Google Gmail Tab Resizer - Resize/Hide Promo, Forum, Social, Updates Tabs
Extension Actions
CRX ID
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Description from extension meta
In Gmail, Make the promo, social or other tabs smaller so that if they are not that important they don't take up so much space.
Image from store
Description from store
In Gmail, Make the promo, social or other tabs smaller so that if they are not that important they don't take up so much space. If too much spam in promo, you can hide it completely.