Caesar cipher & ROT13 New
Encode and decode text with the Caesar cipher or ROT13, and see all 25 shifts at once to crack a message without knowing the key.
Letter value calculator (A=1, B=2)
A favourite in geocache puzzles: every letter gets its place in the alphabet. See the value of each letter, the sum per word and the digital root.
Runs in your browser. Nothing is uploaded.
Loading the letter value calculator…
How to use the letter value calculator
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Type the words.
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Choose A=1 or the reversed alphabet, Z=1.
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Read the value per letter, the sum per word, the total and the digital root.
Frequently asked questions
What is the digital root?
The sum of the digits, repeated until one digit is left. The digital root of 64 is 6 + 4 = 10, then 1 + 0 = 1.
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