Firefox Add-ons (worth using)


  • Turn Off the Lights

    Free Mac Windows Linux Web Android ... iPhone Chrome OS Windows S Android Tablet BSD iPad Microsoft Edge Vivaldi Browser Chrome Safari Maxthon Yandex.Browser Opera Firefox Website

    With a single click on the lamp button, the page will fade to dark. And automatically focus on the video. By clicking on it again, the page will return to normal. It works for all known video sites such as YouTube, Vimeo, Dailymotion, YouKu, etc.

     

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  • Notes by Firefox

    Free Android Firefox Website

    Simple, secure notepad extension that now comes with a companion app for Android. Sign in with your Firefox Account to access, edit, or delete notes, and your notes will automatically sync between Firefox for desktop and Android.

     

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  • NoScript

    Free Mac Windows Linux BSD Chrome ... SeaMonkey Firefox Website

    Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.

     

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  • FoxyTab

    Free Mac Windows Linux Chrome OS BSD Website

    FoxyTab is a small extension that adds a great number of Tab related actions to the Tab Context Menu.

     

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  • Bitwarden

    Freemium Mac Windows Linux Web Android ... iPhone Android Tablet iPad Self-Hosted Microsoft Edge Vivaldi Browser Chrome Microsoft SQL Server Tor Browser Bundle Safari Opera Mono Brave Firefox Website

    t

     

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  • uBlock Origin

    Free Mac Windows Linux Android Microsoft Edge ... Vivaldi Browser Chrome Safari Pale Moon Opera Chromium Firefox Website

    Popular and efficient blocker for Chromium, Chrome, Edge, Firefox (desktop and Android), Opera, Safari, Thunderbird. Fast and lean.

     

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  • LeechBlock

    Free Mac Windows Linux Chrome Firefox Website

    LeechBlock is an extension for Firefox and Chrome that allows users to block time-wasting sites.

     

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  • HTTPS Everywhere

    Free Windows Linux Android Android Tablet BSD ... Vivaldi Browser Chrome Yandex.Browser Opera Chromium Firefox Website

    HTTPS Everywhere is a browser extension produced as a collaboration between The Tor Project and the Electronic Frontier Foundation. It encrypts your communications with a number of major websites.

    Many sites on the web offer some limited support for encryption over HTTPS, but make it difficult to use. For instance, they may default to unencrypted HTTP, or fill encrypted pages with links that go back to the unencrypted site.

    The HTTPS Everywhere extension fixes these problems by rewriting all requests to these sites to HTTPS.

    HTTPS Everywhere can protect you only when you're using sites that support HTTPS and for which HTTPS Everywhere includes rules.

     

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  • Firefox Multi-account Containers

    Free Web Firefox Website

    The Firefox Multi-Account Containers extension lets you carve out a separate box for each of your online lives – no more opening a different browser just to check your work email! Here is a quick video showing you how it works.

    Under the hood, it separates website storage into tab-specific Containers. Cookies downloaded by one Container are not available to other Containers. With the Firefox Multi-Account Containers extension, you can...

    Sign in to two different accounts on the same site (for example, you could sign in to work email and home email in two different Container tabs.
    Keep different kinds of browsing far away from each other (for example, you might use one Container tab for managing your Checking Account and a different Container tab for searching for new songs by your favorite band)
    Avoid leaving social-network footprints all over the web (for example, you could use a Container tab for signing in to a social network, and use a different tab for visiting online news sites, keeping your social identity separate from tracking scripts on news sites)

    After installing the Firefox Multi-Account Containers extension, click the Containers icon to edit your Containers. Change their colors, names, and icons. Long-click the new tab button to open a new Container tab.

    Privacy in Firefox Multi-Account Containers

    The Firefox Multi-Account Containers extension does not send any information to Mozilla.

    Haven't I seen this in Firefox before?

    Firefox Multi-Account Containers was first introduced as "Containers" available only in Firefox Nightly. It went on to be a Test Pilot Experiment, where we improved the user experience and added new features. Now it exists here as an extension that can be installed by all Firefox users.

    Although you can still use the feature built into Firefox Nightly, we recommend using this extension as it has a richer user experience.

