Sudo Tabs от miro.app.dev

Available Background Processes:
• Tab Suspender - suspend inactive tabs
• Auto Sort - automatically sorts tabs in the order you choose
• Wait to Load - allows you to suspend newly opened tabs instantly

Available Utilities:
• Open multiple links in one click
• Tab Reloader - reload tab at a given interval

Available Actions (one-time only tasks):
• Copy tabs' links
• Mute and unmute tabs
• Sort tabs
• Suspend tabs
• Merge all windows into one
• Close all but your current tab
• Load and close "wait to load" tabs

Within the installed extension, there are further instructions, such as what buttons do and the various settings available for each tool.