Alternatives to Mozilla Firefox for all platforms with any license

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Show 18 less popular platforms

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  • Google Chrome icon

    Google Chrome

    A free web browser developed by Google from the open source Chromium project with a focus on speed and minimalism. Chrome offers fast...

    Free Mac Windows Linux Android iPhone Chrome OS Android Tablet BSD ... iPad PortableApps.com

    Android Sync Automatic Form-Filler Based on Blink engine Built-in Adobe Flash Player Based on Chromium Extensible by Plugins/Extensions ... Firefox extension Inspect Element Integrated PDF Viewer Integrated into iOS Support for QuickSync acceleration Place websites on desktop Supports H265 Codec User Levels Based on Webkit engine Bundled with Windows Add a feature
    • Bad add-on/script compatibility, less freedom for modding the browser Guest • Aug 2015 • 39 agrees and 12 disagrees Disagree   Agree
    • It doesn't have the same level of privacy and personalization Guest • Mar 2017 • 28 agrees and 8 disagrees Disagree   Agree
    • Do not have as many languages and spell checking support as Firefox do. Guest • Dec 2016 • 21 agrees and 11 disagrees Disagree   Agree
    • It isn't as custom free as Firefox. It has a lower level of privacy, also. Guest • May 2017 • 8 agrees and 3 disagrees Disagree   Agree
    • It is fast, stable and more secure than Firefox. It manages the resources better than Firefox. sidboy • Nov 2016 • 9 agrees and 49 disagrees Disagree   Agree
  • Vivaldi Browser icon

    Vivaldi Browser

    A browser for our friends. Fast, feature rich and highly customizable that puts the users first.

    Free Mac Windows Linux

    Customizable Group tabs Mouse gestures Based on Blink engine Capture web pages Based on Chromium ... Dark theme Support for Keyboard Shortcuts Opera-like Split-screen view Sync between devices Tab Control Tab preview Tab Stacking Tabbed browsing Tabbed interface Support for Themes Add a feature
    • Vivaldi is fast, has a native note taking service and sidebar. Chrome extensions work flawlessly. EXCELLENT browser. Guest • Jan 2017 • 4 agrees and 0 disagrees Disagree   Agree
    • Vivaldi is AMAZING, it just features everything I like in Firefox, with the speed of the webkit engine ! It accepts chrome extensions. The synchronization support should be added soon. It is better than Chrome for sure. If it was open-source, it would be better than Firefox as well. loxaxs • Apr 2017 • 2 agrees and 0 disagrees Disagree   Agree
    • Does not adapt aromatically to the high contrast environment (windows - ease of access) thus is impossible for people with vision problems to work with the browser unless someone customize vivaldi for them Guest • Aug 2017 Disagree   Agree
    • Fast, customizable, lightweight and is not made by a company that sell ads and spy your online behavior like google. Guest • Apr 2017 • 0 agrees and 2 disagrees Disagree   Agree
    • Vivaldi cares about users privacy and user experience while on the web. It doesn't have the bloat that comes with Chrome, and the slowness that comes with Firefox. Guest • Dec 2016 • 1 agrees and 5 disagrees Disagree   Agree
  • Chromium icon

    Chromium

    Chromium is the open-source browser project from which Google Chrome takes its source.

    Free Open Source Mac Windows Linux Android BSD PC-BSD Xfce

    Based on Blink engine Based on Chromium Optimize for fast boot Add a feature
    • Chromium is the core of the Chrome browser. It functions well enough as a browser but lacks some of Chrome's features (e.g. built in language translator). Even though Chromium is open source, it still "phones home" to Google, which has privacy implications. There are more private Chromium-based browsers, such as Brave and Iridium. JohnFastman • Dec 2016 • 12 agrees and 3 disagrees Disagree   Agree
    • Chromium is most likely the heart of Google Chrome, Opera and some browsers without fancy features. SiliconeValley • Sep 2016 • 8 agrees and 1 disagrees Disagree   Agree
    • Chromium is not a ready-for-the-consumer software. It is a open source project that needs to be implemented to make it work. jacksarrocco • Jul 2016 • 10 agrees and 23 disagrees Disagree   Agree
  • Opera icon

    Opera

    Opera is a browser with innovative features, speed and security. Opera’s vision is to deliver the best Internet experience on any device and the company is committed to...

