Best Toggle Language Mozilla Addons Alternatives

Select any number of DLsite product codes, and open them to DLsite with the context menu (right click). Language toggle available on DLsite with either the button or context menu (right click) to switch from Japanese to English, and vice versa.

Simple add-on to switch between IKEA websites of two configurable countries/languages. Very helpful for cross-border-shopping.

While browsing on the IKEA website, simply click on the IKEA icon in the add-on bar to toggle country/language.

Adds keyboard controls to the twitch html5 player.
f = toggle fullscreen
t = toggle theatre mode
m = toggle mute
k = toggle play/pause
j = jump back 10 seconds (in a recording)
l = leap forward 10 seconds (in a recording)

Sets Firefox/Thunderbird Locale to Windows (MUI) Language on startup

Language Manager, Designed to manage language packs for Firefox web browsers this easy to use utility make it easy to manage installed language packs and always have the latest language pack installed.

Easily toggle the option to allow or not a website to use their own colors.

Toggle JavaScript engine on and off the easy way

Display history menu, tab list menu, bookmarks menu, toggle tab groups, panorama or various sidebars with middle mouse button.

Automatically switches input language to English when you type in address bar.

Toggles open tabs automatically.

Add-on convert highlighted English text to Sinhala Language by using google translator.

S3.Google Translator adds the power of Google Translate’s automatic translations to your browser!
It supports translation of selected text, entered phrase or whole webpage between any of 80+ languages.

New Feature: Language learning!

Button to quickly toggle between light and dark variants of the FF Developer Edition Theme.

a basic addon to toggle javascript on and off.

To see the meaning of a word with the Priberam.pt (Dictionary of Portuguese Language On-Line), consult the conjugation of Portuguese verbs and to search references.

An Extension to type Unicode using the phonetic match on the original keyboard.

A Firefox add-on to toggle the nav bar by clicking a tab

Button to toggle the Firefox proxy mode between 'off' and a user defined value.

A simple toolbar button to quickly toggle browser.display.use_document_fonts