UPPERCASE is capital letters of an alphabet. The terms of uppercase, also known as upper-case, block letter, or caps, refer to big letters (A, B, C, …, Z) as opposed of lowercase (a, b, c, …, z).
Based on the historical notes, uppercase, also called majuscules, was generally used in Greek and Latin writing system.
Don’t be confused between UPPERCASE and Capitalized terms. We use a capitalized letter to describe in the first letter of the word or sentence while UPPERCASE is used to describe the words in every letter being capitalized.
Example of Capitalize: The first letter in this sentence is capitalized.
Example of UPPERCASE: the acronym of NASA is in uppercase

Most of the modern languages that have capitalization, including English, capital letters are used in the first letter of a sentence, a proper noun, or proper adjective.
English alphabet uppercase letters: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
When do you use capital letter?
As mentioned earlier, we use capital letters in the first letter of a sentence, a proper noun, or proper adjective.
A proper noun is a noun that belongs to the class of words used as names for unique individual, event, or place. Examples of proper nouns: Michael, Los Angeles, Coca-Cola, etc (begin with a capitalized letter).
A proper adjective is modified nouns and pronouns that derived from proper nouns. Examples of proper adjectives: Bostonian, Shakespearean, Trumpian
How to UPPERCASE using Easy Case Converter?
You can access a brief manual to use Easy Case Converter through this link. In our tools, specifically in the Case Converter Toolbar, you can find the “UPPERCASE” button as shown in the following figure:

All you need is copy-paste your text to the text area and click the “UPPERCASE” button. After your text changed into lower case, you can save your work as a .txt file or just click the copy button (button with clipboard icon) if you want it to paste it to another text editor.
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