Case Converter - Your Online Tool for Upper, Lower, Sentence, Title, and Invert Case Conversion

This is a free online tool for converting the case of your text. Just paste your text into the textbox and choose one of the five options below. The website will automatically convert your text to the case you selected. After that, you can simply copy the result and use it!

How to Use:

Simply paste or write text in the textbox above, then press one of the buttons bellow the textbox to select the conversion type. The types are also explained bellow.

Case Types:

Uppercase

This case type converts all letters in the text to uppercase.
Example: THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG.

Lowercase

This case type converts all letters in the text to lowercase.
Example: the quick brown fox jumps over the lazy dog.

Sentence Case

This case type capitalizes the first letter of each sentence.
Example: The quick brown fox jumps over the lazy dog.

Title Case

This case type capitalizes the first letter of each significant word, excluding common stop words like "and", "of", "the", etc., unless they are the first word.
Example: The Quick Brown Fox Jumps Over the Lazy Dog.

Invert Case

This case type flips the case of each letter — uppercase letters become lowercase, and lowercase letters become uppercase.
Example: tHE QUICK BROWN FOX JUMPS OVER THE LAZY DOG.