    Free Mac Windows Linux Windows Mobile Android S60 Android Tablet BSD ... PortableApps.com Kindle Fire

    Built-in VPN Built-in Ad-blocker Based on Blink engine Built-in Download Manager Built-in RSS reader Based on Chromium ... Dark mode Extensible by Plugins/Extensions Lightweight Mouse gestures Multiple languages Privacy Protected Resume interrupted downloads Sync between devices Tabbed browsing Tabbed interface Add a feature
    • Innovative features, good extension support, stable Guest • May 2017 • 1 agrees and 1 disagrees Disagree   Agree
    • The snappiest browser I've ever used. Amazing load and boot times compared to Firefox. it is also faster than Chrome and Vivaldi. I tried almost all the alternatives on this page. and Opera was the fastest. MD98SY • 3 days ago Disagree   Agree
    • Opera has so many new features in the new update 42 comes with the new sidebar,new animations and more features and it has a very nice design SecurityChecker • Jun 2017 • 1 agrees and 2 disagrees Disagree   Agree
  • Pale Moon icon

    Pale Moon

    Pale Moon is an Open Source, Goanna-based web browser available for Microsoft Windows and Linux focusing on efficiency and ease of use. Pale Moon offers you a...

    Free Open Source Windows Linux Android

    Extensible by Plugins/Extensions Based on Firefox Support for Firefox extensions Based on Goanna engine Lightweight Optimized Firefox ... Optimized for Windows Add a feature
    • When Firefox become more and more bloated Pale Moon is lightweight, offers stability and compatibility with the FF extensions (for now, because WebExtensions). It also works great with a lot of tabs(400 or more). Guest • Mar 2017 • 6 agrees and 1 disagrees Disagree   Agree
    • So far, Pale Moon gives me features I want that Firefox has disabled and will soon be gone completely in Firefox 57. Firefox 57 will be a Chrome-like boat anchor. Pale Moon is very stable, lightweight and is fast Guest • Apr 2017 • 6 agrees and 1 disagrees Disagree   Agree
    • Much more stable than the actual firefox. 1 crash per day vs. 1 crash per two weeks on MacOSX Guest • Mar 2016 • 5 agrees and 3 disagrees Disagree   Agree
    • Firefox is no longer just a good browser. Firefox is going to be a Google Chrome clone. It is dropping support for legacy add-ons. Firefox is dropping support for XP and Vista. Pale Moon has committed to retaining support for add-ons, menu's, security and still remains lightweight. Guest • Apr 2017 • 1 agrees and 1 disagrees Disagree   Agree
    • Pale Moon is very lightweight (low RAM usage), and maintains the look and feel of earlier versions of Firefox. Essentially, this is the Firefox Mozilla should have made. Guest • May 2017 • 1 agrees and 1 disagrees Disagree   Agree
  • Brave icon

    Brave

    Brave Web Browser is a fast, free, secure web browser with a built-in ad blocker*, tracking and security protection, and optimized data and battery experience. *What...

    Free Open Source Mac Windows Linux Android iPhone Android Tablet iPad

    Built-in Ad-blocker Privacy focused Built-in VPN Bitcoin Accepted Based on Chromium Fast search ... Micropayments System No Tracking Security focused Add a feature
    • Currently (March 2017), Brave is not a mature project. It's an open-source privacy-oriented browser and very fast. But you rely on the developers to provide most of the privacy settings, and you can't install extensions. Firefox remains much more customizable via it's about:config menu options. JohnFastman • Mar 2017 • 6 agrees and 0 disagrees Disagree   Agree
    • It's really really nice and fast, but is still in very early development and lacking a lot of features Guest • Apr 2017 • 3 agrees and 0 disagrees Disagree   Agree
    • Read my review. Brave is Firefox baby with more privacy and clear interface Akino • Jun 2017 • 1 agrees and 0 disagrees Disagree   Agree
    • Censorship-plain and simple. Our household has used Mozilla since 2006 as the one and only go to browser, sadly today marks that end due to their involvement with internet censorship. Brave was started by one of Mozilla's original co-founders I went with them naturally. Guest • 15 days ago Disagree   Agree
  • Waterfox icon

    Waterfox

    Waterfox is a high performance browser based on the Mozilla platform. Made specifically for 64-Bit systems, Waterfox has one thing in mind: speed.

