To use these add-ons, you'll need to download Firefox.

Log in

2,570 extensions found in Language Support

Filter results
Search results
  • Jisū

    Jisū

    Count words and characters in selected text.

    ika.monster

    1 user

  • GPTemail

    GPTemail

    Use large language models (like OpenAI's GPT-3) to suggest e-mail replies for you. Currently works on Gmail, Yahoo, Outlook, and limited support for Hey. Detailed usage instructions here: https://github.com/andersonbcdefg/gptemail

    andersonbcdefg

    1 user

  • AltShift

    AltShift

    Record and play voice overs for YouTube videos

    Askarbek

    1 user

  • Makwing Automation Tool

    Makwing Automation Tool

    迈容自动化工具轻松让你找到元素信息，包括ID、Name、CSS和XPath

    makwing

    1 user

  • Twitter 24-hour clock

    Twitter 24-hour clock

    24-hour clock format for Twitter.

    pipyau

    1 user

  • Translanator

    Translanator

    This Simple Translation Add On enables users to translate any text to language provided by Google Translate Function

    Skye128

    1 user

  • toki

    toki

    A Toki Pona popup dictionary! Click any Toki pona word on the internet and a pop-up will show up defining the definitions! Click the pop-up again to hide.

    Monk's Evil Lair

    1 user

  • Superanto

    Superanto

    Test your language skills while reading your favorite websites.

    imajorera

    1 user

  • baybayin 2.0

    baybayin 2.0

    The web written in baybayin: a pre-colonial FilipinX indigenous writing system. This extensions swaps English letters for baybayin syllables. As the current web isn't really setup to process pre-colonial scripting, the results can be unpredictable.

    mhr1234

    1 user

  • hnskrit translate n transliterate

    hnskrit translate n transliterate

    hnskrit addon does 2 tasks : 1. translate selected text on web page. in toolbar popup, you can translate input text. 2. can transliterate indian languages in local scripts to abc_kvz.

    zava810

    1 user

  • MultiDictLookUp

    MultiDictLookUp

    Translate selected text from various online dictionaries. Supported online dictionaries: - pons.com - linguee.com - dict.cc - deepl.com and more

    andrikod

    1 user

  • Go To Wiktionary

    Go To Wiktionary

    Adds a menu item to the context menu. Clicking the menu item links to the Spanish section of the Wiktionary page for the selected text.

    steve

    1 user

  • Assamese Font 78

    Assamese Font 78

    This extension enables users to view Unicode fonts in Assamese, even if their system lacks support for them.

    KÈO NHÀ CÁI

    1 user

  • AutoPause Dictionary

    AutoPause Dictionary

    Pause videos automatically when hovering over a word to see its meaning.

    Jsruyre

    1 user

  • Note Taker AI 25

    Note Taker AI 25

    Take quick notes, tag them, search, and export directly from the browser.

    endorarlen18

    1 user

  • Rhymes Against Humanity

    Rhymes Against Humanity

    Automatically and safely fix US spellings to your locale on all web pages! (UK/Canada/Australia/Ireland/NZ). Also supports Firefox for Android 🐧

    Control Zed Project

    1 user

  • ClipDee

    ClipDee

    Instantly see the meaning of any word you copy. A simple, privacy-friendly extension that fetches word definitions from your clipboard.

    codepraycode

    1 user

  • Simple Bilingual Translator

    Simple Bilingual Translator

    Automatically displays bilingual translation below original text when reading websites.

    Thane

    1 user

  • Capitalcase

    Capitalcase

    First letter of every word is transformed to UPPERCASE.

    Katchov

    1 user

  • File Converter 2025

    File Converter 2025

    Convert files between formats with preview.

    colbulphi02

    1 user

  • Quick Lookup for Mandarin

    Quick Lookup for Mandarin

    Adds a context menu option to quickly look up words on Forvo and yabla. Theoretically works for other languages, but was made with studying Chinese in mind.

    runnel software

    1 user

  • search-with-ai

    search-with-ai

    Your portable AI friend while browsing the web.

    tet

    1 user

  • langKey-在Youtube上学习多国语言

    langKey-在Youtube上学习多国语言

    LangKey 是一款专为语言学习者设计的浏览器插件，利用 YouTube 字幕 提供沉浸式学习体验。 📌 核心功能： 实时字幕打字练习 – 自动获取视频字幕，用户逐句输入，强化拼写和听力记忆。 生词收藏与翻译 – 一键保存陌生词汇并翻译，随时复习个人词汇库。 精准播放控制 – 逐句播放字幕，同步音频与文本，实现“听-读-写”高效学习。 多语言支持 – 适配中文、英语、日语、韩语，德语，俄语，阿拉伯语等，兼容 YouTube 自动生成字幕。

    langkey

    1 user

  • Simple Bilingual Translator

    Simple Bilingual Translator

    Automatically displays bilingual translation below original text when reading websites.

    Alex

    1 user

  • WriteFastly AI (Writing, rewrite, translate)

    WriteFastly AI (Writing, rewrite, translate)

    AI-powered writing assistant to enhance, rewrite & translate using GPT, Claude, Gemini, LLaMA, and Grok AI models

    writefastly AI

    1 user