Apps with 'Firefox Extension' feature

All apps in Apps with 'Firefox Extension' feature category. Use the filters below to narrow down your search. 
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  1. Bitwarden icon
     1420 likes

    Open-source password manager with AES-256 encryption and device sync. Store and access encrypted logins across platforms like iOS and Android.

    Cost / License

    • Freemium
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Apple Watch
    • Snapcraft
    • Microsoft Edge
    • Vivaldi
    • Google Chrome
    • Flathub
    • Microsoft SQL Server
    • Tor Browser
    • Safari
    • F-Droid
    • Software as a Service (SaaS)
    • Flatpak
    • Cloudron
    • Docker
    • Opera
    • Chocolatey
    • Mono
    • Brave
    • AppImage
    • Mozilla Firefox
    Bitwarden screenshot 1
    Bitwarden screenshot 1
    Bitwarden screenshot 2
    +11
    Bitwarden screenshot 3
    238 alternatives
    4.8
    Excellent181 reviews
  2. uBlock Origin icon
     1844 likes

    uBlock Origin (uBO) is a CPU and memory-efficient wide-spectrum content blocker. It blocks ads, trackers, coin miners, popups, annoying anti-blockers, malware sites, etc., by default using EasyList, EasyPrivacy, Peter Lowe's Blocklist, Online Malicious URL Blocklist, and uBO...

    Cost / License

    Application types

    Platforms

    • Microsoft Edge
    • Google Chrome
    • Thunderbird
    • Opera
    • Node.JS
    • Mozilla Firefox
    uBlock Origin screenshot 1
    uBlock Origin screenshot 1
    uBlock Origin screenshot 2
    +3
    uBlock Origin screenshot 3
    114 alternatives
    4.8
    Excellent109 reviews
  3. DuckDuckGo icon
     1581 likes

    Privacy-focused search engine offering Zero-click Info, instant answers, and more, built from open-source software for a user-friendly experience.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
    • Microsoft Edge
    • Google Chrome
    • Tor
    • Opera
    • Mozilla Firefox
    DuckDuckGo Homepage
    DuckDuckGo screenshot 1
    DuckDuckGo screenshot 2
    +16
    DuckDuckGo screenshot 3
    112 alternatives
    4.0
    Very Good86 reviews
  4. Joplin icon
     913 likes

    Open source note-taking app with Markdown support, to-do integration, and synchronization with cloud services like Dropbox and OneDrive.

    Cost / License

    • Freemium
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • AppImageHub
    • Snapcraft
    • Google Chrome
    • Flathub
    • PortableApps.com
    • F-Droid
    • Cloudron
    • Homebrew
    • Chocolatey
    • Termux
    • Mozilla Firefox
    Joplin screenshot 1
    Joplin screenshot 1
    Joplin screenshot 2
    +7
    Joplin screenshot 3
    150 alternatives
    4.5
    Excellent136 reviews
  5. MEGA icon
     933 likes

    Cloud-storage service with end-to-end encryption, selective synchronization, and shared folders without ads. Works offline and supports 2FA.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • Windows Phone
    • iPad
    • Google Chrome
    • Mozilla Firefox
    MEGA screenshot 1
    MEGA screenshot 1
    MEGA screenshot 2
    +11
    MEGA screenshot 3
    224 alternatives
    3.6
    Good34 reviews
  6. Zotero icon
     494 likes

    Zotero is a free, easy-to-use tool to help you collect, organize, share research and cite your research sources directly in your favourite word processor, with 300 MB free online storage.

    Cost / License

    • Freemium
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Microsoft Edge
    • Google Chrome
    • Safari
    • Microsoft Word
    • Google Docs
    • LibreOffice
    • Mozilla Firefox
    Zotero screenshot 1
    Zotero screenshot 1
    Zotero screenshot 2
    +2
    Zotero screenshot 3
    88 alternatives
    4.4
    Very Good25 reviews
  7. Waterfox icon
     441 likes

    Waterfox is an open-source, privacy-focused browser based on the popular open source browser with a red panda as a mascot. It is designed to be a drop-in replacement for said browser that offers enhanced privacy features, performance improvements, and customizability while...

