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As the question says, where do each of the browsers store their offline data, be it cache, offline storage from html5, images, flash videos or anything web related that gets stored locally.

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    check ~/.config/google-chrome
    – amrro
    Oct 20, 2012 at 14:19
  • The chrome one was tough since it has one part in .cache/google-chrome and the offline storage in the folder you mentioned. Thanks Eng. Oct 20, 2012 at 14:50

2 Answers 2

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Firefox store the offline data in ~/.mozilla directory, to be more specific in ~/.mozilla/profiles/xxxxxxxx.default directory.

Chrome uses ~/.cache/google-chrome directory for storing cache. Google chrome also uses ~/.config/google-chrome/Default directory for storing recent history, tabs and other things.

Like Chrome, Chromium uses as such with only the name changed. That is ~/.cache/chromium and ~/.config/chromium/Default

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    nice answer, can you add this to it: .config/google-chrome/Default/Local Storage for the local storage. Oct 20, 2012 at 14:50
  • @LuisAlvarado Done
    – Anwar
    Oct 20, 2012 at 18:28
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    I found some Chromium files in /etc/chromium. I believe they are related to LastPass.
    – anon
    Feb 7, 2014 at 2:09
  • Yes, you are right. But I found the Chrome stored its cache files into these places, but you can't export them, because they are in a kind of secret format. How can we export and list those files? Dec 4, 2019 at 17:03
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I've just found that the flatpak chromium uses

~/.var/app/org.chromium.Chromium/cache

On Firefox I use the browser.cache.disk.parent_directory "preference" in about:config to get it to use somewhere that's not backed up, to reduce backup sizes.

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