Base62 is a binary-to-text encoding that represents arbitrary data (including binary data) as ASCII text. It encodes data as the 62 letters and digits of ASCII capital letters A-Z, lower case letters a-z and digits 0âÂÂ9.
123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz = 58 characters = base58
0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz = 62 characters = base62
0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz+/ = 64 characters = base64
<span id="Base62table">The Base62 alphabet</span>: