postMessageObserver

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

postMessageObserver

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View on Edge Add-on Store

Add-on stats

Users: 52
-6
Version: 1.0.0 (Last updated: 2023-10-23)
Creation date: 2023-10-23
Risk impact: Moderate risk impact
Risk likelihood:
Moderate risk likelihood
Manifest version: 3
Permissions:
  • scripting
  • activeTab
  • sidePanel
Host permissions:
  • https://*/*
Size: 127.91K
URLs: Website

Ranking

# 13,049 ▼ 277
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Other platforms

Not available on Chrome
Not available on Android
Not available on Firefox
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Add-on 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

Add-on safety

Risk impact

postMessageObserver requires a few sensitive permissions. Exercise caution before installing.

Risk likelihood

postMessageObserver is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

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