SAML Decoder

SAML Decoder

Decode and inspect SAML 2.0 Responses, Assertions, and AuthnRequests — paste raw XML or base64-encoded tokens. Displays issuer, subject, conditions (with expiry check), attributes table, authn context, and signature info.

Paste a SAML assertion on the left and click Decode.

Decode a SAML document to see its XML here.

SAML Decoder

Decode and inspect SAML 2.0 Responses, Assertions, and AuthnRequests — paste raw XML or base64-encoded tokens. Displays issuer, subject, conditions (with expiry check), attributes table, authn context, and signature info.

Common uses

  • Decode a SAML Response from an IdP POST assertion
  • Inspect SAML attributes from a corporate SSO login
  • Check SAML conditions expiry

Frequently asked questions

Can I use SAML Decoder to decode a SAML Response from an IdP POST assertion?

Yes. SAML Decoder can decode a SAML Response from an IdP POST assertion, directly in your browser.

Can I use SAML Decoder to inspect SAML attributes from a corporate SSO login?

Yes. SAML Decoder can inspect SAML attributes from a corporate SSO login, directly in your browser.

Can I use SAML Decoder to check SAML conditions expiry?

Yes. SAML Decoder can check SAML conditions expiry, directly in your browser.

Is my data uploaded to a server?

No. This tool runs entirely in your browser — your input is processed locally on your device and is never uploaded or stored on a server.