postMessage Developer Tools

Provides a dev tools panel to view postMessages for the current page

postMessage Developer Tools is a powerful Chrome extension that adds a dedicated panel in the developer tools for viewing postMessages on the current page. It streamlines the debugging process by removing the need to manually add console logs or sift through console outputs.

This extension provides a clear, user-friendly interface for monitoring message exchanges, making it ideal for developers working with cross-origin communication or complex JavaScript applications. Contributions and feedback are welcome on its GitHub repository.

Download
Manifest V2
Users:
2,000+
Rating:
5.00
(4)
Version:
1.1.0 (Last updated: 2020-09-14)
Creation date:
2020-08-02
Permissions:
  • http://*/*
  • https://*/*
Size:
16.24K
Full description:
See detailed description
Updated:
a day ago

Ranking

# 21,355 ▲ 97
Other rankings
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User reviews

Works! Unlike "postmessage debugger" extension
by Hennadii Madan, 2023-11-17
by marjani mohammad, 2025-01-03
View all user reviews

Extension safety

Risk impact
Moderate risk impact

postMessage Developer Tools requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details
  • Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
  • Medium ****** ** ********* ****** ********* *** **** ****** **** **** ** ******* ** ********** **** ***********
Risk likelihood
Low risk likelihood

postMessage Developer Tools has earned a fairly good reputation and likely can be trusted.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
  • Good **** ********* *** **** **** *******
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