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 Mac, Windows, 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. 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.
Mozilla Firefox iconMozilla Firefox
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Open-source browser with Gecko engine, supporting HTML add-ons and providing privacy features like Enhanced Tracking Protection and third-party cookie blocking.

More about Mozilla Firefox
More about Mozilla Firefox
Mozilla Firefox alternatives page was last updated Jun 2, 2025
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  1. Mullvad Browser icon

    Mullvad Browser

     96 likes
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    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.

    86 Mullvad Browser alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • SE flagSweden
    • European Union flagEU

    Platforms

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

    Properties

    1.  Privacy focused
    2.  Support for Themes
    3.  Lightweight

    Features

    1.  Firefox-based Browsers
    2.  Block Trackers
    3.  No Tracking
    4.  Ad-free
    5.  Built-in Ad-blocker
    6.  No registration required
    7.  Fingerprinting protection
    8.  Dark Mode
    9.  Extensible by Plugins/Extensions
    10.  Proactive Protection
    11.  Picture in Picture
    12.  No Logs

    Mullvad Browser VS Mozilla Firefox

     
    Comments about Mullvad Browser as an Alternative to Mozilla Firefox
    dabockster
    Dec 10, 2024
    0

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

    Mozilla Firefox Icon
    Mullvad Browser icon

    • Almost everyone thinks Mullvad Browser is a great Mozilla Firefox alternative.

    • Mullvad Browser is Free and Open SourceMozilla Firefox is also Free and Open Source
    • Mullvad Browser is Privacy focused and LightweightMozilla Firefox is not according to our users
  2. GNU IceCat icon

    GNU IceCat

     122 likes
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    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.

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Linux
    • Android
    GNU IceCat screenshot 1

    Properties

    1.  Privacy focused
    2.  Lightweight

    Features

    1.  Fingerprinting protection
    2.  Firefox-based Browsers
    3.  HTTPS Support
    4.  Extensible by Plugins/Extensions
    5.  Tabbed browsing
    6.  Block Trackers
    7.  No Tracking
    8.  Dark Mode
    9.  Ad-free
    10.  Based on Gecko engine
    11.  Built-in Ad-blocker

    GNU IceCat VS Mozilla Firefox

     
    Comments about GNU IceCat as an Alternative to Mozilla Firefox
    dabockster
    Negative Dec 10, 2024
    -2

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

    Mozilla Firefox Icon
    GNU IceCat icon

    • Almost everyone thinks GNU IceCat is a great Mozilla Firefox alternative.

    • GNU IceCat is Free and Open SourceMozilla Firefox is also Free and Open Source
    • GNU IceCat is Privacy focused and LightweightMozilla Firefox is not according to our users
  4. Opera icon

    Opera

     1817 likes
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    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.

    222 Opera alternatives

    License model

    • Free • Proprietary

    Application types

    Country of Origin

    • NO flagNorway

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Flathub
    • PortableApps.com
    • Kindle Fire
    • Flatpak
    Opera screenshot 1

    Properties

    1.  Customizable

    Features

    1.  Built-in VPN
    2.  Built-in Ad-blocker
    3.  Limit ram usage
    4.  Sidebar
    5.  Support for Chrome extensions
    6.  Portable
    7.  Dark Mode
    8.  Picture in Picture
    9.  Currency Conversion
    10.  Support for Gestures
    11.  Cloud Sync
    12.  Extensible by Plugins/Extensions

    Opera VS Mozilla Firefox

     
    Comments about Opera as an Alternative to Mozilla Firefox
    Comment summary: Users express concerns over Opera's privacy and data handling, particularly regarding its ownership by a Chinese company, which contrasts with Firefox's open-source and privacy-focused approach. However, Opera receives praise for its speed, design, and features like free VPN and innovative updates. Preferences differ, as some users find Opera too bloated, preferring Firefox, which offers a different browsing experience.
    Top Positive Comment
    FayyZ
    Apr 14, 2024
    2

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

    Top Negative Comment
    linoslav
    Nov 8, 2021
    5

    If we wanted closed source, who knows where's your data now...

    Most Recent Comment
    Kelson V
    Negative Jan 4, 2025
    0

    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.

    Show more comments
    3 of 12 comments
    Mozilla Firefox Icon
    Opera icon

    • Most users think Opera is a great Mozilla Firefox alternative.

