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Base64 Encoder/Decoder

Encode and decode Base64 strings

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Base64 Encoded

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About Base64 Encoding

  • •Binary-to-text encoding using 64 ASCII characters
  • •Standard Base64 uses A-Z, a-z, 0-9, +, / characters
  • •URL-safe Base64 replaces + and / with - and _
  • •Output is ~33% larger than input data

Base64 in IAM

  • •JWT Tokens – Header and payload are Base64URL encoded
  • •SAML Assertions – XML is Base64 encoded for transport
  • •Basic Auth – Credentials encoded as username:password
  • •API Keys – Often Base64 encoded for safe transmission