FoxyTab is a small extension that adds a great number of Tab related actions to the Tab Context Menu plus Tab Counter, Country Flag, Multiple Date & Time display in multiple languages and many more.

Note: Right-Click on Tab (on top) to get the context-menu.
Note: None of my extensions contain any tracking, advertising or privacy infringement.

Actions can be applied to a Tab, selected Tabs, All Tabs, Tabs to the Left or Right.

Features

• Bookmark
• Capture
• Clean URL (remove tracking/redirecting strings from Tab URLs)
• Close Bookmarked Tabs
• Close Duplicate Tabs
• Close Other Windows
• Container (set patterns to automatically open Tabs in containers)
• Copy (Title, URL, IP, Custom)
• Create Desktop Shortcut
• Date & Clock (multiple languages & time-zones in the Toolbar popup)
• Discard
• Editable Context Menus (enable, disable, move)
• Hide & Show
• Host (Keep, Close, Close other, Move to New Window, Reload)
• Keyboard Shortcuts
• Merge All Windows
• Move (to New or Private Window)
• Pin & Unpin
• Print
• Redirect (set custom rules to redirect Tabs)
• Reload (Group, 1-5 minutes, Custom interval)
• Save Tab as PDF
• Select Match based on Regular Expression pattern
• Show Flag (IP location & country flag; using internal database)
• Sort (by URL, Title, Last Accessed, Reverse; Ascending or Descending)
• Tab Counter (with editable color & background)
• Theme (create your own Firefox Theme)
• Help Guide

Permissions

• Read and modify Bookmarks: Used only to add bookmarks
• Input data to the clipboard: Used to Copy to Clipboard
• Download files and read and modify the browser’s download history: Used only to export Themes/Preference (nothing to do with download history)
• Display notifications to you: Used to inform users
• Hide and show browser tabs: Part of features
• Access browser tabs: Used to get data for tab operations
• Store unlimited amount of client-side data: Used to store extension data
• Access your data for all websites: Used to get IP for the Copy IP & Flag

External Reviews

FoxyTab is a highly customizable tab manager extension for Firefox
How to save the names and URLs of open Firefox tabs in a plain text file
Dica do Dia: Extensão FoxyTab para o Firefox
Mozilla Re-Mix: FirefoxのタブコンテキストメニューからURLの一括コピーなどができるアドオン「FoxyTab」
開いているタブのURL を一括してコピーしたり、左にあるタブを一括して閉じたりできるようにするFirefox アドオン「FoxyTab」 - フリーソフト・無料ソフトの番外編
How to add new tab options to context menu in Firefox [Tip] | Reviews, news, tips, and tricks | dotTechdotTech
[WebExt扩展] FoxyTab（简洁的标签页增强扩展
FoxyTab – 增强标签页栏上鼠标右键菜单[Firefox 扩展]
How to Customize Firefox’s Context Menus With Extensions