TinyClimbs

Cryptogram Secret Code Generator

Print free number-to-letter cryptograms for ages 7–10. Pick an A=1 key, mixed-up numbers, or picture symbols; use ready-made jokes and fun facts or type your own secret messages; add hints and an answer key.

Start with the A=1 key and vowel hints for 7-year-olds; mixed-up numbers or symbols with no hints are a real challenge for 9–10.

Go to print queue →4 messages
Number to Letter Code
Use the key to change each number into a letter and crack the secret message.
A1
B2
C3
D4
E5
F6
G7
H8
I9
J10
K11
L12
M13
N14
O15
P16
Q17
R18
S19
T20
U21
V22
W23
X24
Y25
Z26
  1. 1.
    20182525152118251920114425161815214
  2. 2.
    141251514225142119919121514751820811492019255118
  3. 3.
    20851315151481191415239144
  4. 4.
    17918166581191162118161252015147215
Answer KeyNumber to Letter Code
A1
B2
C3
D4
E5
F6
G7
H8
I9
J10
K11
L12
M13
N14
O15
P16
Q17
R18
S19
T20
U21
V22
W23
X24
Y25
Z26
  1. 1.
    T20R18Y25Y25O15U21R18B2E5S19T20A1N14D4B2E5P16R18O15U21D4
  2. 2.
    A1D4A1Y25O15N14V22E5N14U21S19I9S19L12O15N14G7E5R18T20H8A1N14I9T20S19Y25E5A1R18
  3. 3.
    T20H8E5M13O15O15N14H8A1S19N14O15W23I9N14D4
  4. 4.
    A1G7I9R18A1F6F6E5H8A1S19A1P16U21R18P16L12E5T20O15N14G7U21E5