Translation Firefox add-ons

Translators for text, pages, voice and camera. 956 live add-ons carry the topic.

Tags come from each listing's name, category and description, read in English: a listing written in another language is tagged only where it uses the English words.

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  1. Google Translate Assistant↗

    by 翻译官 · updated 2026-07-30

    Webpage translation; Selected word translation; Online translation; Screenshot translation; Translation pronunciation

    Language Support v1.2.0.3
    Daily users 1,933 +253 wk
    Rating 1.6 22 ratings
    Growth · week +16.6% weekly avg over 11 days

  2. 划词翻译↗

    by 划词翻译 · updated 2024-08-12

    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。

    Language Support v10.14.1
    Daily users 26,532 +2,917 wk
    Rating 4.3 336 ratings
    Growth · week +13.4% weekly avg over 11 days

  3. LuLu Translate

    by 欧路软件 · updated 2026-09-01

    LuLu Translate, the world-leading cross-platform translation software, supports translation by selecting words.

    Language Support v26.9.0
    Daily users 2,520 +250 wk
    Rating 4.6 53 ratings
    Growth · week +11.8% weekly avg over 11 days

  4. YouTube Dubbing & Translate - AutoDub↗

    by Galaxy Edge Studio · updated 2026-08-03

    Translate & dub any YouTube video with AI in one click: press play and understand it instantly. All of YouTube, in your language.

    Language Support v0.6.1
    Daily users 1,494 +155 wk
    Rating 4.0 24 ratings
    Growth · week +11.6% +155

  5. [Unofficial] Saladict - Pop-up Dictionary

    by ImAyx · updated 2023-12-22

    Saladict is an all-in-one professional pop-up dictionary and page translator which supports multiple search modes, page translations, new word notebook and PDF selection searching. This distribution i

    Language Support v7.20.0
    Daily users 2,439 +236 wk
    Rating 4.8 18 ratings
    Growth · week +11.5% weekly avg over 11 days

  6. Lingocloud - Web Translation Extension↗

    by 彩云小译 · updated 2023-04-13

    Lingocloud is a bilingual translation extension， delivers a native reading experience at the Click of a button.

    Language Support v1.10.0
    Daily users 3,803 +358 wk
    Rating 3.8 99 ratings
    Growth · week +11.3% weekly avg over 12 days

  7. Edge Translate↗

    by Nicky Chen · updated 2023-08-19

    Translate what you want.

    Language Support v2.4.1
    Daily users 7,363 +597 wk
    Rating 4.7 347 ratings
    Growth · week +9.3% weekly avg over 11 days

  8. [VOT] - Voice Over Translation↗

    by Toil · updated 2026-10-07

    Watch videos in other languages with voice-over translation and subtitles in any browser

    Language Support v1.11.17
    Daily users 3,622 +288 wk
    Rating 4.2 23 ratings
    Growth · week +9.1% weekly avg over 11 days

  9. Immersive Translate -Translate Website, PDF, Video↗

    by Immersive Translate · updated 2026-10-02

    Translate Website, Translate PDF & Epub eBook, Translate Manga/Picture , Translate Video Subtitles in Bilingual

    Appearance v1.33.3
    Daily users 109,788 +8,481 wk
    Rating 3.7 490 ratings
    Growth · week +8.8% weekly avg over 11 days

  10. KISS Translator↗

    by FishJar · updated 2026-10-13

    A simple bilingual translation extension & Greasemonkey script

    Language Support v2.1.1
    Daily users 3,876 +252 wk
    Rating 4.9 48 ratings
    Growth · week +7.3% weekly avg over 11 days