SAML Response Decoder
Decode a base64 SAML response and read its issuer and NameID, entirely in your browser.
Runs in your browser. Nothing is uploaded — your input is processed on this device and discarded when you close the tab.
SAML Response Decoder
How to use this tool
- Enter your values in the fields above.
- Press Generate to see the result.
- Use Load sample to try the worked example, Copy result to copy it, or Clear to start again.
Worked example
Decoding the sample response gives issuer example.com/idp and NameID user@example.com.
What this tool does not do / Limits
This decodes and reads the pasted response only. It does not validate signatures, check expiry, or contact any provider.
Frequently asked questions
Is my response uploaded?
No. Decoding happens in your browser and the text never leaves the page.
Does it validate the signature?
No. Signature validation needs the provider keys and is out of scope here.
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