postMessageObserver

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

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Extension stats

By: yishiashia

View on Chrome Web Store

Users: 197 ▲ 6

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

Creation date: 2023-10-24

Risk impact: Moderate risk impact

Risk likelihood: Very low risk likelihood

Manifest version: 3

Permissions:

scripting
activeTab
sidePanel

Host permissions:

https://*/*

Size: 23.62K

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

Ranking

# 54702 ▲ 401

Other rankings

#2133 in Developer Tools ▲ 6

Other platforms

Not available on Firefox

Not available on Edge

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Extension summary

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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