How to install Third-Party Extensions in Chrome

by Venkat eswarlu on July 16, 2012

in Google Chrome,How to,security,tips and tricks

Every extension uploaded by a developer in Chrome Web Store is approved by Chrome team and are supposedly safe to install in Chrome, but Google can’t control or analyze extensions for malicious behavior hosted on websites other than Chrome web store, as a security measure, latest version of Chrome now doesn’t allows to add third-party extensions from websites.

If you try to install one, then Chrome displays warning on top with the message “Extensions, apps and user scripts only can be added from chrome web store” and extension installation halts, what user need to do now? This is annoying, don’t worry! You can still install extensions on other websites or third-party ones if you think they are trusted and safe.

Update: You’ve to follow developer method (read steps mentioned after the second paragraph in that) to install third-party extension in Chrome

After May 1, all off-Store Chrome extensions will be hard-disabled

Chrome team encourages developers to offer inline installation for extensions and apps

Chrome team says novice users can easily install malicious extensions from other sites, but from their security point of view Chrome made this change, and this change now reflects in current Chrome stable version, Chrome team also suggesting developers to upload their extension to Web  Store and follow inline installation of extensions, that is extensions will be hosted on Chrome Web Store but developer offers the installation link on their site so that user stays on their site, at the same time extension or app will be installed from Chrome Web Store, here user is installing the app without leaving the developer site.

extensions apps. and user scripts can only added from chrome web store thumb How to install Third Party Extensions in Chrome

Chrome on Windows Only to Allow Extensions from Chrome Web Store

Coming to the point, for e.g I tried to install experimental version of user agent switcher for chrome (this has been done for testing), chrome  before initiating installation says “ Extensions, apps and user scripts only can be added from chrome web store” , you can click “OK” to dismiss that message or clicking on learn more takes you to crx warning help page. Here User agent switcher extension is hosted on developer site, this site can be trusted and extension is safe to install, but chrome not allowing me to install it.

Installing Chrome extensions from third-party sites

1.What chrome suggesting you is that download the extension you want to install from other websites and save it your computer.

2. Now open chrome extensions page from tools>extensions

3. Drag and drop the extension from your computer on to the extension page.

4. Click the “add” button after reviewing list of permissions shown in the dialog by Chrome.

confirm new extension install thumb How to install Third Party Extensions in Chrome

Chrome Canary now shows a disable button for the extensions that overrides its Settings

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{ 6 comments… read them below or add one }

Jonathan August 10, 2012 at 5:00 am

Does not work with the linux version of chrome.
Google, STOP BABYING US AND LET US INSTALL WHAT WE WANT, WHERE WE WANT!!!!!

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Neil August 26, 2012 at 9:44 am

This does not work for me with Smooth Gestures. Any idea why?

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Venkat August 26, 2012 at 10:31 am

It is working I’ve downloaded Chrome gestures and installed it by dragging onto Extensions page, you seems to have dragged the extension onto omnibox that’s why u may have got the warning, am i said right?

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dohboy February 16, 2013 at 8:32 pm

I know this is an old thread but it’s pretty ridiculous for chrome to block installation of user extensions while google play is loaded with malicious, fake apps, and nothing is done about it. Search google play for ‘bad piggies’ and look at all the fake, non-rovio apps using the name, and the number of downloads on each. Security fail!

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Nauman July 15, 2014 at 9:25 am

Actually i realised that IDM has installed his extension but we can’t install other extensions locally. How IDM installs extensions?? Can’t we install that way? Actually i’ve an extension which is not available in chrome store, i need to install that extension plz guide.

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Venkat eswarlu July 15, 2014 at 10:51 am

Follow the steps mentioned under ” Installing Chrome extensions from outside web store in developer mode” in the article http://techdows.com/2013/12/chrome-disable-developer-mode-extensions.html and ask me if you’ve any doubts in the comments. Do note, as said in the article Chrome asks you to disable developer mode installed extension on every start up of browser, there is no way to disable this.

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