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 11, 2025
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  1. Thorium Browser icon

    Thorium Browser

     11 likes
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    Chromium fork named after radioactive element No. 90.

    108 Thorium Browser alternatives

    License model

    • Free • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    Thorium Browser screenshot 1
    Warning

    Thorium has a history of being bundled with Yiff (furry porn) withing the program structure folders, while some other users report their antivirus detect a Troyan file bundled with it.

    Properties

    1.  Privacy focused

    Features

    1.  No Tracking
    2.  No registration required
    3.  Dark Mode
    4.  Windows XP Compatibility

    Thorium Browser VS Mozilla Firefox

     
    Comments about Thorium Browser as an Alternative to Mozilla Firefox
    dabockster
    Negative Dec 10, 2024
    -1

    Lead dev is a weeb that had a meltdown in chat and tried to doxx everyone. Is that the kind of person you trust to write a daily driver browser?

    Mozilla Firefox Icon
    Thorium Browser icon
    • Thorium Browser is Free and Open SourceMozilla Firefox is also Free and Open Source
    • Thorium Browser is Privacy focusedMozilla Firefox is not according to our users
  2. NetSurf icon

    NetSurf

     40 likes
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    NetSurf is a free, open source web browser. It is written in C and released under the GNU Public Licence version 2. NetSurf has its own layout and rendering engine entirely written from scratch. It is small and capable.

    License model

    • Free • Open Source

    Application type

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Haiku
    • AmigaOS
    • Xfce
    NetSurf screenshot 1

    Properties

    1.  Lightweight
    2.  Privacy focused

    Features

    1.  HTTPS Support
    2.  Non profit
    3.  Activity history
    4.  Bookmarks
    5.  Ad-free
    6.  Tabbed browsing

    NetSurf VS Mozilla Firefox

     
  4. Opera Air icon

    Opera Air

     12 likes
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    A browser prioritizing mindfulness with smart exercises, mindful breaks, and guided meditations. Integrated AI for chatting, image creation, voice outputs. Includes Ad Blocker, adaptable UI, and a secure VPN. Harness soundscapes for stress relief and focus.

    62 Opera Air alternatives

    License model

    • Free • Proprietary

    Application type

    Country of Origin

    • NO flagNorway

    Platforms

    • Mac
    • Windows
    • Linux
    Opera Air screenshot 1

    Properties

    1.  Support for Themes
    2.  Minimalistic

    Features

    1.  Extensible by Plugins/Extensions
    2.  Built-in VPN
    3.  No registration required
    4.  Integrated Password Manager
    5.  Dark Mode
    6.  Stay Focused
    7.  AI-Powered
    8.  AI Summarization
    9.  Built-in Ad-blocker

    Opera Air VS Mozilla Firefox

     
  5. Ad
    Screenshot
    Opera GX icon
    Opera GX

    Web browser optimized for gamers, with CPU, RAM, and network limiters, Twitch and Discord sidebar integration, customizable gaming themes, GX Corner for games, news, deals, mobile sync via Flow, multitasking chat, ad blocker, and...

    https://www.opera.com
    Learn More
  6. Dia Browser icon

    Dia Browser

     9 likes
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    Dia is a new browser from The Browser Company and the evolution of Arc Browser, the now-discontinued browser known for rethinking tab management and workspace organization.

    62 Dia Browser alternatives

    License model

    • Free • Proprietary

    Application type

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    Dia Browser screenshot 1

    Dia Browser Features

    1.  Block Trackers
    2.  AI-Powered
    3.  Sidebar
    4.  Built-in Ad-blocker
    5.  Built-in AI Assistant
    6.  AI Summarization
    7.  Video Summarize

    Dia Browser VS Mozilla Firefox

     
  7. Maxthon Browser icon

    Maxthon Browser

     246 likes
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    Experience a fast, secure browser featuring cloud solutions, ad-blocking, anti-IP tracking, free VPN, sync across devices, and Web3 AI tools. Maxthon offers user-controlled privacy settings, incognito mode, anti-phishing, tab management, split-screen multitasking, and more.

    166 Maxthon Browser alternatives

    License model

    • Free • Proprietary

    Application type

    Country of Origin

    • GB flagUnited Kingdom

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Maxthon Browser screenshot 1

    Top Maxthon Browser Features

    1.  Extensible by Plugins/Extensions
    2.  Integrated Password Manager
    3.  Website Translation
    4.  Dark Mode
    5.  Portable
    6.  Support for Gestures
    7.  Built-in Adobe Flash Player
    8.  Built-in Wallet
    9.  Built-in AI Assistant
    10.  Built-in RSS reader
    11.  Tabbed browsing
    12.  Built-in Download Manager

    Maxthon Browser VS Mozilla Firefox

     
    Comments about Maxthon Browser as an Alternative to Mozilla Firefox
    Guest
    Positive Apr 11, 2019
    -4

    Comes with a lot of built-in tools, more than one rendering engine and switching between them on the go is very easy, is also quite stable and fast.

    Mozilla Firefox Icon
    Maxthon Browser icon

    • Some users think Maxthon Browser is a great Mozilla Firefox alternative, some don't.

    • Maxthon Browser is Free and ProprietaryMozilla Firefox is Free and Open Source
  8. Ecosia Browser icon

    Ecosia Browser

     11 likes
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    Ecosia Browser is the newest product from Ecosia an eco-friendly, fast, ad-free browsing experience that supports reforestation.

    70 Ecosia Browser alternatives

    License model

    • Free • Proprietary

    Application types

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    Ecosia Browser screenshot 1

    Properties

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

    Features

    1.  Dark Mode
    2.  Block Trackers
    3.  No registration required
    4.  Extensible by Plugins/Extensions
    5.  Picture in Picture
    6.  Support for Gestures
    7.  Ad-free

    Ecosia Browser VS Mozilla Firefox

     
  10. SRWare Iron icon

    SRWare Iron

     187 likes
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    SRWare Iron, or simply Iron, is a fork of the free and open-source web browser Chromium , of which Google Chrome is a fork of. Iron primarily aims to eliminate usage tracking and other privacy violating...

    164 SRWare Iron alternatives

    License model

    • Free • Proprietary

    Application type

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • PortableApps.com
    SRWare Iron screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  Block Trackers
    2.  Extensible by Plugins/Extensions
    3.  Portable
    4.  Chromium-based Browsers
    5.  SRWare
    6.  Built-in Ad-blocker

    SRWare Iron VS Mozilla Firefox

     
    Comments about SRWare Iron as an Alternative to Mozilla Firefox
    dabockster
    Negative Dec 10, 2024
    0

    Not easy to find the source code for.

    Mozilla Firefox Icon
    SRWare Iron icon

    • Some users think SRWare Iron is a great Mozilla Firefox alternative, some don't.

    • SRWare Iron is Free and ProprietaryMozilla Firefox is Free and Open Source
    • SRWare Iron is LightweightMozilla Firefox is not according to our users
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