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SAML POST Form Generator
Generate an escaped manual-submit HTML form for a supplied Base64 SAML POST response.
Base64 SAMLResponse, HTTPS action, RelayState
saml-post-form-generator.json (complete report and generated source where applicable)
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 displayed examples; observe the documented input shape and limits.
- Choose Calculate result. Review the complete JSON report and any generated source text it contains.
- Download result to save the complete report; copy generated source into your project when relevant. Reset restores examples and clears output.
Examples
Base64 SAMLResponse: PHg+PC94Pg==
HTTPS action: https://sp.example.com/acs
RelayState: state
Limitations
- Canonical padded Base64 payload and HTTPS action; no response parsing, signature generation, auto-submit script or endpoint verification. RelayState at most 80 UTF-8 bytes.
- Maximum 100,000 UTF-16 units per field, 400,000 UTF-8 combined input bytes, 4 MiB output and 30 seconds in a local worker. Tool-specific bounds may be tighter.
- Generated source is contained in the JSON download and is never executed. Local inspection does not verify remote systems or establish standards certification.
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