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'.
793 users
Grammar Checker and Writing Assistant by Sapling
Improve your writing with spelling, grammar, and other writing suggestions. Spell check, grammar checking and correction, fluency and stylistic edits for your writing. Autocomplete Everywhere and snippets/canned messages as well.
782 users
Jisho Search Plugin
Allow the user to search selected text on a webpage directly on Jisho dictionary
778 users
RTL All Fixer (Right To Left Fixer)
Fixes right-to-left text direction issues and manages RTL sites To fix the problem of displaying Farsi and Arabic texts while chatting or working with artificial intelligence such as Chatgpt Poe DeepSeek Grok ... برای رفع مشکل نمایش متن فارسی عربی
775 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.
760 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.
744 users
Comic Translator - Manga translator using AI
Translate Manga, Manhwa, Manhua, Comics on any website into any language!
737 users
Tenhou English UI
Change the UI text on the Tenhou HTML5 Web Client from Japanese to English
734 users
Subtitle Downloader – YouTube, Netflix, Disney+
Download subtitles from Netflix, YouTube, Disney+, Prime Video, HBO max & Apple TV in ASS/SRT/VTT/TXT. Dual + auto translation, edit before download. Bulk download whole season in one click!
728 users
Furocku Web Font
Furocku Web Font addon can correctly display myanmar text written with unicode or zawgyi font
728 users
YouTube Auto Dub Disabler
UPDATED JAN 15, 2026 Automatically opens the settings menu and switches to the original language audio track on YouTube.
728 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
671 users
Google Input Tools for Firefox
Transliteration, virtual keyboard, and handwriting input for 90+ languages in Firefox.
653 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.
649 users
TransorAI - AI Translator | Web, PDF, Images
Free AI translator for web pages, YouTube/Netflix subtitles, PDFs & images. Real-time bilingual translation tool.
645 users
Diccionario RAE en bocadillo
Diccionario de la lengua española (DLE) en bocadillo, cuadro de búsqueda y ventana emergente. Acceda a la definición actualizada RAE-ASALE de una palabra con un simple doble clic o por menú contextual. Y sin salir de la página que visita o de un PDF
636 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.
634 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
625 users
