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Chrome, Why You No Delete Old Extension Folders?

Google Chrome has this little bug that we never noticed. It was not deleting older versions of Chrome extensions from users’ computers. Google System has a good  write up on this:

If you’ve installed many extensions and apps, it’s likely that the Extensions folder from your Chrome profile uses many hundreds of megabytes. Some apps are pretty big now: for example, the latest version of Polycraft uses 76.6 MB. It’s obvious that a single application could use 1 GB after a few updates.

Here’s another example: the LastPass extensions. I’ve checked my profile folder and Chrome keeps 11 versions of this extension since October 2013. Total disk usage: 107 MB, instead of 9.6 MB for the latest version.

There’s a bug report from a Google employee here, and it mentions that “the Google+ Photos app is a fairly large app (56MB) which updates frequently (weekly?)

It is more likely that this bug will be fixed by next stable update. Until then, we will have to manually delete those folders with old extensions manually. Here is how

Every extension and app has its own folder with a cryptic name (the extension ID), so you can open each one and delete all the subfolders except for the most recent one. For example, LastPass’s folder is named hdokiejnpimakedhajhdlcegeplioahd and it has a subfolder for each version. You can sort them by name or by date and keep the most recent version (3.0.22_0).

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  1. Is Chrome OS also affected?

    1. I would think so. If this issue is present in Linux, Chrome OS also may be affected. But I am not 100% sure.

  2. So if the names are so cryptic, how will we tell which is which extension??? Please advise.

    1. Look in chrome://extensions/ … the name is given as extension ID

      1. Thanks Dinsan, i just saw you did answer me. But I know how to do it and where to look in Windows, BUT what about on my good ole Chromebook? (cr-48) The only files I can bring up are the Dowloads! Do I have to be in Developer mode or something? I’m currently on the beta channel but I guess that doesn’t really matter with this. How do you look at the operating files anyway on one of these types of laptops? Many thanks for your guidance….:-)

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