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

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Tignit n uzegrir

Iceggiren i Simple Tab Groups

Simple Tab Groups sɣur Drive4ik

4 n yitran ɣef 5
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Icegger-it Upjohn
sɣur Upjohn, 8 jierren lyn
I gave this addon the second chance, and it works great! The only feature I miss is exporting/importing specific groups in the addon.

Tiririt n ineflayen

yeffeɣ-d deg 8 jierren lyn
Please, update Firefox to latest version v61 and after that update addon to STG v3.0 (not experimental). In this version I implement hide tabs api.