Welcome to the Rail Fence Cipher Tool!

The Rail Fence cipher is a form of transposition cipher that gets its name from the way in which it is encoded. The plaintext is written downwards and diagonally on successive "rails" of an imaginary fence.

To Encrypt a Message:

1. Enter Plaintext: Type the message you want to encrypt in the text area.
2. Enter Number of Rails: Specify the number of rails to be used for the fence.
3. Click Encrypt: The encrypted message and the rail fence structure will be displayed.

Note: This tool currently only supports encryption.