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How to copy an extension from one Chrome installation to another?

I have a great extension on one of my computers, that for whatever reason the developer decided to pull from the Google WebStore so I can't download it from there (and the developer has a personal website of the typical "who gives a shit about others" design, and I can't find it if it even is available there).

The developer did pull it himself, it wasn't Google that disallowed the extension for some weird reason. This is something I am wondering in general if it's even possible? Did Google design Chrome in such a way that I can't get extensions except through the WebStore? Is it impossible to manually transfer a file from my source computer to the target computer, and install the extension that way?

I'm worried that if I set up Sync, the extension will be lost forever, I'd at least want to be able to back up the extension somehow first.

In my case I'm transferring from a Mac to Windows, but I'm hoping we can find a universal method.

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marked as duplicate by Synetech, Indrek, Canadian Luke, 8088, Nifle Sep 5 '12 at 15:58

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

    
@soandos I saw that, thank you for linking it. But I'm assuming it won't work because the code pasted there (to import) calls on "clients2.google.com/service/update2/"; to download the extensions. I'll have to double check. And I'm transferring from a Mac to Windows. –  gakera Dec 13 '11 at 22:54
    
The second part does not matter at all. Try an it and see. –  soandos Dec 13 '11 at 23:05

1 Answer 1

  • Do a Windows Explorer search for the CRX extension.
  • In the search results, select all
  • Right click and create a zip file
  • On the Mac, copy the zip file via USB, network sharing or by sending it per mail
  • Backup your Google profile first (the ~/Library/Application Support/Google directory)
  • Then open Google Chrome and Finder
  • In Finder, open the folder where you unzipped your file, thus the .crx files
  • Now drag from Finder to the Google Chrome window. A message – usually at the status bar – will ask you whether to install or not.
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