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  • Checker Plus for Gmail

    Checker Plus for Gmail
    おすすめ

    Google Mail の受信トレイにある未読のメール数を表示します。このボタンをクリックして受信トレイを開くこともできます。

    Jason Savard

    35,591 人のユーザー

  • YouTube Search Fixer

    YouTube Search Fixer
    おすすめ

    Remove ALL distracting search results, redirect shorts back to legacy page and try little visual changes suited for low resolution screens.

    Phoenix

    34,856 人のユーザー

  • Emoji

    Emoji
    おすすめ

    It permits just with a single click to copy an emoji. There is a search-box and the "Most used emojis" section (the first one). If you want to send feedback or report bug, please contact me

    Saverio Morelli (Sav22999)

    31,881 人のユーザー

  • Webmail Ad Blocker

    Webmail Ad Blocker
    おすすめ

    画面の右側にあるメッセージのスペースを拡大ヤフーメール、ホットメールやGmailを使用して広告をブロック。

    Jason Savard

    28,135 人のユーザー

  • Dark Background and Light Text

    Dark Background and Light Text
    おすすめ

    Make every web page (or just the pages you want) display light text on dark backgrounds. All color variations are fully customizable.

    Mikhail Khvoinitsky

    26,193 人のユーザー

  • Copy PlainText

    Copy PlainText
    おすすめ

    Copy Plain Text without any formatting

    erosman

    25,978 人のユーザー

  • Measure-it

    Measure-it
    おすすめ

    Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.

    Trishul

    21,883 人のユーザー

  • automaticDark - Time-Based Theme Changer

    automaticDark - Time-Based Theme Changer
    おすすめ

    Automatically change Firefox's theme based on the time.

    simonkhzhang

    19,419 人のユーザー

  • Zoom Page WE

    Zoom Page WE
    おすすめ

    Zoom web pages (either per-site or per-tab) using full-page zoom, text-only zoom and minimum font size. Fit-to-width zooming can be applied to pages automatically. Fit-to-window scaling can be applied to small images.

    DW-dev

    18,938 人のユーザー

  • YouTube Screenshot Button

    YouTube Screenshot Button
    おすすめ

    Take screenshots from YouTube Videos & YouTube Shorts. The addon adds screenshot button & also enables Shift+A shortcut.

    Ram

    18,244 人のユーザー

  • Foxy Gestures

    Foxy Gestures
    おすすめ

    Mouse gestures for Firefox. A web extension alternative to FireGestures created by a long time FireGestures user.

    liebs

    17,606 人のユーザー

  • Custom Scrollbars

    Custom Scrollbars
    おすすめ

    Give Firefox a personal touch with customized scrollbars!

    Wesley Branton

    17,385 人のユーザー

  • Snap Links Plus

    Snap Links Plus
    おすすめ

    Select a number of links with a rectangle and open them in new tabs. You can also lasso checkboxes to quickly check or uncheck them. Works with radio buttons as well.

    Clint Priest

    16,171 人のユーザー

  • Notefox: websites notes

    Notefox: websites notes
    おすすめ

    Take notes on every website in a smart and simple way!

    Saverio Morelli (Sav22999)

    12,609 人のユーザー

  • Forecastfox - 天気予報

    Forecastfox - 天気予報
    おすすめ

    簡単で使いやすい設定による世界の天気予報

    Oleksandr

    11,796 人のユーザー

  • ScrollAnywhere

    ScrollAnywhere
    おすすめ

    Scroll page without touching scroll-bar! Press Middle (Right / Left) mouse button anywhere on the page to scroll just like with scrollbar. Features also: - "grab and drag" scrolling - customizable scrollbars! - the Momentum auto-scroll

    Juraj Mäsiar

    11,758 人のユーザー

  • Stylebot

    Stylebot
    おすすめ

    ウェブの外観を瞬時に変更

    Ankit Ahuja

    9,419 人のユーザー

  • Tampermonkey

    Tampermonkey

    Tampermonkey is the world's most popular userscript manager.

    Jan Biniok

    769,607 人のユーザー

  • Reddit Enhancement Suite

    Reddit Enhancement Suite

    Reddit Enhancement Suite (RES) is a suite of tools to enhance your Reddit browsing experience.

    honestbleeps

    306,507 人のユーザー

  • I don't care about cookies

    I don't care about cookies

    Get rid of cookie warnings from almost all websites!

    Gen Digital Inc.

    250,224 人のユーザー

  • Firefox Color

    Firefox Color
    Firefox

    Build, save and share beautiful Firefox themes.

    Firefox

    116,127 人のユーザー

  • Cookie-Editor

    Cookie-Editor

    Cookie-Editor lets you efficiently create, edit and delete a cookie for the current tab. Perfect for developing, quickly testing or even manually managing your cookies for your privacy.

    cgagnier

    113,073 人のユーザー

  • I still don't care about cookies

    I still don't care about cookies

    Community version of the popular extension "I don't care about cookies" https://github.com/OhMyGuus/I-Dont-Care-About-Cookies

    Guus

    111,238 人のユーザー

  • Video Speed Controller

    Video Speed Controller

    Speed up, slow down, advance and rewind any HTML5 video with quick shortcuts.

    codebicycle

    103,908 人のユーザー

  • Plasma Integration

    Plasma Integration

    Multitask efficiently by controlling browser functions from the Plasma desktop.

    KDE

    93,553 人のユーザー