Letter Numbers

One of the first ciphers that kids learn is this "letter number" cipher. You replace letters with a number: A=1, B=2, C=3, etc.

When encrypting, only letters will be encoded. Non-letters will be treated like spaces. When decrypting, numbers will be changed back to letters, hyphens will be removed, and the rest fill act like spaces.

Method: "ABC XYZ" becomes

Your message:

This is your encoded or decoded text:

In 6.4 sq. cm (1 sq. inch) of human skin, there are 21.9 m (72 feet) of nerves. Tyler Akins <>
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