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

Log in

3,420 extensions found in Language Support

Filter results
Search results
  • Write Mail AI

    Write Mail AI

    Write Mail AI is an advanced email writing assistant powered by artificial intelligence. It offers free access without the need to log in.

    Write Mail AI

    11 users

  • 掰it — 英文阅读助手

    掰it — 英文阅读助手

    帮你拆解英文长句结构，标注生词，提升阅读效率

    CapaAga

    11 users

  • Selecciona y traduce

    Selecciona y traduce

    Solo selecciona y traduzca

    pata_de_jaguar

    11 users

  • Bias Shield

    Bias Shield

    Push back against bias in machine translation

    Michal Měchura

    11 users

  • AI Prompt Enhancer – One‑Click Replace

    AI Prompt Enhancer – One‑Click Replace

    Right‑click selected text, press Alt+A, or use the floating button to instantly turn it into a high‑quality AI prompt in the same input field, using your own Gemini or OpenRouter API key.

    SamoZk

    11 users

  • Google Search Language Switcher

    Google Search Language Switcher

    Change language and region parameters for Google search

    YJ

    11 users

  • Gemini in Sidebar – Text Selection Enabled

    Gemini in Sidebar – Text Selection Enabled

    Displays Gemini in the sidebar (semanticdata) with text selection enabled.

    ChatGPT in Sidebar

    11 users

  • AutoRedirector

    AutoRedirector

    Automatically bypass redirect pages and go directly to the target URL.

    ChangJin Wei

    11 users

  • Tamil Dictionary

    Tamil Dictionary

    An Tamil Dictionary which gives meaning of a word which is double-click selected on a webpage.

    அகரமுதலி

    11 users

  • SummarIze

    SummarIze

    An extension to summarize any form of content from full websites, text and files. Summary a click away.

    AI Labs

    11 users

  • GTranslator Button

    GTranslator Button

    GTranslator Button This addon translate actual tab in Google Translator.

    OUBRECHT.com

    11 users

  • srbTranslit

    srbTranslit

    Transliterates Serbian Cyrillic to Serbian Latin on any web page

    eboye

    11 users

  • JS Search Extension

    JS Search Extension

    The ultimate search extension for Javascript!

    Geddle

    11 users

  • Longman Dictionary

    Longman Dictionary

    Select a word or phrase, right click, and choose LDOCE to look up its definition on Longman Dictionary of Contemporary English seamlessly.

    Nhân Trí

    11 users

  • AnnoReader - Text Annotation Tool

    AnnoReader - Text Annotation Tool

    AnnoReader is a tool designed for reading English texts simple.

    SAITO Hironobu

    10 users

  • RapidRead: Read 3x Faster, Learn More

    RapidRead: Read 3x Faster, Learn More

    Master speed reading with RSVP technology. Read articles 3x faster with better focus, comprehension, and zero distractions.

    Nguyễn Văn Trình

    10 users

  • Le Robert

    Le Robert

    Sélectionnez un mot pour rechercher sa définition dans Le Robert.

    Nhân Trí

    10 users

  • AI Powered Email Reply

    AI Powered Email Reply

    AI-Powered Email writer for mails

    Prateek

    10 users

  • Fast AI Summarizer - for sites, pages, gmail etc.

    Fast AI Summarizer - for sites, pages, gmail etc.

    Summarize sites in one click - fast, structured, with orig citations and translate! Choose size, language, theme! Use Fast AI Summary for articles, news, blogs, Wiki or even Gmail/Yahoo UI to summarize emails etc. with 52+ world languages supported!

    PreditrixAI

    10 users

  • Unicode Character Picker

    Unicode Character Picker

    A quick and easy way to find and insert special Unicode characters.

    Melker

    10 users

  • Page Translator 3

    Page Translator 3

    Translate any page and text using Google Translate or Yandex Translate.

    Hellboy.

    10 users

  • & Chinese-English Dictionary

    & Chinese-English Dictionary

    A simple Chinese-English dictionary with definition pop-up on mouse over text feature

    R. Zheng

    10 users

  • Quick Russian Translator

    Quick Russian Translator

    Translate Russian words on double-click using OpenRussian API

    detomastah

    10 users

  • HTTP proxy for API testing website

    HTTP proxy for API testing website

    This is a HTTP proxy which helps to send request without Cross-Origin Resource Sharing issue in APIs testing website test.onapis.com

    Đoàn Thuận Thành

    10 users

  • SidePal

    SidePal

    Access multiple web dictionaries, ChatGPT, Urban Dictionary, Collins English, Cambridge English and many more directly from the Firefox's sidebar with SidePal.

    River Young

    10 users