OneTab – Get this Extension for Firefox (en-US) - Mozilla
https://addons.mozilla.org/en-US/firefox/addon/onetab/
WEBOct 1, 2023 · OneTab is typically used to store just the smaller selection of open tabs you are not finished with yet - such as when you are mid way through researching a topic. FAQ: Why do I need OneTab, when I can just use the "bookmark all tabs" browser feature? A: OneTab is the quickest way, with only one click, to store all of your open tabs into a list.
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