     

    Firefox Multi-account Containers icon
  • Markdown Here

    Free Mac Windows Linux Chrome Google Charts ... Thunderbird Firefox Website

    Google Chrome, Firefox, and Thunderbird extension that lets you write email in Markdown and render it before sending.

     

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  • Cookiebro

    Free Web Chrome Firefox Website

    With Cookiebro you can manage/filter/block browser cookies that can be used to track you online. Cookiebro can remove unwanted cookies regardless of their origin (websites or WebExtension requests).

     

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  • Tree Style Tab

    Free Mac Windows Linux Firefox Website

    This provides tree-style tab bar, like a folder tree of Small File Explorer iconFile Explorer . New tabs opened from links (or etc.) are automatically attached to the parent tab. If you often use many many tabs, it will help your web browsing because you can understand relations of tabs.

     

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  • Surfingkeys

    Free Mac Windows Linux Chrome OS Vivaldi Browser ... Chrome Chromium Website

    Rich shortcuts to click links/switch tabs/scroll pages or capture full page, use Chrome like vim for productivity.

     

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  • RequestPolicy

    Free Mac Windows Linux Firefox Website

    RequestPolicy is an extension for Mozilla browsers that improves the privacy and security of your browsing by giving you control over when cross-site requests are allowed by webpages you visit. It is the first comprehensive client-side protection against CSRF attacks and the first tool to enable the use of modern browsers without cross-site information leakage.

    Improve the privacy of your browsing by not letting other sites know your browsing habits. Secure yourself from Cross-Site Request Forgery (CSRF), Clickjacking, and other attacks.

    Cross-site requests are requests that your browser is told to make by a website you are visiting to a completely different website. Though usually legitimate requests, they often result in advertising companies and other websites knowing your browsing habits, including specific pages you view throughout the day. Among the attacks that cross-site requests are used in, they are particularly dangerous with Cross-Site Request Forgery (CSRF) attacks where your browser is told to make a request to another website and that other website thinks you (the person) meant to make the request.

    With RequestPolicy, the default for any cross-site request is to deny it. Users are notified when requests on the current page have been blocked (the status bar flag icon at the bottom right of your browser turns red). Clicking on this status bar flag icon gives you a menu where you can view and modify which requests are blocked and allowed. You can whitelist requests you approve of by origin site, destination site, or specific origin-to-destination.

    RequestPolicy is compatible with Firefox 3+, SeaMonkey 2.0, Flock 2.0, Songbird 1.0, and Fennec 1.0. It works wherever these browsers do (Linux, BSD, Mac, Windows, etc.).

     

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  • OneTab

    Free Mac Windows Linux Chrome Firefox Website

    Save up to 95% memory and reduce tab clutter in Google Chrome and Mozilla Firefox.

     

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  • Vimium

    Free Windows Linux Web Chrome Mac ... Firefox Website

    The Hacker's Browser. Vimium provides keyboard shortcuts for navigation and control in the spirit of Small Vim iconVim . Vimium helps you navigate the web without touching the mouse. It uses a clever highlighting method to navigate using links and saves your zoom settings on a site-by-site basis.

     

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  • Qwant

    Free Web Android iPhone Android Tablet iPad ... Chrome Firefox Website

    Search extension

     

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  • Dark Reader

    Free Mac Windows Linux Chrome Safari ... Firefox Website

    Reduce eye strain in your browser with this extension that provides a dark theme for browsing.

     

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  • DuckDuckGo

    Free Web Android iPhone Android Tablet iPad ... Vivaldi Browser Chrome Safari Yandex.Browser Opera Firefox Website

    Search extension

     

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  • Disconnect

    Freemium Mac Windows Linux BSD Chrome ... Safari Opera Firefox Website

    Disconnect was founded in 2011 by former Google engineers and a consumer- and privacy-rights attorney. We develop award-winning, user-friendly privacy and security software in San Francisco, California. Disconnect exists to help solve an important social issue and our founding principles are reflected in the way we run the company. We’re proud to be a Certified B Corp and honored to be named one of the best places to work in the B corp community. You can learn more about our team here and feel free to send us a note if you think you’d be a good fit to join our growing company.

