Tab Group Manager by Leon Machado-Wilcox

Tab Group Manager organizes browser clutter using Firefox's native tab groups.

One-click grouping

• Group every open tab by domain — each site gets its own colored group
• "Skip tabs already in a group" toggle, so re-running it leaves your existing groups alone
• Ungroup all tabs in the window in one click

Managing groups

• Sort all groups alphabetically (A–Z)
• Collapse or expand every group at once
• Rename, collapse/expand, ungroup, or close tabs for any individual group
• Select multiple groups and bulk-ungroup or bulk-close them

Privacy

This extension only reads tab URLs and titles to group them, and only calls the local tabs/tabGroups browser APIs. It makes no network requests and collects no data.

Source code: github.com/leonmachadowilcox/tab-groups-manager