Fix accidental caps lock, format headlines, or convert phrases into variable names. Pick a case style and your text is converted instantly.
How to use the Case Converter
- 1 Paste your text into the input box.
- 2 Choose a case style — the output updates immediately.
- 3 Copy the result, download it, or reuse it as new input.
Worked examples
Input: the lord of the rings
Result: The Lord of the Rings
Minor words stay lowercase
Input: user account id
Result: userAccountId
Popular in JavaScript
Input: XMLHttpRequest parser
Result: xml_http_request_parser
Splits camel humps and acronyms
Which case should I use?
- Title Case — headlines, book and article titles.
- Sentence case — UI labels, body copy and most modern headings.
- camelCase — JavaScript and Java variables and functions.
- PascalCase — class and component names.
- snake_case — Python, Ruby and database column names.
- kebab-case — URLs, CSS classes and file names.
- CONSTANT_CASE — constants and environment variables.
Programming cases are applied line by line, so you can convert a whole list of names in one go.
Private by design
All processing happens in your browser. Your text is never uploaded, logged or stored on a server.
Frequently asked questions
How do I convert all caps to normal text?
Choose "Sentence case" to lowercase everything and capitalise the first letter of each sentence.
Which words stay lowercase in Title Case?
Short articles, conjunctions and prepositions such as a, an, the, and, of, in and to — unless they are the first or last word.
Does it support accented letters?
Yes. Upper and lower case work for all scripts; programming cases strip accents for safe identifiers.
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