Is is possible to export (and import) firefox addons settings? I mean addons data. not their installable
For example, I've collected a custom blacklist for AdBlock on my Windows, and I want to have it on my Ubuntu
Can you try setting up Firefox Sync?
Firefox Sync syncs your Firefox data (passwords, settings, add-ons) between multiple installations of Firefox. I have not used it to sync add-ons, but the other data is synced seamlessly.
All preferences are stored inside
Once you shut down Firefox, you may grep all your addon configs and append the lines to your new profile file:
or with just a single addon (assuming you've found it's name):
This will of course move config only. You need to install the addon separately.
I personally use MozBackup when I need to export all my Mozilla products settings/data/profiles from an host to another.
This is a more wide solution, but it will, among other things, export your extensions settings.
There are two excellent extensions that would allow you to do that:
Here is a quote from its FAQ
You can read further here: Can FEBE back up and restore extension settings?
FEBE though is more like a complete backup solution for Firefox.
There is another extension made just for backing up extension preferences:
Here is a quote from its web page:
I personnaly use FEBE since i need scheduled backups and other functionality available in FEBE.