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Case Converter

Change text to UPPERCASE, lowercase, Title Case, Sentence case, Capitalized Words or tOGGLE cASE.

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01How to use the Case Converter

  1. 01Paste your text into the input.
  2. 02Pick a case style. The output updates immediately.
  3. 03Copy the result, or use it as the new input to apply another style.

02How each style works

Title Case        capitalises each word except short articles,
                  conjunctions and prepositions (a, and, of, to…)
                  unless they are first or last
Sentence case     capital letter at the start of each sentence
Capitalize Words  capital letter at the start of every word
tOGGLE cASE       swaps upper and lower case for each letter

03Examples

“the lord of the rings” in Title Case: “The Lord of the Rings”.

“HELLO THERE. HOW ARE YOU?” in Sentence case: “Hello there. How are you?”

“war and peace” with Capitalize Words: “War And Peace”.

04Frequently asked questions

Which title case style is used?

A general style close to AP and Chicago: short function words stay lowercase. Style guides differ on details such as prepositions of four or more letters.

Will Sentence case keep names capitalised?

No. Sentence case lowercases everything first, so proper nouns need fixing by hand. The word “I” is capitalised automatically.

Does it work with accented letters?

Yes. Upper and lower case follow Unicode rules, so letters such as é, ß and ø are handled.