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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Extension stats

By: Magnus Suther

View on Chrome Web Store

Users: 70,000+

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

Ranking

# 3297 ▼ 284

Other rankings

#2743 in Developer Tools ▲ 3 #27 in message keyword 18 #86 in firefox keyword 23 ▲ 2 #94 in messages keyword 12 ▲ 2 #247 in update keyword 10 ▼ 2

Other platforms

SAML Message Decoder (v2.1.2resigned1)

3.38 (13) 1,269+

Not available on Edge

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Extension 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

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 Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.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

Helps troubleshoot SSO with Chrome
Simple to use
Data formatted in XML, no additional task needed
Captures SAML events effectively
User-friendly

Cons

Scrolling issues on Mac
Doesn't work consistently for some users
Laggy compared to other extensions
Display issues on Mac OS
Limited features compared to other plugins

Most mentioned

Works as expected
Very useful tool
Does what it says
Simple and effective
Helpful for debugging SAML connections

Recent reviews

It will save you hours of troubleshooting setting up cognito and Azure AD via SAML. 6 stars

Patrick Holway, 2024-09-17

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

View all user reviews

Extension 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.