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Can I set all new tabs to close after a certain period of time?

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I want Firefox to close new tabs automatically after 30 seconds of me not doing anything on them. Is there some way to make it do this?

I want Firefox to close new tabs automatically after 30 seconds of me not doing anything on them. Is there some way to make it do this?

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Not in the basic Firefox build, and not with any add-on that I have heard of.

Feel free to look for an add-on that has that feature.
https://addons.mozilla.org/en-US/firefox/search/?q=tab&cat=all
Only a 1000 to look through.