Substitution tool
To use the substitution tool paste in your encrypted text into the box, and then enter letters into the smaller boxes to substitute them. The box below will then show you the text with your substitutions in.
Key
Plaintext
CIPHERTEXT
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
Ciphertext
PASTE text into this area
'Original' Ciphertext