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Add your favorite keyword/tag on the searchbox
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the tags are stored in local storage, you can backup the json in it.
You can press F12 and to to the Application tab.
In the second section (Storage), there is a table called 'Local storage', click on it.
There should be two row in it which are 'config' and 'search_tag_config'.
You can copy the value of these two rows to backup the tag setting.
Sorry for the late reply.
Thanks good to know how I can back it up now. I thought you could transfer settings in forks just by syncing tampermonkey, but nope. This script is very convient when i couldn't bother typing if i want to rub a fast one. Anyway for working on it too, I'm gonna change review to "good" now.
For some reason my favorited tags just disappeared one day, and there's no way to back them up, smh