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
574 users
Comic Translator - Manga translator using AI
Translate comics from Japanese, Korean, Chinese and English into multiple languages, on any website
571 users
Automatic Spelling Language
Automatically changes the dictionary used for spell checking based on the language of text in input fields.
560 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.
556 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}
554 users
Google Input Tools for Firefox
Transliteration, virtual keyboard, and handwriting input for 90+ languages in Firefox.
551 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,
538 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.
531 users
Overleaf textarea
This plugin displays your text in a textarea so you can use spellcheck plugins like Grammarly.
531 users
YouTube Auto Dub Disabler
UPDATED JAN 15, 2026 Automatically opens the settings menu and switches to the original language audio track on YouTube.
523 users
Text to Speech
Listen voice of text selected in web page; select text and click in context menu to listen voice
519 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.
513 users
轻灵划译
方便的网页英汉划词翻译工具。 选中需要翻译的英语单词或句子即可查看中文释义，单词释义支持音标和发音。 可自主输入单词或句子进行翻译。 可自定义划词窗口打开关闭方式。 可自定义划词窗口风格。 支持右键菜单整页翻译，选中文本翻译，链接文本翻译。 数据来源可选：有道词典、海词词典、金山词霸、必应词典和谷歌翻译。
503 users
Tap Translate
Add a translate button on the page. Github: https://github.com/miraks/Tap-Translate
497 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.
493 users
Auto RTL/LTR Switcher
Automatically switch text direction based on input language and allow toggling page font (Vazirmatn) and direction.
484 users
Comic Reader with Translator
Comic Reader with Translator - allows you to translate a selected area from a comic into another language.
482 users
Definitions.net
Get instant dictionary definitions for any word or term that hits you anywhere on the web!
476 users