    Free Open Source Mac Windows

    Support for 64 bit Optimize for fast boot Based on Firefox Support for 64 bit Optimized Firefox Optimized for Windows ... Specific for 64-Bit Add a feature
    • It depends what you want from a Firefox alternative. Waterfox is essentially identical to Firefox, except that it's a 64-bit, not a 32-bit browser. It's still open source and fully compatible with all options, extensions and everything else. JohnFastman • Dec 2016 • 3 agrees and 0 disagrees Disagree   Agree
    • Waterfox is made for x64 (amd64) CPUs, and it also delivers you a fine service concerning privacy, firstly devs removed telemetry and tracking implented recently in Firefox. Secondly it supports old extensions and pocket was removed Akino • Jun 2017 • 1 agrees and 0 disagrees Disagree   Agree
    • Great 64-bit alternative, it's lighting-fast & ditches the telemetry. Guest • Aug 2017 Disagree   Agree
  • Safari icon

    Safari

    Safari is a web browser developed by Apple Inc. and bundled with Mac OS X. It was first released as a public beta on January 7, 2003, and is the default browser in Mac...

    Free Mac iPhone iPad

    Lightweight SMS Tracking Add a feature
  • Cyberfox icon

    Cyberfox

    Cyberfox is a 64-bit version (32-bit download also available) of Mozilla Firefox , compiled With Microsoft Visual Studios 2012, Windows 8 SDK & Intel Composer XE 2013.

    Free Open Source Windows Linux

    Support for 64 bit Based on Firefox Specific for 64-Bit Add a feature
    • Native 64bit, fast, clean from adware, suspicious extensions and it has it's own user profile. Many Firefox alternative browsers share user profile with Firefox. Guest • Dec 2016 • 1 agrees and 0 disagrees Disagree   Agree
    • Excellent user support, less memory-intensive than either the official Firefox 64-bit or Waterfox (based on my system), and it works with Firefox Sync. Guest • Mar 2017 Disagree   Agree
  • SeaMonkey icon

    SeaMonkey

    The SeaMonkey project is a community effort to develop the SeaMonkey all-in-one internet application suite. A lighter alternative to...

    Free Open Source Mac Windows Linux BSD PortableApps.com

    WYSIWYG Support Built-in RSS reader Extensible by Plugins/Extensions Support for Firefox extensions Integrated Email Client Add a feature
    • Lighter on resources, had UI we were used to in old Firefox(version 3.x), some features like webRTC might be missing. mzs_47 • Sep 2015 • 1 agrees and 1 disagrees Disagree   Agree
    • Less resource-intensive than Firefox. Generally fast and stable. Guest • May 2017 Disagree   Agree
    • Within Linux works much more fast and compatible with Firefox extensions Guest • Jul 2015 • 0 agrees and 1 disagrees Disagree   Agree

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  • Maxthon Cloud Browser icon

    Maxthon Cloud Browser

    Maxthon is a browser with innovative features, speed and security. Features Tabbed document interface Saves open tabs in case of program shutdown or...

    Free Mac Windows Linux Android iPhone Android Tablet iPad PortableApps.com

    Built-in Ad-blocker Built-in Download Manager Built-in RSS reader Extensible by Plugins/Extensions Support for gestures Tabbed browsing Add a feature
    • Warning Maxthon apparently collects sensitive data without asking: http://news.softpedia.com/news/maxthon-browser-collects-sensitive-data-even-if-users-opt-out-506327.shtml

Mozilla Firefox Comments

Firefox remains the best for privacy.

Comment by JohnFastman
about Mozilla Firefox and Keefox, Tor Browser, OmniSidebar · Mar 2017 · Helpful Not helpful 8 Helpful

Mozilla's decisions will lower customizability/popularity

Firefox 57 will support only addons written via the WebExtensions API, which will mean that a great deal of well-loved Firefox functionality will disappear. This includes, e.g. Omnisidebar and Keefox. The community are furious (see here, here and here).

Still the most private for general browsing

Despite this, Firefox the best browser for customizability and privacy. It is the only browser able to give the user a huge range of options on everything from WebGL to WebRTC, changing how many closed tabs are remembered/can be re-opened, whether websites can ask for information about copy-pasting, battery status... If you don't know about this, you'll be surprised.

I recommend following the privacy guidelines set out for configuring Firefox on privacytools.io.

Firefox is open source and remains the best option for general online privacy, short of using Tor Browser (which is based on Firefox, btw.)

