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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 – amrelghobary Oct 20 '12 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. – Luis Alvarado Oct 20 '12 at 14:50
up vote 8 down vote accepted

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. – Luis Alvarado Oct 20 '12 at 14:50
@LuisAlvarado Done – Anwar Shah Oct 20 '12 at 18:28
Thanks, helped me too – Rahul Gautam Jul 6 '13 at 5:49
I found some Chromium files in /etc/chromium. I believe they are related to LastPass. – bowmanb Feb 7 '14 at 2:09

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