     

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  • Privacy Badger

    Free Mac Windows Linux Chrome Opera ... Firefox Website

    Privacy Badger is a browser-add on tool that analyzes sites to detect and disallow content that tracks you in an objectionable, non-consensual manner. When you visit websites, your copy of Privacy Badger keeps note of the "third party" domains that embed images, scripts and advertising in the pages you visit. If a third party server appears to be tracking you without permission, by using uniquely identifying cookies to collect a record of the pages you visit across multiple sites, Privacy Badger will automatically disallow content from that third party tracker. In some cases a third-party domain provides some important aspect of a page's functionality, such as embedded maps, images, or fonts. In those cases Privacy Badger will allow connections to the third party but will screen out its tracking cookies.

     

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  • Zotero

    Freemium Mac Windows Linux Chrome Safari ... Microsoft Office Word Google Drive - Docs LibreOffice Firefox Website

    Extension

     

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  • Joplin

    Free Mac Windows Linux Android iPhone ... Chrome OS Android Tablet iPad Chrome Termux Firefox Website

    Web-clipper

     

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  • Cookie AutoDelete

    Free Mac Windows Linux Android iPhone ... Android Tablet iPad Chrome Tor Browser Bundle Chromium Firefox Website

    Control your cookies! Auto deletes unused cookies from your closed tabs while keeping the ones you want.

     

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  • Google Keep

    Free Mac Windows Linux Web Android ... iPhone Chrome OS Android Tablet iPad Chrome Android Wear Website

    Extension

     

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  • Keefox

    Free Windows Linux Firefox Website

    Login automatically, never forget another password, stay in control of your passwords and improve their security. Powered by the world-renowned Small KeePass iconKeePass Password Safe.

    KeeFox adds free, secure and easy to use password management features to Firefox which save you time and keep your private data more secure.

    KeeFox connects Firefox to KeePass Password Safe, the most popular open source (and free) password manager.

     

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  • Turtl

    Freemium Mac Windows Linux Android Android Tablet ... Self-Hosted Chrome Firefox Website

    Bookmarker

     

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  • Decentraleyes

    Free Mac Windows Linux Android Android Tablet ... Chrome Pale Moon Opera Chromium Firefox Website

    Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.

     

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  • uMatrix

    Free Mac Windows Linux Chrome Opera ... Chromium Firefox Website

    Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.
    uMatrix: A point-and-click matrix-based firewall, with many privacy-enhancing tools.

    uMatrix put you in full control of where your browser is allowed to connect, what type of data it is allowed to download, and what it is allowed to execute. Nobody else decides for you: You choose. You are in full control of your privacy.

    Out of the box, uMatrix works in relax block-all/allow-exceptionally mode, meaning web sites which require 3rd-party scripts are likely to be "broken". With two clicks, uMatrix can be set to work in allow-all/block-exceptionally mode, which generally will not break web sites.

    Regarding the myth that "Chromium-based browsers can't reliably block JavaScript", see: https://github.com/gorhill/httpswitchboard/wiki/Blocking-javascript-execution-reliably-in-Chromium-based-browsers .

    • See ALL the remote connections, failed or attempted, depending on whether they were blocked or allowed (you decide).

    • A single-click to whitelist/blacklist one or multiple classes of requests according to the destination and type of data (a blocked request will NEVER leave your browser).

    • Efficient blacklisting: cookies won't leave your browser, JavaScript won't execute, plugins won't play, tracking pixels won't download, etc.

    • You do not have to solely rely on just one particular curated blacklist (arguably with many missing entries) outside which nothing else can be blocked: You are in full control.

    • Ease of use: uMatrix lets you easily whitelist/blacklist net requests which originate from within a web page according to a point-and-click matrix:

    • domain names (left column)
    • from very specific
    • to very generic
    • type of requests (top row)
    • cookies
    • CSS-related resources (stylesheets and web fonts)
    • images
    • plugins
    • scripts
    • XHR (requests made by scripts)
    • frames
    • others

     

    uMatrix icon



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