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Essential extensions

Comment by Anamon
about Mozilla Firefox · Feb 2017 · Helpful Not helpful 3 Helpful

The main reason for many, if not most, people to use Firefox over other browsers such as Chrome or the new Opera, is customisation. No other browser comes close in the diversity and power of its extensions ecosystem, and it's really why I personally still use it as my main browser. While a number of developers do their best, Chrome's selection of extensions is, to put it bluntly, laughable. The average quality is terrible, many developers won't even try because they know already how ridiculously limited the possibilities are that Google gives developers.

Sadly, over the past few years, starting at around the time of Firefox's rapid release cycle, most extensions I installed were to restore some functionality that was removed. But thanks to the powerful possibilities given to extensions a good workaround could usually be found. For the benefit of anyone who might be interested, here is my short list of Firefox extensions that I find absolutely essential.

Category 1 consists of 4 extensions which, in my humble opinion, are essential to turn Firefox into a usable browser in the first place. To be frank, I think any browser should just come with this functionality by default. Note that this is not a criticism against Firefox per se – no other major browser offers these things, at least Firefox is one of the few (the only one?) that allow you to add them afterwards.

  • NoScript: Browsing the web without this is just a liability. You're protected from most web-based vulnerabilities and exploits by default with NoScript, and the most annoying ads to boot. You will never go back to the usual "doors and windows unlocked and wide open" way of surfing the web. A slight inconvenience in the beginning by having to whitelist trusted servers, but it will very quickly pay off in a surfing experience that is about 1000× faster and 1000× safer and 1000000× less annoying. And websites that, without good reason, don't even work fully unless JavaScript is active? Ditch them, you don't need that poorly engineered mess in your life.
  • Nuke Anything Enhanced: Remove annoying, broken, and unnecessary elements from web pages. Very useful for preparing pages for print, but not only.
  • Textarea Cache: What the old, abandoned and now non-functional Lazarus extension used to do: store backup copies of whatever you write into webforms, so should anything undesirable happen – browser crash, accidentally navigating away from the page, or a failure to submit on a website that is so poorly written as to lose your data when it happens – you can restore it from the cache. Can save you massive amounts of time and frustration.
  • Classic Theme Restorer: After the Australis redesign, UI customisability was severely restricted, if not eliminated. Most of its elements are also a massive waste of space, making Firefox almost impossible to use for power users. Do you sometimes open more than 10 tabs? Do you have more than 100 bookmarks? If so, then you can't really use Firefox unless you let CTR fix some of the damage done by Australis. Thanks to it, I have a title bar that actually shows me titles of pages I'm on, I have more space-efficient (and square!) tabs, prettier buttons and toolbars, and almost most importantly: so much less wasted screen real estate all around.

Category 2 is a more personal selection. These extensions I wouldn't consider essential, but using Firefox without them would just be endlessly frustrating to me. These are real time savers and effective grey hair preventers.

  • Bookmark Favicon Changer: I use a bookmarks toolbar without names or text labels (easy one-click access to many essential sites!), so favicons are all I have to distinguish them. Sadly, some websites don't offer one, or a very much less than expressive one. This extension allows you to set custom ones. Because of differences of opinion with Mozilla, the extension has to be downloaded from the author's own website.
    Huzzah!
  • DownThemAll! I thought the days of needing download managers are over, but this is a nifty little helper at times. Poor servers can make it very helpful to be able to resume downloads, and its bulk download options are very handy.
  • Keybinder: Because Firefox doesn't allow customising keyboard shortcuts. I don't know what was the brilliant idea behind disabling the Escape key in Firefox (it used to cancel pending requests, including AJAX), but it was terribly idiotic, because now you're no longer able to just bash escape if something's happening that you don't want to – the most common use case being, of course, hitting a link by accident. Set up the Escape key to mean "Stop" again using Keybinder (as otherwise the key is completely non-functional) and you can prevent that stuff from happening again. I also use it to disable the F12 shortcut for the developer console, because I keep hitting it by accident.
  • Keyword Search: Firefox always supported multiple search engines. It was completely incomprehensible why they would make the search bar completely superfluous by forcing users to always search with the one engine they currently set as a default, regardless of where they're searching from. In other words, searching from the search bar is now functionally equivalent to doing it from the URL bar, and I honestly don't know why the former is even still there. Since I don't want to have to constantly switch the default engine back and forth, I set Keyword Search up so that the URL bar searches my default engine, and the search bar searches whatever engine I select in it. Sorted, searching is usable again.
  • Link Visitor: This is more of a personal choice; I often use unvisited/visited link colours to remember what I've already read. If I click something by accident, I can toggle the link colour back to Unvisited using this extensions.
  • Tampermonkey: Customise the web.
  • URL Flipper: Very handy to navigate paginated websites, galleries, and so on. Allows you to increment and decrement URL variables easily.
  • Video DownloadHelper: Say no to media conglomerates trying to take away your consumer rights. You have a right to download private copies – exercise it! And disable those abominable EME DRM extensions in Firefox settings, while you're at it. Say no to media that is "defective by design".
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Comment by TheCEOofDoodleCo
about Mozilla Firefox · Apr 2017 · Helpful Not helpful

