case

Case Converter — Switch text between UPPERCASE, lowercase, Sentence case, and tOGGLED cASE. Runs entirely client-side inside your browser.

Title Case Converter — Transform any line into AP-style title case — first and last word capitalized, minor words like 'and', 'the', 'of' lowercased.

Text Case Inverter — Swap the case of every character in your text — uppercase letters become lowercase and lowercase letters become uppercase.