    • Opera is Free and ProprietaryMozilla Firefox is Free and Open Source
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  6. Fennec F-Droid icon

    Fennec F-Droid

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

    196 Fennec F-Droid alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • International

    Platforms

    • Android
    • F-Droid
    Start page
    Fennec F-Droid screenshot 2
    Extension support

    Properties

    1.  Privacy focused
    2.  Lightweight

    Features

    1.  Based on Gecko engine
    2.  Tracker-free
    3.  Extensible by Plugins/Extensions
    4.  Ad-free
    5.  Dark Mode
    6.  Block Trackers
    7.  No Tracking
    8.  Firefox-based Browsers
    9.  No registration required
    10.  Integrated Password Manager
    11.  Cloud Sync
    12.  Picture in Picture

    Fennec F-Droid VS Mozilla Firefox

     
    Comments about Fennec F-Droid as an Alternative to Mozilla Firefox
    BloodRaven0
    Positive Nov 10, 2024
    0

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

    Guest
    Positive Aug 26, 2020
    2
    • based on Mozillas open source code
    • removed annoyances like tracking
    • stable
    • free
    Mozilla Firefox Icon
    Fennec F-Droid icon

    • Almost everyone thinks Fennec F-Droid is a great Mozilla Firefox alternative.

    • Fennec F-Droid is Free and Open SourceMozilla Firefox is also Free and Open Source
    • Fennec F-Droid is Privacy focused and LightweightMozilla Firefox is not according to our users
  7. Cromite icon

    Cromite

     59 likes
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    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.

    39 Cromite alternatives

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • International

    Platforms

    • Windows
    • Linux
    • Android
    • Android Tablet
    • F-Droid
    new tab page
    settings page

    Properties

    1.  Privacy focused
    2.  Lightweight

    Features

    1.  Chromium-based Browsers
    2.  Ad-free
    3.  No Tracking
    4.  Block Trackers
    5.  Dark Mode
    6.  No registration required

    Cromite VS Mozilla Firefox

     
  8. Firefox Focus icon

    Firefox Focus

     104 likes
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    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.

    120 Firefox Focus alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Android
    • iPhone
    • Android Tablet
    • iPad
    Firefox Focus screenshot 1
    Firefox Focus screenshot 2
    Firefox Focus screenshot 3

    Properties

    1.  Privacy focused
    2.  Lightweight

    Features

    1.  Built-in Ad-blocker
    2.  Block Trackers
    3.  No Tracking
    4.  Single Tab
    5.  Ad-free
    6.  Firefox-based Browsers
    7.  Dark Mode
    8.  Sync via TOR network
    9. Tor icon  Support for TOR

    Firefox Focus VS Mozilla Firefox

     
    Comments about Firefox Focus as an Alternative to Mozilla Firefox
    hundvd7
    Negative Jun 2, 2025
    0

    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.

    Mozilla Firefox Icon
    Firefox Focus icon

    • Almost everyone thinks Firefox Focus is a great Mozilla Firefox alternative.

    • Firefox Focus is Free and Open SourceMozilla Firefox is also Free and Open Source
    • Firefox Focus is Privacy focused and LightweightMozilla Firefox is not according to our users
  10. IronFox icon

    IronFox

     29 likes
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    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.

    62 IronFox alternatives

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • International

    Platforms

    • Android
    • Android Tablet
    • F-Droid
    IronFox screenshot 1
    IronFox screenshot 2
    IronFox screenshot 3

    Properties

    1.  Privacy focused
    2.  Lightweight
    3.  Support for Themes

    Features

    1.  Extensible by Plugins/Extensions
    2.  Firefox-based Browsers
    3.  Ad-free
    4.  Cloud Sync
    5.  No Tracking
    6.  Block Trackers
    7.  Dark Mode
    8.  Picture in Picture
    9.  Integrated Password Manager
    10.  Website Translation
    11.  AdBlock Friendly
    12.  HTTPS-Only Mode

    IronFox VS Mozilla Firefox

     
    Comments about IronFox as an Alternative to Mozilla Firefox
    Casper Rivers
    Positive Mar 30, 2025
    -1

    The best gecko based browser for android

    Mozilla Firefox Icon
    IronFox icon
    • IronFox is Free and Open SourceMozilla Firefox is also Free and Open Source
    • IronFox is Privacy focused and LightweightMozilla Firefox is not according to our users
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