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.
Extension stats
By: Magnus Suther
Users: 80,000+ 
Rating: 4.31
(32)
Creation date: 2017-11-28
Manifest version: 2
Permissions:
- <all_urls>
- webRequest
- contextMenus
- storage
- downloads
Size: 460.80K
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Extension summary
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spammy, or outdated.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
- Saves time troubleshooting SAML configurations
- Simple to use and helpful for debugging SAML connections
- Data formatted in XML, no additional task needed
- Captures all SAML events where others may lack
Cons
- Issues with scrolling on Mac causing frustration
- Occasionally fails to display SAML messages
- Laggy performance compared to other extensions
- Can reach a scrambled and unusable state on Mac
Most mentioned
- Works as expected
- Very useful for troubleshooting
- Simple and easy to use
Recent reviews
It will save you hours of troubleshooting setting up cognito and Azure AD via SAML. 6 stars
by 
Patrick Holway, 2024-09-17
Patrick Holway, 2024-09-17It's good but on a mac when you try to scroll down the message it keep skipping pages. Very frustrating.
by 
Nick Swan, 2024-02-13
Nick Swan, 2024-02-13Does what it says on the tin and has helped me many a time fix issues. Awesome.
by 
Jonathan Tien, 2023-08-08
Jonathan Tien, 2023-08-08Extension safety
Risk impact
SAML Message Decoder requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.
Risk likelihood
SAML Message Decoder has earned a fairly good reputation and likely can be trusted.
Upgrade to see risk analysis details
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