Shift each alphabet character by a chosen numeric key.
In an Additive cipher (aka Caesar Cipher),
each character of the alphabet is assigned a value and a key number within the alphabet is chosen. Each character is added with this key number and the
corresponding letter is substituted (mod 26). The values of the alphabet characters start at 0 so A = 0, B = 1, etc.
Example the letter M (12th letter) and key 16 would be 12 + 16 = 28. 28 modulo 26 = 2 so the letter C would be
chosen. Note: This cipher is closely related to the Affine cipher.
Case
Filter
Whitespace
Find & Replace
Quick insert:
Group
Everychars
Enter a keyword or phrase and the alphabet will be calculated for you.