Install Chrome Extension From Zip

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I have developed a Chrome extension and I have packed it.
I sent my extension to some people to try it, but Chrome started to block extensions that it does not find in the store.

Download the archive, Cisco_Webex_Extension.crx.zip, from the Cisco Webex for Google Chrome extension. Locate the downloaded zip file and open it. Save the extension file Cisco_WebEx_Extension.crx to your desktop or other convenient location. Oct 13, 2016 - Visit chrome://extensions (via omnibox or menu -> Tools -> Extensions). Enable Developer mode by ticking the checkbox in the upper-right corner. Click on the 'Load unpacked extension.' Select the directory containing your unpacked extension. Install Chrome Extensions allows you to install extensions from Google Chrome Web Store in your Opera browser. Find your desired extension, rename the end of the *.zip file to *.crx then drag it onto Opera. Go to Opera's downloads screen and you'll get a prompt saying if you'd like to enable the extension or not.

Is there any way to install my extension without getting blocked by Chrome?

EDIT
Is there any way to install extension as developer mode? I read that only extensions that installed in developer mode will not blocked.

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3 Answers

Cara mengisi game ps2 di flashdisk. For regular Windows users who are not skilled with computers, it is practically not possible to install and use extensions from outside the Chrome Web Store.

Users of other operating systems (Linux, Mac, Chrome OS) can easily install unpacked extensions (in developer mode).
Windows users can also load an unpacked extension, but they will always see an information bubble with 'Disable developer mode extensions' when they start Chrome or open a new incognito window, which is really annoying. The only way for Windows users to use unpacked extensions without such dialogs is to switch to Chrome on the developer channel, by installing https://www.google.com/chrome/browser/index.html?extra=devchannel#eula.

Extensions can be loaded in unpacked mode by following the following steps:

  1. Visit chrome://extensions (via omnibox or menu -> Tools -> Extensions).
  2. Enable Developer mode by ticking the checkbox in the upper-right corner.
  3. Click on the 'Load unpacked extension..' button.
  4. Select the directory containing your unpacked extension.

If you have a crx file, then it needs to be extracted first. CRX files are zip files with a different header. Any capable zip program should be able to open it. If you don't have such a program, I recommend 7-zip.

These steps will work for almost every extension, except extensions that rely on their extension ID. If you use the previous method, you will get an extension with a random extension ID. If it is important to preserve the extension ID, then you need to know the public key of your CRX file and insert this in your manifest.json. I have previously given a detailed explanation on how to get and use this key at https://stackoverflow.com/a/21500707.

Rob WRob W

For Windows, you can also whitelist your extension through Windows policies. The full steps are details in this answer, but there are quicker steps:

Install chrome extension from zip code
  1. Create the registry key HKEY_LOCAL_MACHINESOFTWAREPoliciesGoogleChromeExtensionInstallWhitelist.
  2. For each extension you want to whitelist, add a string value whose name should be a sequence number (starting at 1) and value is the extension ID.

For instance, in order to whitelist 2 extensions with ID aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa and bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb, create a string value with name 1 and value aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa, and a second value with name 2 and value bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb. This can be sum up by this registry file:

EDIT: actually, Chromium docs also indicate how to do it for other OS.

Install Chrome Extension From Zip

Tey'Tey'

Is there any way to install extension as developer mode? I read that only extensions that installed in developer mode will not blocked.

As of early 2018, it is easy to install a Chrome extension from a file in developer mode:

Step 1: Open the Chrome extension page and turn on 'Developer mode'

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Chrome web store

Step 2: Select 'Load Unpacked Extension' and point it to the extension folder - and you are done!

Nic EndoNic Endo

protected by cassiomolinAug 23 '18 at 13:17

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