How to change the Text into Lowercase to Uppercase with single Click

Here is one more useful website ConvertCase which lets you to change the whole text into different formats with single button click. It coverts the text into different formats like

• Sentence Case
• Lower Case
• Uppercase
• Capitalized Case

After converting the text into specific format there is and option to save the text as a .txt file or else you can copy to Clipboard.
In the image the i changed the text into Uppercase.