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 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.
Yes. SAML Decoder can decode a SAML Response from an IdP POST assertion, directly in your browser.
Yes. SAML Decoder can inspect SAML attributes from a corporate SSO login, directly in your browser.
Yes. SAML Decoder can check SAML conditions expiry, directly in your browser.
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.