Case Converter Online

Letter Case Conversion Functions

In this case converter tool you'll find these following letter case type functions:

Lowercase converter

Lowercase converter is a function that converts the letters of a text to lowercase letters. You can convert from uppercase to lowercase or from any other text case types. When letter is already in lowercase, it will remain in that format.
Example: "i like programming in lowercase letters".

Uppercase converter

Uppercase converter converts the letters of a text to uppercase, also known as ALL CAPS format case. You can convert from lowercase to uppercase or from any other text case types. When letter is already capitalized, it will remain in that format.
Example: "YOU ARE VIEWING UPPERCASE LETTERS".

Capitalize - Capital letter converter

In the capitalize function, for each word, it make the first letter capitalized and keeps the remaining letters of the word lowercase.
Example: "This Is A Good Capitalized Phrase".

Sentence case converter

The sentence case converter is a function that capitalizes the first letter of each sentence in the text and keeps or converts the remaining letters of all words in the sentence to lowercase letters. Each sentence separation is based on the following symbols: dot (.), exclamation (!), interrogation (?) and ellipsis (...).
Example: "Hi! I'm mary and i like programming in javascript language. And you?".

Case inverter

The case inverter reverses the case of each letter of the text. When the algorithm finds a lowercase letter it converts to uppercase, and when it finds a lowercase letter it converts to lowercase.
Example: for the text "Change case of tExt IS so funnY!", the result will be "cHANGE CASE OF TeXT is SO FUNNy!".