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Glossary Data & Encoding

Base32

Base32 is an encoding that represents binary data using 32 safe characters, the letters A to Z and the digits 2 to 7.

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In more detail

Each character carries 5 bits, so the output is about 60% larger than the input (Base64 adds 33%). Hello encodes to JBSWY3DP. It is case-insensitive and avoids easily confused characters, which is why one-time-password secrets use it.

Try these tools

Base32 Encode

Encode plain text into Base32 (RFC 4648) format instantly in your browser.

Base32 Decode

Decode Base32 (RFC 4648) strings back into readable plain text instantly in your browser.

See also

  • Glossary Base64
    Base64 is an encoding that writes any binary data using only 64 safe text characters (A-Z, a-z, 0-9, + and /).
  • Cheat sheet Binary, Octal & Hex Table Cheat Sheet
    0 to 31 in decimal, binary, octal and hex, the powers of two, hand-conversion shortcuts and the Base32 alphabet.
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