Seven case formats explained
Different contexts demand different capitalisation. Writers use UPPER, lower, Title and Sentence case. Programmers also use camelCase, snake_case and kebab-case for naming variables, files and CSS classes. This tool converts your text to all seven instantly.
When to use which
| Case | Best for |
|---|---|
| UPPER | Shouting, acronyms, headlines |
| lower | Casual writing, search queries |
| Title | Book titles, headings |
| Sentence | Standard prose |
| camelCase | JavaScript / Java variable names |
| snake_case | Python variables, database columns |
| kebab-case | CSS classes, URLs, file names |