Firefox Alternatives

Mozilla Firefox is described as 'Open-source browser with Gecko engine, supporting HTML add-ons and providing privacy features like Enhanced Tracking Protection and third-party cookie blocking' and is a leading Web Browser in the security & privacy category. There are more than 100 alternatives to Mozilla Firefox for a variety of platforms, including Windows, Mac, Linux, Android and Android Tablet apps. The best Mozilla Firefox alternative is LibreWolf, which is both free and Open Source. Other great apps like Mozilla Firefox are Waterfox, Vivaldi, Pale Moon and Chromium.

filter to find the best alternatives

Mozilla Firefox alternatives are mainly Web Browsers, but if you're looking for Ad Blockers or Text to Speech Services you can filter on that. Other popular filters include iPhone, Kindle Fire, Android, Mac, Linux, Integrated into iOS and Android + Open Source. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Mozilla Firefox.
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Alternatives list

  1. Falkon icon

    Falkon

     172 likes

    Falkon, formerly QupZilla, is a QtWebEngine based cross-platform web browser.

    It aims to be a lightweight web browser available through all major platforms.

    Falkon has all standard functions you expect from a web browser. It includes bookmarks, history (both also in sidebar).

    Cost / License

    Application type

    Platforms

    • Linux
    • KDE Plasma
    • Flathub
    • Haiku
    • Snapcraft
    Falkon screenshot 1
     
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    4
    Falkon vs Mozilla Firefox Comments
    Kelson V
    Positive
    0

    Falkon's really fast even on low-end hardware. Add-ons are still really sparse though, and I haven't found a good way to sync bookmarks or connect it to KeePassXC yet.

    Centaro
    Negative
    1

    Its only ad-blocker stopped working on YouTube a while ago.

    Curuxa
    2

    It isn't really bad, but not a lot of add-ons and based con Qtweb (chromium). Not fingerprinting protection like Firefox but also no telemetry by default. It is ok, but it could be better.

    3 of 4 comments
    • Falkon is Free and Open SourceMozilla Firefox is also Free and Open Source
  2. Mullvad Browser icon

    Mullvad Browser

     144 likes

    The Mullvad Browser is a privacy-focused web browser developed in a collaboration between Mullvad VPN and the Tor Project. It’s designed to minimize tracking and fingerprinting. You could say it’s a Tor Browser to use without the Tor Network.

    104 Mullvad Browser alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub
    • Flatpak
    • Mozilla Firefox
    Mullvad Browser screenshot 1
     
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    1
    Mullvad Browser vs Mozilla Firefox Comments
    dabockster
    1

    Not as overkill as Tor Browser, but still a bit hostile for everyday use.

    • Mullvad Browser is Free and Open SourceMozilla Firefox is also Free and Open Source
  4. SeaMonkey icon

    SeaMonkey

     242 likes

    Web-browser, advanced e-mail, newsgroup and feed client, IRC chat, and HTML editing in one application. Itis built on the open source Mozilla Gecko engine, the same code which underlies Thunderbird and is the base for the Firefox browser.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • PortableApps.com
    SeaMonkey screenshot 1
     
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    12
    SeaMonkey vs Mozilla Firefox Comments
    Top Positive Comment
    soul1472
    0

    good Firefox's alternative for old computers.

    Top Negative Comment
    dabockster
    1

    Based on an outdated version of Firefox. Has trouble rendering most websites. Can also crash more.

    solandre-wyze-ap-shelta
    Positive
    0

    Useful as a fallback and for testing things.

    3 of 12 comments
    • SeaMonkey is Free and Open SourceMozilla Firefox is also Free and Open Source
  5. Ad
    Screenshot
    Horse icon
    Horse

    A web browser using Trails for organizing pages, projects, and tasks within a sidebar. Tailored for professionals to save time, boost productivity, and efficiently manage online workflows without traditional tabs or bookmarks.

    https://browser.horse
    Learn More
  6. Helium Browser icon

    Helium Browser

     78 likes

    Chromium browser with open-source ad, tracker, and cryptominer blocking by default, zero tracking, customizable privacy controls, proxy-anonymized extension downloads, split view, and efficient, unobtrusive interface for full extension compatibility.

    65 Helium Browser alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    Helium Browser screenshot 1
     
  7. GNU IceCat icon

    GNU IceCat

     127 likes

    Gnuzilla is the GNU version of the Mozilla suite, and GNU IceCat is the GNU version of the Mozilla Firefox browser. Its main advantage is an ethical one: it is entirely free software.

    175 GNU IceCat alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Linux
    • Android
    GNU IceCat screenshot 1
     
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    2
    GNU IceCat vs Mozilla Firefox Comments
    solandre-wyze-ap-shelta
    Positive
    0

    I like using opensource and GNU software when I can. I like being able to browse the code, modify things, and install from the source that I audited. Nothing hidden is good.

    dabockster
    Negative
    -2

    GNU anything is usually super restrictive against anything that doesn't fit their definition of "freedom". Avoid.

    • GNU IceCat is Free and Open SourceMozilla Firefox is also Free and Open Source
  8. Google Chrome icon

    Google Chrome

     4961 likes

    Open-source browser featuring real-time web translation, integrated password manager, dark mode, task-level resource management, multi-user account support, automatic updates, and cross-device sync, available on all major operating systems for secure, efficient browsing.

