Convert Case: Easily Convert Text to and from UPPERCASE, lowercase, or Sentence case

Easily convert case between lowercase, uppercase, sentence case, and more with our free online case converter tool. Instantly change the case of any text you input - no signup required!

Our simple online Convert Case tool

To use our Convert Case tool, simply type or paste your text into the input box.

Then, choose whether you want to convert to uppercase or lowercase using the radio buttons.

Finally, click the “Convert Case” button.

The converted text will appear in the output box.

For example, if you input “Hello World” and select “Uppercase”, the output will be “HELLO WORLD”.

If you select “Lowercase” instead, the output would be “hello world”.

And if you choose “Sentence Case,” you will get “Hello world.”

Try the Convert Case tool here!



Covert text case: any text, in any language!

The Text Case Converter works with any text in any language.

You can convert single words, sentences, paragraphs or even large blocks of text.

It will preserve all punctuation, spaces and special characters.

This tool can be useful for formatting text for consistency, making text easier to read, formatting titles or headings, changing text case for coding purposes, and various other text formatting needs.

douglas heingartner editor saywhatyo!
Douglas Heingartner

Douglas Heingartner, the editor of SayWhatYo!, is a journalist based in Amsterdam. He has written about science, technology, and more for publications including The New York Times, The Economist, Wired, the BBC, The Washington Post, New Scientist, The Associated Press, IEEE Spectrum, Quartz, The Village Voice, The Los Angeles Times, Frieze, and others. His Google Scholar profile is here, his LinkedIn profile is here, and his Muck Rack profile is here.