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Case Converter
Paste any text and switch its case in one click: UPPERCASE, lowercase, Title Case and Sentence case for writing, or camelCase, PascalCase, snake_case, kebab-case and CONSTANT_CASE for code. Accented letters and other alphabets work too.
How to Change Text Case
- Add your text
Type or paste it into the left box, or open a text file. - Pick the case
Choose a style from Case. The result updates as you type, and the line breaks of your text are kept. - Copy or download
Copy the result from the right box, or download it as a .txt file.
Example
the quick brown fox jumps over the lazy dog
The Quick Brown Fox Jumps Over the Lazy Dog
Frequently Asked Questions
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What is the difference between Title Case and Sentence case?Title Case capitalizes the main words of a heading — The Quick Brown Fox Jumps Over the Lazy Dog — and leaves short words such as a, and, of, the in lowercase unless they come first. Sentence case capitalizes only the first word of each sentence, like normal prose.
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What are camelCase, snake_case and kebab-case?Naming styles used in programming.
camelCasejoins words and capitalizes every word after the first,PascalCasecapitalizes all of them,snake_casejoins them with underscores,kebab-casewith hyphens (common in URLs and CSS), andCONSTANT_CASEis snake_case in capitals. -
Does it work with letters like č, ß or Cyrillic?Yes. The page uses your browser's Unicode case rules, so čokolada becomes ČOKOLADA and Cyrillic or Greek text changes case correctly.
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Is my text sent to a server?No. The text is changed in your browser and never leaves your device.