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SAML Redirect Binding Builder
Build an unsigned SAML Redirect URL from supplied protocol XML and RelayState.
SAML protocol XML, HTTPS destination, Message parameter, RelayState
saml-redirect-url.txt, saml-redirect-binding-builder.report.json
Browser only
Runs locally in your browser. Your files, pasted content and generated output are not uploaded. Reset clears this tool’s working data.
This tool needs JavaScript. If it does not load, refresh the page and try again.
How to use this tool
- Enter values using the examples, or choose a local file where requested. Follow the displayed supported input shapes and limits.
- Choose Calculate result and inspect the complete result.
- Download result to save the primary file. Where supplied, additional links save source files and the full JSON report. Reset restores examples and clears output.
Examples
SAML protocol XML: <samlp:AuthnRequest xmlns:samlp="urn:oasis:names:tc:SAML:2.0:protocol" ID="_a" Version="2.0" IssueInstant="2026-10-23T00:00:00Z"/>
HTTPS destination: https://idp.example.com/sso?client=demo
Message parameter: SAMLRequest
RelayState: state
Limitations
- Unsigned Redirect only:raw DEFLATE,Base64 and percent-encoded query fields. Supported SAML2 protocol root/Version2.0 must match SAMLRequest/SAMLResponse. HTTPS endpoint without credentials/fragment or reserved SAML fields;preserve other raw query spelling and entries. RelayState at most80 UTF8 bytes. Refuse a protocol-root XML Signature instead of silently removing it. No signing,requests,fetching,execution or trust guarantee;original XML bytes remain in the encoded payload.
- Text fields are limited to100,000 UTF16 units each and400,000 combined UTF8 bytes; file fields have their own displayed limits. Combined output is at most4MiB. Processing stops after30 seconds; tool-specific bounds may be tighter.
- Generated source is a downloadable result and is not executed here. Inspection does not establish remote behavior, trust or standards certification.
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