I already know how to enable extensions in Chrome on Windows (by adding the --enable-extensions command line parameter).

My question is how to do this on a Mac? Are Chrome extensions even supported at this point on the Mac? If so, how can I go about adding this command-line parameter, without having to launch Chrome from the Terminal every time?

5 Answers 5


Extensions are now enabled in the Chrome Developer Channel for the Mac.


Chrome extensions are not yet supported on the Mac.

  • That's what I was suspecting, but thanks for the confirmation. Aug 21, 2009 at 14:58

So, extensions aren't supported in the Google Chrome app for Mac, but the latest Chromium build supports extensions.

You can get chromium at http://www.chromium.org/


Try this: http://grack.com/blog/2009/12/08/re-enable-install-button-for-mac-chrome-extensions/ I tried here and it worked.

  • This is no longer necessary
    – Ivo Flipse
    Feb 4, 2010 at 11:36

Open the terminal and type:

open /Applications/Google\ Chrome.app --args --enable-easy-off-store-extension-install

now you are allowed to install extensions (crx files) that are not in the Chrome Web Store during this session of Chrome.

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