Google Translate (all languages)
Lets you translate between any languages supported by Google Translate from the Firefox address bar. Use the 'gt' keyword, then the two-letter code for each language, and finally the words you want to translate, e.g. 'gt en es hello friend'.
772 users
Quick Accept-Language Switcher
Provides a quick way of changing the HTTP Accept-Language header so you can view and test websites with a different locale.
764 users
Jisho Search Plugin
Allow the user to search selected text on a webpage directly on Jisho dictionary
761 users
YouTube Auto Dub Disabler
UPDATED JAN 15, 2026 Automatically opens the settings menu and switches to the original language audio track on YouTube.
747 users
Tenhou English UI
Change the UI text on the Tenhou HTML5 Web Client from Japanese to English
730 users
Comic Translator - Manga translator using AI
Translate Manga, Manhwa, Manhua, Comics on any website into any language!
728 users
RTL Helper
Fix RTL layout issues for Persian, Arabic, Hebrew and other right-to-left languages
726 users
Grammar Checker and Writing Assistant by Sapling
AI-powered grammar checking, paraphrase, and autocomplete for email, docs, chat, and more.
708 users
Subs Translate
Captures and translates subtitles using Google Translate directly from a webpage for online video services such as Netflix, HBO (free episodes only), YouTube and Amazon Video. Other similar HTML-based video and translate services can be configured.
703 users
Google Input Tools for Firefox
Transliteration, virtual keyboard, and handwriting input for 90+ languages in Firefox.
700 users
![[FORK] - Закадровый перевод видео](https://addons.mozilla.org/user-media/addon_icons/3007/3007599-64.png?modified=63f919fd)
[FORK] - Закадровый перевод видео
Расширение добавляет закадровый перевод видео с использованием технологий Яндекс Браузера в Firefox. Video Translation for Firefox
700 users
DeepL Translator for CTE
Translate Cloud Translation Environment collections using the DeepL Pro API. This extension is not affiliated with DeepL or Lionbridge Inc.
690 users
Furocku Web Font
Furocku Web Font addon can correctly display myanmar text written with unicode or zawgyi font
675 users
Abadis Persian Dictionary
Abadis Online Dictionary And Translator This addon is full dictionary and translator for persian user that translate word and sentences. Dictionary and translator from: - All language to persian - persian to All language
667 users
TransorAI - AI Translator | Web, PDF, Images
Free AI translator for web pages, YouTube/Netflix subtitles, PDFs & images. Real-time bilingual translation tool.
657 users
Mouse Tooltip Translator
It translates the text that your mouse cursor is hovering over. It offers additional features such as TTS, OCR manga translation, and YouTube dual subtitles. Please note that the PDF translation feature does not work in the Firefox version.
651 users
Rust Search Extension
The ultimate search extension for Rust Search std docs, crates, builtin attributes, official books, and error codes, etc in your address bar instantly. https://rust.extension.sh
644 users
Context Wiktionary
Select word, right click: look up definition/translate on Wiktionary Dictionary. A simple WebExtension that provides a context menu entry to look up selected word on the English Wiktionary. Opens results in a new tab next to the current one.
636 users
HoverTranslate - YouTube Subtitle Translator
Build vocabulary while watching YouTube! Instantly translate words in subtitles by hovering. Perfect for language learners.
621 users
