, article headings |
| Sentence case | Hello world. | Normal prose, UI text |
| camelCase | helloWorld | JavaScript variables, JSON keys |
| PascalCase | HelloWorld | C# classes, React components |
| snake_case | hello_world | Python variables, SQL columns |
| kebab-case | hello-world | CSS classes, HTML IDs, URL slugs |
Developer Tip
When you receive a database column name in snake_case and need to convert it to a camelCase JavaScript variable — or convert a class name to a URL slug — this tool saves the mental effort and avoids typos.