Mozilla is a great organization, and Firefox is more stable and less memory-consuming than Chromium-based browsers like Chrome or Opera. I also generally like Firefox's library of add-ons more than those in the Chrome Web Store. NoScript is very useful.

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Comment by Akoot
about Mozilla Firefox · Mar 2017 · Helpful Not helpful

It's fast and very pretty, very customizable

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not that good

Comment by micapresser94
about Mozilla Firefox · Sep 2016 · Helpful Not helpful

for me, mozila have a lot of issues that make the app really complicated to use. I use chrome with no problem at all

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Issues with Mozilla

Comment by info123456789101112131415
about Mozilla Firefox · Sep 2016 · Helpful Not helpful

I got feedback from some users who say that when they visit my website using the Mozilla Firefox browser things are not being displayed correctly. Why is this?

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not my favorite

Comment by louisbeckler784
about Mozilla Firefox · Sep 2016 · Helpful Not helpful

I have used this browser several times, it is definitely not my favorite but it's ok, I prefer chrome though

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a comment

Comment by 11009723
about Mozilla Firefox · Jul 2016 · Helpful Not helpful

I use Firefox everyday , and I really like it

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Firefox 64-bit!

Comment by Danilo_Venom
about Mozilla Firefox · Dec 2015 · Helpful Not helpful

Finally, with Firefox 43, an official 64-bit version of the program is available for Windows :D

Azazel · Dec 2015

Yess!
Unlike Chromium, Firefox only keeps getting better and better.

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Flash Player crashes - how to fix

Comment by LAN
about Mozilla Firefox · Nov 2015 · Helpful Not helpful

Lots of users experience Adobe Flash Player hangs or crashes. I don't know why it isn't fixed yet, but there is a simple workaround that makes Flash work properly: http://mzl.la/1zuyG1P

Try it - it solved the problems for me!

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Firefox Extension

Comment by waqasahmed
about Mozilla Firefox and Classic Theme Restorer · Mar 2015 · Helpful Not helpful

Try http://alternativeto.net/software/classic-theme-restorer-customize-australis- . It restores classic Firefox button, tabs shape, removed customization features, etc.

[Edited by Venom88, March 17]

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fast rendering time

Comment by rewerest
about Mozilla Firefox · Nov 2014 · Helpful Not helpful

It has good rendering time and fast starting time but version 32.0.2 got the best score so far.

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Tip for improving memory usage

Comment by Jynto
about Mozilla Firefox and Restartless Restart · Apr 2012 · Helpful Not helpful

If Firefox is using too much memory, just restart it and your tabs will come back. The addon Restartless Restart is great, as it adds a button and a keyboard shortcut for restarting.

Also bear in mind that the more RAM you have, the more Firefox is going to use.

[Edited by Venom88, April 07]

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Firefox 10 is even more stable

Comment by Eostyx
about Mozilla Firefox and Google Chrome, Opera · Feb 2012 · Helpful Not helpful

Firefox is currently the best alternative browser at the moment. My only gripes is that it has its archaic download window instead of the streamlined Chrome like downloader. While Google Chrome is better out of the box, it suffers greatly from weaker Addon support. Firefox's addons are much, much more useful.

Chrome addons implementation is rather poorly done. It slows the browser down and increases the memory usages/load times dramatically compared to Firefox. Yes addons slow both down in some way or another, BUT Firefox's addons are closer to the browser so that they can have more functionality.

Last but not least, Chrome is the ad brokers browser. Everyone using Chrome has to understand why Google sees this as a huge opportunity, right? But I must say Chrome a great browser in it's own right. Much MUCH faster with most Javascript.

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