Text Case Converter
Paste any text and instantly transform it into the case you need — no upload, no account, everything runs locally in your browser.
Result
When to use each case
UPPERCASE for headings and emphasis · lowercase for URLs and filenames · Title Case for article headlines · Sentence case for normal writing · camelCase and PascalCase for code variables and classes · snake_case and kebab-case for file names and CSS · CONSTANT_CASE for constants.