Case Converter

The Case Converter offers 10 conversion formats covering everyday writing and programming naming conventions. Click to convert instantly.

10 Conversion Formats Explained

1. UPPER CASE: All letters capitalized — common in titles, emphasis, or SQL keywords.
2. lower case: All letters lowercased — useful for normalization or pre-processing.
3. Title Case: First letter of each word capitalized — common in English book titles and headings.
4. Sentence case: First letter of each sentence capitalized — standard English sentence format.
5. camelCase: First word lowercase, subsequent words capitalized, no spaces — common in JavaScript variables (e.g. helloWorld).
6. PascalCase: Every word capitalized, no spaces — common in class names and React components (e.g. HelloWorld).
7. snake_case: All lowercase, words joined with underscores — common in Python and database column names (e.g. hello_world).
8. kebab-case: All lowercase, words joined with hyphens — common in CSS classes and URLs (e.g. hello-world).
9. CONSTANT_CASE: All uppercase with underscores — used for constants in programming (e.g. MAX_RETRY_COUNT).
10. tOGGLE cASE: Inverts every letter's case — useful for fun text effects or format scrambling (e.g. hELLO wORLD).

How to use?

1. Paste or type your English text in the input box above.
2. Click any format button below — the text converts in-place instantly.