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • Android Tablet
    • Flathub
    Desktop
    Mobile
    93 alternatives
    3.8
    Good43 reviews
  8. Floorp icon
     137 likes

    Open-source web browser built on Firefox, prioritizing privacy and anonymity while offering a Chromium-like interface, user customization, and robust tracking protection.

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Snapcraft
    • Flathub
    • Flatpak
    Floorp screenshot 1
    Floorp screenshot 1
    Floorp screenshot 2
    +1
    Vertical tabs
    145 alternatives
    4.7
    Excellent40 reviews
  9. Feedly icon
     1879 likes

    Organize and read content from RSS feeds into a magazine-like experience, simple sharing options, and seamless access across all devices.

    Cost / License

    • Freemium
    • Proprietary

    Application types

    Platforms

    • Online
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • Google Chrome
    • Safari
    • Kindle Fire
    • Mozilla Firefox
    Feedly screenshot 1
    Feedly screenshot 1
    Feedly screenshot 2
    +10
    Feedly screenshot 3
    333 alternatives
    3.4
    Fair25 reviews
  10. ActivityWatch icon
     574 likes

    Open-source app tracking time on devices, maintaining privacy and versatility, with features like productivity insights, Pomodoro timers, and local data storage.

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • Android Tablet
    • Self-Hosted
    • Google Chrome
    • Rust
    • Python
    • Chromium
    • Mozilla Firefox
    ActivityWatch screenshot 1
    ActivityWatch screenshot 1
    ActivityWatch screenshot 2
    +2
    ActivityWatch screenshot 3
    112 alternatives
    4.7
    Excellent75 reviews
  11. Adblock Plus icon
     1750 likes

    Adblock Plus is a free extension that allows you to - among other things - block annoying ads, disable tracking and block domains known to spread malware.

    Cost / License

    • Freemium
    • Open Source

    Application types

    Platforms

    • iPhone
    • Chrome OS
    • iPad
    • Microsoft Edge
    • Internet Explorer
    • Vivaldi
    • Google Chrome
    • Safari
    • Yandex Browser
    • Opera
    • Mozilla Firefox
    Adding a filter
    List of blockable items
    Blocking an image ad
    +3
    Adding a filter subscription
    122 alternatives
    2.7
    Poor26 reviews
  12. Wayback Machine icon
     338 likes

    With the power of the Wayback Machine, you can go back in time to see how a website has changed and evolved through the history of the Web.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Google Chrome
    • Safari
    • Mozilla Firefox
    Wayback Machine screenshot 1
    Wayback Machine screenshot 1
    Wayback Machine screenshot 2
    +3
    Wayback Machine screenshot 3
    31 alternatives
    3.9
    Good14 reviews
  13. addy.io icon
     157 likes

    Open-source service offering unlimited anonymous email aliases, encrypted forwarding, spam protection, and anonymous replies to keep your identity private.

    Cost / License

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Self-Hosted
    • Microsoft Edge
    • Google Chrome
    • Safari
    • F-Droid
    • Software as a Service (SaaS)
    • Mozilla Firefox
    Manage aliases from the dashboard
    The main interface for the Firefox extension
    Settings for the extension
    +1
    Generate Random Chars alias using the extension.
    118 alternatives
    4.7
    Excellent18 reviews
  14. Privacy Badger icon
     324 likes

    Privacy Badger is a free browser extension made by the leading digital rights nonprofit EFF to stop companies from spying on you online.

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Microsoft Edge
    • Google Chrome
    • Opera
    • Mozilla Firefox
    • Brave
    Overview of Privacy Badger extension
    67 alternatives
    4.7
    Excellent18 reviews
  15. SingleFile icon
     121 likes

    Browser extension enabling one-click saving of full web pages with images, styles, and fonts as a single HTML file for offline access, annotation, and batch saving.

