The top 25 most used Firefox add-on in Language Support category

Right-click a section of text and click the Translate icon next to it to text translate or listen to it in your language.

With this extension you can check text with the free style and grammar checker LanguageTool. It finds many errors that a simple spell checker cannot detect, like mixing up there/their, a/an, or repeating a word.

Quickly translate selected or typed text on web pages. Supports Google Translate and DeepL API.

Read out loud the current web-page article with one click. Supports 40+ languages.

View definitions easily as you browse the web. Double-click any word to view its definition in a small pop-up bubble. It also supports Spanish, German, French language alongside English. Enjoy Reading Uninterrupted!!!.

Improve your writing with Grammarly's assistance. Get spell check, grammar check, and punctuation check in one tool. Real-time suggestions for improving tone and clarity help ensure your writing makes the impression you want.

Translate your page in real time using Google or Yandex. It is not necessary to open new tabs. Now works with the NoScript Extension.

With this addon you can translate any text to your own language with one click or hot-key. You can either translate the selected text, this way the translated text will overwrite the original selected text, or you can translate the full page too.

Translate while you read and write with DeepL Translate, the world’s most accurate translator.

COMPLETELY REDESIGNED TRANSLATOR FOR FIREFOX ImTranslator translates text, words, webpages between more than 100 languages. NEW: Inline Translator, Dictionary, access to Google Translate, Microsoft Translator. Unique on the fly localization.

Free Download Manager integration with your Firefox browser

Free Translate Website, Translate PDF & Epub eBook, Translate Video Subtitles in Bilingual

一站式划词 / 截图 / 网页全文 / 音视频 AI 翻译扩展，支持谷歌、DeepL、ChatGPT、百度等 9 个国内外主流翻译服务，均可用于全文翻译。能在 PDF 里使用。支持辅助键、快捷键、悬浮取词。

腾讯翻译是腾讯发布的一款翻译扩展。

Translate websites in your browser, privately, without using the cloud. The functionality from this extension is now integrated into Firefox.

Translate words and phrases while browsing the web, using Google translator.

Your all-in-one translator for web pages, highlighted text & Netflix subtitles. Translate and learn words in 103 languages.

S3.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 100+ languages. New Feature: Language learning!

Quickly translate Japanese by hovering over words. Formerly released as Rikaichamp.

Use Antidote directly where you are writing! Run a text through the corrector and the changes you make will automatically be applied to the original text in Firefox. (You must have access to Antidote.)

Right-click on a section of text and click on "To DeepL" to translate it to your language. Default language is selected in extension preferences.

Do you need to extract text from images, videos or PDF? If yes, then the Copyfish free OCR software is for you. Until now, your only option was to retype the text. Copyfish is so much faster and more fun. It can do desktop screenshots and OCR, too.

Translate web pages, highlighted text, Netflix subtitles, private messages, speak text, and save important translations to your personal dictionary to learn words in 130 languages.

Translate what you want.

Translate and learn languages while browsing and watching movies, it’s free.