To use these add-ons, you'll need to download Firefox.

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Iceggiren i Yet Another Tab Counter

Yet Another Tab Counter sγur Daniel Hofstetter

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Icegger-it Ross Z
sɣur Ross Z, 4 χρόνια πριν
Displays tab count but that's about it. If that's all you want, it'll work.

But as stated in the description, there is no configuration. So if you are looking for larger font size or the ability to customize colors, then keep looking.
3 n yiceggiren