postMessageObserver

A Chrome extension that allows you to observe the flow of postMessage messages on the side panel.

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Stats

By: yishiashia

View on Chrome Web Store

Users: 51 ▲ 1

Version: 1.0.0 (Last updated: 2023-10-24)

Creation date: 2023-10-24

Risk impact: Moderate risk impact

Risk likelihood: Low risk likelihood

Manifest version: 3

Permissions:

scripting
activeTab
sidePanel

Host permissions:

https://*/*

Size: 23.62K

Email: yi*****@gmail.com

Stats date:

Chrome-Stats Rank

# 78536 ▲ 326

Other rankings

#2201 in Developer Tools ▲ 2 #298 in message keyword 22 ▲

Other platforms

Not available on Firefox

Not available on Edge

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Summary

Analyze keywords

Chrome PostMessage Observer provides a convenient side panel to view postMessages for the current page. This extension offers a user-friendly UI that simplifies the debugging and observation of message flows between iframes and the top window. Easily intercept and analyze postMessage messages, view their payload, source, and target details, and efficiently troubleshoot communication issues within web applications.

Contributions are welcome to the GitHub project, which can be found here: https://github.com/yishiashia/chrome-postmessage-observer

Safety

Risk impact

postMessageObserver may not be safe to use and it requires some risky permissions. Exercise caution when installing this extension. Review carefully before installing.