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Baconian (Francis Bacon's) Cipher
 
Strictly speaking the Baconian Cipher is a steganographic code rather than a true cipher. A message is hidden in the way the text is written, instead of its content. Certain letters are replaced with either bold or italic letters. The complete text is split into groups of five letters and then the letters in these groups represented as 'A' or 'B'. The 'B's are the placement of the altered font or style, this is then matched to its letter code according to the alphabet of the Baconian cipher.

There are two different versions of the Baconian alphabet, one has the same codes for I/J and U/V whereas the second one treats these letters individually, as both methods may be encountered I have included both versions here.




Version 1 - containing combined letters

A = AAAAA
B = AAAAB
C = AAABA
D = AAABB
E = AABAA
F = AABAB
G = AABBA
H = AABBB
I + J = ABAAA
K = ABAAB
L = ABABA
M = ABABB
N = ABBAA
O = ABBAB
P = ABBBA
Q = ABBBB
R = BAAAA
S = BAAAB
T = BAABA
U + V = BAABB
W = BABAA
X = BABAB
Y = BABBA
Z = BABBB



Version 2 - containing separated letters

A = AAAAA
B = AAAAB
C = AAABA
D = AAABB
E = AABAA
F = AABAB
G = AABBA
H = AABBB
I = ABAAA
J = ABAAB
K = ABABA
L = ABABB
M = ABBAA
N = ABBAB
O = ABBBA
P = ABBBB
Q = BAAAA
R = BAAAB
S = BAABA
T = BAABB
U = BABAA
V = BABAB
W = BABBA
X = BABBB
Y = BBAAA
Z = BBAAB
 
Baconian Cipher Tool
Select version:

Plaintext:
                                  

Ciphertext:

Many Thanks to Mage for the script