Base_62

Base62

Base62

Positional notation using 0-9, A-Z, and a-z

The base62 encoding scheme uses 62 characters. The characters consist of the capital letters A-Z, the lower case letters a-z and the numbers 0–9. It is a binary-to-text encoding scheme that represents binary data in an ASCII string format.[1][2]

123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz
= 58 characters = base58

0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
= 62 characters = base62

0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz+/
= 64 characters = base64

Base62 table

The Base62 index table:

More information Decimal, Binary ...

See also

References

  1. [1]
    Kejing He; Xiancheng Xu; Qiang Yue (November 19, 2008). "A secure, lossless, and compressed Base62 encoding". 2008 11th IEEE Singapore International Conference on Communication Systems. Institute of Electrical and Electronics Engineers. pp. 761–765. doi:10.1109/ICCS.2008.4737287. ISBN 978-1-4244-2423-8. S2CID 10831128. Retrieved 12 August 2020. This base62 compressed encoding has been tested & The 62 alphanumeric characters (A-Z, a-z, 0–9)
  2. [2]
    Wu, Pei-Chi (June 18, 2001). "A base62 transformation format of ISO 10646 for multilingual identifiers". Software: Practice and Experience. 31 (12): 1125–1130. doi:10.1002/spe.408. S2CID 32472727. Retrieved August 13, 2020. within a [0–9][A–Z][a–z] range, a total of 62 base characters
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