Simple Google Translate
A very simple add-on that opens the English Google Translate for the current page
591 users
Automatic Spelling Language
Automatically changes the dictionary used for spell checking based on the language of text in input fields.
579 users
OCR + Translate
Open source addon + server (see description) combo to run OCR + translations of images on browser page. Uses freely available models and can run totally offline
578 users
YouTube Auto Dub Disabler
UPDATED JAN 15, 2026 Automatically opens the settings menu and switches to the original language audio track on YouTube.
572 users
Cambridge English Dictionary
A simple add-on to look up English definitions and pronunciations in Cambridge English Dictionary online.
570 users
Forces the display of the browser's translate butt
In recent versions of the Firefox browser, a button in the address bar allows you to translate a page, but sometimes it doesn't appear. This extension forces the translation button to be displayed.
567 users
TransorAI - AI Translator | Web, PDF, Images
Free AI translator for web pages, YouTube/Netflix subtitles, PDFs & images. Real-time bilingual translation tool.
565 users
Google Translate Search Plugin
Translate the specified text. Since the source and destination language of translation are not specified as follows, this can be used for all languages. https://translate.google.com/?text={searchTerms}
564 users
Google Input Tools for Firefox
Transliteration, virtual keyboard, and handwriting input for 90+ languages in Firefox.
563 users
TextFast
Have you ever felt it took too much work to type out long words or sentences? Or do you just desire to make shorthand macros for often-used words or even entire sentences? TextFast can make shorthand macros for words, sentences, or any text you want,
556 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.
546 users
Overleaf textarea
This plugin displays your text in a textarea so you can use spellcheck plugins like Grammarly.
543 users
Text to Speech
Listen voice of text selected in web page; select text and click in context menu to listen voice
508 users
HoverTranslate - YouTube Subtitle Translator
Build vocabulary while watching YouTube! Instantly translate words in subtitles by hovering. Perfect for language learners.
507 users
Scribe YouTube Transcripts
Instantly view beautifully formatted YouTube transcripts with punctuations, paragraphs and chapters.
501 users
Language Transliteration
This add-on allows you to type in your own language. Tamil, Malayalam, Telugu, Kannada, Hindi, Bengali, Marathi, Gujarati, Urdu, Punjabi and more.
495 users
TWP - Translate Web Pages (Custom)
Translate your page in real time using Google or Yandex. This extension is a fork of TWP - Translate Web Pages.
490 users
Tap Translate
Add a translate button on the page. Github: https://github.com/miraks/Tap-Translate
490 users
TranslateLocally for Firefox
TranslateLocally for Firefox is a webextension that enables local and private in-page translations for web browsers. It is a stand-alone extension, but can integrate with TranslateLocally for custom models and even better performance.
490 users
Comic Reader with Translator
Comic Reader with Translator - allows you to translate a selected area from a comic into another language.
478 users