    Cost / License

    Platforms

    • Mac
    • Windows
    • Android
    • iPhone
    • Microsoft Edge
    • Google Chrome
    • Safari
    • Mozilla Firefox
    SingleFile screenshot 1
    SingleFile screenshot 1
    31 alternatives
    4.7
    Excellent11 reviews
  16. NoScript icon
     372 likes

    The NoScript Firefox extension provides extra protection for Firefox, Seamonkey and other mozilla-based browsers: this free, open source add-on allows JavaScript, Java, Flash and other plugins to be executed only by trusted web sites of your choice (e.g. your online bank).

    Cost / License

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Google Chrome
    • SeaMonkey
    • Mozilla Firefox
    Diablog of blocked scripts
    NoScript Anwhere (Firefox Mobile version).
    23 alternatives
    4.1
    Very Good12 reviews
  17. DownThemAll icon
     835 likes

    DownThemAll (or just dTa) is a powerful yet easy-to-use browser extension for Firefox, Chrome and Opera that adds new advanced download capabilities to your browser. DownThemAll lets you download all the links or images contained in a webpage and much more: you can refine your...

    Cost / License

    • Free
    • Open Source

    Platforms

    • Microsoft Edge
    • Google Chrome
    • Pale Moon
    • Mozilla Firefox
    DownThemAll screenshot 1
    DownThemAll screenshot 1
    118 alternatives
    4.4
    Very Good17 reviews
  18. Dark Reader icon
     173 likes

    This eye-care extension enables night mode creating dark themes for websites on the fly. Dark Reader inverts bright colors making them high contrast and easy to read at night.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • iPhone
    • iPad
    • Microsoft Edge
    • Google Chrome
    • Safari
    • Thunderbird
    • Mozilla Firefox
    Dark Reader screenshot 1
    Dark Reader screenshot 1
    Dark Reader screenshot 2
    +1
    Dark Reader screenshot 3
    25 alternatives
    4.6
    Excellent23 reviews
  19. LanguageTool icon
     187 likes

    An AI-powered proofreading tool supports over 20 languages, offering free and premium versions with extensive grammar checks across multiple apps.

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • iPhone
    • iPad
    • Microsoft Edge
    • ONLYOFFICE
    • Google Chrome
    • Microsoft Outlook
    • Safari
    • Visual Studio Code
    • Microsoft Word
    • Eclipse
    • TinyMCE
    • Google Docs
    • Thunderbird
    • Vim
    • Cloudron
    • Sublime Text
    • GNU Emacs
    • Opera
    • Gmail
    • LibreOffice
    • Apache OpenOffice
    • Mozilla Firefox
    • LibreOffice - Writer
    LanguageTool screenshot 1
    LanguageTool screenshot 1
    LanguageTool screenshot 2
    +2
    LanguageTool screenshot 3
    104 alternatives
    3.7
    Good22 reviews
  20. Kagi Search icon
     75 likes

    Subscription-based search engine focusing on privacy, ad-free experience, deep customization, unbiased results, user-controlled features, and strong data protection.

    Cost / License

    • Paid
    • Proprietary

    Platforms

    • Mac
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Safari
    • Mozilla Firefox
    Kagi Search screenshot 1
    Kagi Search screenshot 1
    Kagi Search screenshot 2
    75 alternatives
    4.2
    Very Good22 reviews
  21. Koofr icon
     150 likes

    Koofr is a safe, secure and simple way to store, backup and share your documents, photos, videos and more. It offers up to 10 GB of free safe storage for your files with affordable upgrades and options to connect multiple cloud accounts.

    Cost / License

    • Freemium
    • Open Source (MIT)

    Platforms

    • Mac
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • Windows Phone
    • iPad
    • Linux Mobile
    • Google Chrome
    • Rust
    • F-Droid
    • Software as a Service (SaaS)
    • Docker
    • Chromium
    • Mozilla Firefox
    Koofr web app
    Koofr mobile app
    Koofr mobile app
    +3
    Koofr mobile app
    202 alternatives
    4.6
    Excellent13 reviews