    92 Google Chrome alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Chrome OS
    • Android Tablet
    • iPad
    • Flathub
    • PortableApps.com
    Main Window
     
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    24
    Google Chrome vs Mozilla Firefox Comments
    Top Negative Comment
    jamiegray
    17

    Closed source made by Google. Much less trustworthy than open source, made by the non-profit Mozilla

    dabockster
    Negative
    0

    Google is a monopolist company because of Chrome and the amount of power it can exert over web development. Even Microsoft Edge is better.

    Curuxa
    Negative
    5

    Proprietary, made by a profit company based on spy it users, cannot custom, not equivalent like about:config in Firefox, cannot disable telemetry or see code, so it is a black box. Shitty add-ons, Chrome is killing Third party and also going to kill third add-ons... Performance is ok but I don't see difference with Firefox (in Linux also Firefox is WAY BETTER in performance) Don't support monopolist companies.

    3 of 24 comments
    • Google Chrome is Free and ProprietaryMozilla Firefox is Free and Open Source
  10. IronFox icon

    IronFox

     55 likes

    IronFox is a fork of DivestOS's Mull Browser based on Firefox. Our goal is to continue the legacy of Mull to provide a secure, hardened and privacy-oriented browser for daily use.

    77 IronFox alternatives

    Cost / License

    Application type

    Platforms

    • Android
    • Android Tablet
    • F-Droid
    IronFox screenshot 1
     
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    2
    IronFox vs Mozilla Firefox Comments
    Max Westen
    Positive
    0

    It has added security and privacy options, Extensions and themes do work

    Casper Rivers
    Positive
    -1

    The best gecko based browser for android

    • IronFox is Free and Open SourceMozilla Firefox is also Free and Open Source
  11. Fennec F-Droid icon

    Fennec F-Droid

     103 likes

    Browser using the Gecko layout engine to render web pages, which implements current and anticipated web standards.

    203 Fennec F-Droid alternatives

    Cost / License

    Application type

    Platforms

    • Android
    • F-Droid
    Start page
     
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    2
    Fennec F-Droid vs Mozilla Firefox Comments
    BloodRaven0
    Positive
    0

    Basically firefox for android, but without all the proprietary mozilla crap, telemetry, tracking and other bloatware. It's great!

    Guest
    Positive
    2
    • based on Mozillas open source code
    • removed annoyances like tracking
    • stable
    • free
    Review by a new / low-activity user.
    • Fennec F-Droid is Free and Open SourceMozilla Firefox is also Free and Open Source
  12. Opera icon

    Opera

     1822 likes

    A fast, secure web browser with advanced privacy features like a built-in VPN with ad blocking, Speed Dial, smart AI, cloud sync, picture-in-picture mode, and easy extensibility through plugins and extensions.

    238 Opera alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Flathub
    • PortableApps.com
    • Kindle Fire
    • Flatpak
    • HUAWEI AppGallery
    • Samsung Galaxy Store
    • Snapcraft
    Opera screenshot 1
     
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    12
    Opera vs Mozilla Firefox Comments
    Top Positive Comment
    FayyZ
    3

    If you want to share your data to the CPP, use this browser, this is the best way to do it ??

    Top Negative Comment
    Kelson V
    1

    Opera used to be good back in the day, but IMO it lost its way in the early 2010s. One of the founders went on to start Vivaldi, which is a spiritual successor to the original, and that one's my current favorite Chromium browser.

    dabockster
    Negative
    1

    Has more PRC spyware than TikTok. Avoid at all costs.

    3 of 12 comments
    • Opera is Free and ProprietaryMozilla Firefox is Free and Open Source
  13. Cromite icon

    Cromite

     76 likes

    Cromite is a Chromium fork focusing on privacy, featuring built-in ad-blocking, user agent customization for privacy, DNS adjustments for security, and anti-fingerprinting measures to ensure user safety throughout browsing sessions.

    46 Cromite alternatives

    Cost / License

    Application type

    Platforms

    • Windows
    • Linux
    • Android
    • Android Tablet
    • F-Droid
    Cromite screenshot 1
     
  14. Ladybird icon

    Ladybird

     62 likes

    Ladybird is an open-source web browser currently in development, with an alpha version expected to launch in 2026.

    59 Ladybird alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Linux
    Ladybird screenshot 1
     
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    1
    Ladybird vs Mozilla Firefox Comments
    luananeder
    Positive
    0

    It may not work completely well with modern web yet, but it's nice there's still someone working on an independent web browser out there. Everything else is just chromium or forks of firefox...

    • Ladybird is Free and Open SourceMozilla Firefox is also Free and Open Source
  15. Firefox Focus icon

    Firefox Focus

     113 likes

    Firefox Focus is the Mozilla-made browser that considers your privacy first and foremost. By default, it blocks ad-trackers and it helps keep things secure by providing easy ways to clear your browsing history, including passwords and cookies.

    127 Firefox Focus alternatives

    Cost / License

    Application types

    Platforms

    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Samsung Galaxy Store
    Firefox Focus screenshot 1
     
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    1
    Firefox Focus vs Mozilla Firefox Comments
    hundvd7
    Negative
    2

    It is essentially a fork of Firefox with ONLY private mode. There is no way to sync anything, to install extensions, and generally do anything permanent except saving sites on the home screen for some reason.

    And it has an un-toggleable cookie-banner dismisser, which does not work well, and sometimes breaks sites completely.

    • Firefox Focus is Free and Open SourceMozilla Firefox is also Free and Open Source
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