Tabman от kba

An extension for managing tabs and windows with a focus on domain-based organization.

• Tab Statistics: View the number of tabs per root domain across all windows
• Pop-out domain: Move all tabs for a specific domain to a new window
• Merge Windows: Merge all windows into one
• Sort Tabs: Sort all tabs based on domain name

The extension can be triggered by pressing Ctrl/Command+Shift+R, and then S to sort tabs, or W to merge windows.