SAML Message Decoder

Collects and displays SAML messages

What is SAML Message Decoder?

SAML Message Decoder is a tool designed to facilitate the debugging process of SAML based SSO/SLO implementations. Running in the background, it collects SAML messages sent or received by the browser. Viewing these messages in easily readable XML offers insights into solving authorization issues. The extension's ongoing updates have added features such as support for EidSignRequest/Response messages, improved user interface, and functionality to copy SAML messages to clipboard or export to .json files.

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Stats

By: Magnus Suther

View on Chrome Web Store

Users: 80,000+

Rating: 4.29 (31)

Version: 2.1.1 (Last updated: 2017-11-28)

Creation date: 2017-11-28

Risk impact: High risk impact

Risk likelihood: Low risk likelihood

Manifest version: 2

Permissions:

<all_urls>
webRequest
contextMenus
storage
downloads

Size: 460.80K

URLs: Website

Stats date:

Chrome-Stats Rank

# 3053 ▼ 60

Other rankings

#2476 in Developer Tools ▼ 1 #14 in message keyword 31 ▲ 2 #81 in messages keyword 42 ▼ 1 #118 in firefox keyword 23 ▲ 4 #291 in update keyword 16 ▼ 3

Other platforms

Not available on Firefox

Not available on Edge

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Summary

Analyze keywords

This tool helps you debug your SAML based SSO/SLO implementations. It runs in the background, collecting SAML messages as they are sent and received by the browser. When something didn't work as expected, just pop up the extension to view the latest SAML messages in cleartext (easily readable XML). This allows you see what happened, and to get an idea of how to solve those weird authorization issues.

=== Update 28 Nov/2017 ===

Add support for EidSignRequest and EidSignResponse messages.

=== Update 26 Nov/2017 ===

Remove the use of fullpage.js, as it never seemed to understand the dimensions of the Firefox popup window, and set the window height to zero most of the time.
The popup should load faster now.
Adjustments to make the extension look decent in the Firefox popup.

=== Update 8 Nov/2017 ===

Fix an issue when parsing POST parameters containing additional parameters.

User reviews

User reviews summary

These summaries are automatically generated weekly using AI based on recent user reviews. Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.

Pros

Helpful for troubleshooting SSO
Simple to use
Data formatted in XML

Cons

Issues with scrolling on Mac
Some users experience a scrambled interface
Less elaborate than other plugins

Most mentioned

Useful for debugging SAML connections
Occasional functionality issues on Mac
Simple and effective

Recent reviews

It's good but on a mac when you try to scroll down the message it keep skipping pages. Very frustrating.

Nick Swan, 2024-02-13

Does what it says on the tin and has helped me many a time fix issues. Awesome.

Jonathan Tien, 2023-08-08

Never worked for me. Always says, "Once any SAML messages are spotted they will be listed here instead of this image.".

Shiva A, 2022-07-06

View all user reviews

Safety

Risk impact

SAML Message Decoder is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this extension. Review carefully before installing. We recommend that you only install SAML Message Decoder if you trust the publisher.