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Case Converter

Change the capitalization of pasted text in one step. Choose uppercase, lowercase, title case or sentence case and copy the result.

Processed on your deviceFree · No account needed

Preparing your tool…

How to use it

  1. Enter your text and choose a casing style.
  2. Convert, then copy the result.

“a quiet morning” becomes “A Quiet Morning” in title case.

Details & limits

100,000 characters. Uses English casing rules. Title and sentence casing are mechanical, not editorial.

Will names and abbreviations keep their casing?

No. The conversion follows mechanical English rules. Check proper names, acronyms and sentence boundaries before using the result.

What automatic capitalization changes

Uppercase and lowercase apply English casing rules to the whole text. Title case capitalizes each word; sentence case restarts after supported sentence punctuation. These are mechanical transformations, so review names, acronyms and editorial capitalization before using the result. Up to 100,000 input characters are processed in the browser.

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