Caesar Cipher

Enter in a message to be converted to Cipher Text

This process uses a Caesar Cipher. This is a process of consistently shifting of all characters by a nominated key shift.

ab cd ef gh ij kl mn op qr st uv wx yz
01 23 45 67 89 1011 1213 1415 1617 1819 2021 2223 2425

For example the letter 'a' (index 0) shifted 5 times would result in 'a' becoming (0+5=5) 'f' (index 5)

Or the letter 'r' (index 17) shifted 5 times becomes (17+5=22) 'w' (index 22)

 

Enter in a message to be encrypted. Type in your message then the shift value (add a - for negative). Then press 'enter'

The result will be shown below. Note: any spaces will be ignored.

Message

Shift

Enter in a message to be converted from Cipher Text

This process uses a Caesar Cipher. This is a process of consistently shifting of all characters by a nominated key shift. In this case we will undo the encryption.

Enter in the encrypted message to be decrypted. Type in your message then the shift value. Then press 'enter'

The result will be shown below. Note: any spaces will be ignored.

Encrypted message

Shift