Rotate by 13 places (ROT13) is considered the simplest cipher, which changes a letter with the 13th letter after it in the alphabet.
Generally, ROT13 relates to a specific case of the Caesar cipher. Its roots are from ancient Rome.
Nowadays, ROT13 is widely used in online forums for hiding offensive comments, spoilers, and so on.
Once implementing ROT13 to a piece of text requires to investigate its alphabetical characters and interchanging each of them by the 13th letter located further in the alphabet, wrapping back to the start when it is needed. For instance, B will turn to O, A will turn to N, and so on.
This useful tool is here to help you in encoding or decoding a particular string from ROT13 to text. What you need is to type the text and submit it.