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A computer I use doesn't have access to chrome.google.com/extensions website. I wish I could download the plugin and then use the file to install it, but the only option I have is to install. The plugin is downloaded to a temporary folder with a random name, and I'm not able to identify it.

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I wish I could download the plugin and then use the file to install it, but the only option I have is to install. Why not? Don’t left-click while holding Alt, that will try to install it. Instead, right-click and select Save As. Also, this question asked how to copy an extension from one system to another, in case you need to copy an extension that’s already installed. –  Synetech Aug 6 '13 at 1:47

6 Answers 6

up vote 1 down vote accepted

Ok. I just found out that the accepted answer's method is not working. It was actually working a few months back. So, when I came here to copy the link (I had forgotten) I found that its not working. Here's what I did to get the CRX file.

Note: You will need the Chrome Extensions's ID for this. I am referring it to as $ID$. You can get the $ID$ from the URL of the Chrome Extension page.

  1. Go to Chrome's Extensions page (chrome://extensions/)

  2. Enable the developer mode (check the developer mode box)

    enter image description here

  3. Click on the "Pack extension" button. Give the "Extension root directory" as ~/.config/google-chrome/Default/Extensions/$ID$ for ubuntu, C:\Users\<Your_User_Name>\AppData\Local\Google\Chrome\User Data\Default\$ID$ for windows, ~/Library/Application Support/Google/Chrome/Default\$ID$ for OS X. Leave the "Private Key" field blank" and click "Pack extension".

You will find the .CRX file in the same directory as ~/.config/google-chrome/Default/Extensions/$ID$ (or other respective directories for Windows and OS X)

(Note: The .CRX file is just a .ZIP file. If all you want to do is to extract extension after getting it, you can just find the unpacked extension at ~/.config/google-chrome/Default/Extensions/$ID$ you don't need to follow above steps. You would need to follow above steps only if you specifically need the .CRX file)

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I've wondered how to do this too. I found this blog article that has the solution (I edited it to bring it up-to-date):

  1. Find the ID of the extension you’re interested in. When on the details page of the extension, it will be something like
    bfbmjmiodbnnpllbbbfblcplfjjepjdn
    after
    https://chrome.google.com/webstore/detail/
  2. Paste this into Firefox (not Chrome):
    https://clients2.google.com/service/update2/crx?response=redirect&x=id%3D~~~~%26uc
    and replacing ~~~~ with the extension ID.
  3. You’ll be prompted to save a CRX file. Drag this file to a Chrome window and proceed with installation
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doesn't work for me :( –  user1248256 Jun 25 at 8:01
    
I tried with IE and it does not work for me either –  Jean-Francois T. Aug 14 at 6:09

Or just use http://chrome-extension-downloader.com to download a chrome extension easily.

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1  
not working for me, return 0 size file –  Rabin Jul 22 at 11:16

I found a solution based on the best solution in this forum post: https://productforums.google.com/forum/#!topic/chrome/g02KlhK12fU

To summarize, the solution is:

  1. Go to where the extension is installed in your computer
  2. Create a .crx file yourself
  3. Drag & Drop the crx file into Chrome to install

To be precise:

  1. Find the ID of the extension you’re interested in at the end of the path from Chrome Web Store (the last groups of weird characters). For example, it is "cfhdojbkjhnklbpkdaibdccddilifddb" for following link.

    https://chrome.google.com/webstore/detail/adblock-plus/cfhdojbkjhnklbpkdaibdccddilifddb

  2. Go to where the plugins are installed (by default, it should be "%APPDATA%/../Local/Google/Chrome/User Data/Default/Extensions" in Windows.

  3. Open the folder of your extension (the name of the folder is the ID of the extension ("cfhdojbkjhnklbpkdaibdccddilifddb"). Notice that there is a subfolder with the version of the extension.

  4. In Chrome, go to the page with "Extensions", and click on "Developer Mode"

  5. Click on "Pack Extension" and choose the folder "Local/.../Extensions//"

  6. The .crx file has been created in the folder "Local/.../Extensions/".

  7. To install the extension in Chrome (another account or computer), simply drag&drop the crx file into Google Chrome.

If it is not clear, do not hesitate to comment.

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Saving Chrome Extension for offline installation

  1. Find the ID of the extension you’re interested in. When on the details page of the extension, it will be something like : bfbmjmiodbnnpllbbbfblcplfjjepjdn after https://chrome.google.com/webstore/detail/

  2. Paste this into any other browser (not Chrome): https://clients2.google.com/service/update2/crx?response=redirect&x=id%3D~~~~%26uc

  3. and replacing ~~~~ with the extension ID. You’ll be prompted to save a CRX file. Drag this file to a Chrome window and proceed with installation.

this how to was taken from this site www.productforums.google.com/forum/#!topic/chrome/g02KlhK12fU

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Please use a proper formatting. Also please check the formatting if you copy a text from another website. –  c0dev Aug 23 at 0:00
    
Congratulations on finding information on google.com. If you had searched a little closer to home, you would have noticed that this exact same answer was posted to this question (and accepted) over three years ago! –  Scott Aug 23 at 0:19

If you have access to the codebase for the .crx package, you can also install it directly in chrome by going to chrome://extensions/.

Next click on "Load Unpacked Extensions" and select the root directory (of the code).

The extension should work now.

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