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Base64 Encoder for XML Payloads

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SOAP and SAML require Base64-encoded XML. Especially important for SAML auth assertions.

Example

<saml:Assertion><saml:Issuer>https://idp.example.com</saml:Issuer></saml:Assertion>
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Tips

  1. 1SAML responses contain Base64 assertions.
  2. 2No extra whitespace before encoding.
  3. 3SOAP MTOM uses Base64.

Frequently Asked Questions

Why Base64 for SAML?

Assertions travel via HTTP POST form parameters.

Decode SAML?

Yes. Paste SAMLResponse value.

Different from text?

No. Base64 treats all input as bytes.