postMessage-catcher - Chrome Web Store
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Overview

A Chrome extension that captures the content of postMessage.

An effective development tool to help you capture all messages posted and received on the current page. It aims to provide an easier debugging experience when you need to communicate with other iframes. Contributions are welcome to the Github project.

3 out of 52 ratings

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Review's profile picture

Matt PJan 20, 2023

Tried this in Jan 2023 to understand how the youtube javascript embed API interacts over postMessage. This extension doesn't catch or report any of the postMessages that may happen in sub-iframes (e.g. not in the top window). So if you prototype something in codepen or whatever you won't see the postMessages in this extension. It appears (limited testing) it only reports postMessages RECEIVED by the top window...so you don't even see postMessages sent by the top window to child iframes. T... Show more

1 out of 2 found this helpful

Details

  • Version
    1.2.0
  • Updated
    August 22, 2021
  • Offered by
    yangjin
  • Size
    750KiB
  • Languages
    English (United States)
  • Developer
    Email
    yangjin.fe@gmail.com
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

The developer has disclosed that it will not collect or use your data.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes
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