Best System Utilities for Mozilla Firefox
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Compare the Top System Utilities that integrate with Mozilla Firefox as of August 2025
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This a list of System Utilities that integrate with Mozilla Firefox. Use the filters on the left to add additional filters for products that have integrations with Mozilla Firefox. View the products that work with Mozilla Firefox in the table below.
What are System Utilities for Mozilla Firefox?
System utilities are software tools that can be used to improve, optimize, configure, and enhance a computer's functions and features. System utilities provide a variety of use cases including file management, disk cleanup, PC tune up, file copying, backup, analytics, memory management, and more. Compare and read user reviews of the best System Utilities for Mozilla Firefox currently available using the table below. This list is updated regularly.
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1
Control D
Control D
Control D is a customizable DNS filtering and traffic redirection platform that leverages Secure DNS protocols like DNS-over-HTTPS, DNS-over-TLS and DNS-over-QUIC, with support for Legacy DNS. - Block malicious threats - Block unwanted types of content network wide (ads & trackers, IoT telemetry, adult content, socials, and more) - Deploy in minutes on fleets of devices using RMM - Manage clients using sub-organizations - Gain visibility on network events and usage patterns, with client level granularity - Re-route traffic via proxies (through DNS) for improved privacy and security - Enjoy superior UX and simplicity Think of it as your personal Authoritative DNS resolver for the entire Internet that gives you granular control over what domains get resolved, redirected or blocked.Starting Price: $2/month -
2
Kasm Workspaces
Kasm Technologies
Kasm Workspaces streams your workplace environment directly to your web browser…on any device and from any location. Kasm uses our high-performance streaming and secure isolation technology to provide web-native Desktop as a Service (DaaS), application streaming, and secure/private web browsing. Kasm is not just a service; it is a highly configurable platform with a robust developer API and devops-enabled workflows that can be customized for your use-case, at any scale. Workspaces can be deployed in the cloud (Public or Private), on-premise (Including Air-Gapped Networks or your Homelab), or in a hybrid configuration.Starting Price: $0 Free Community Edition -
3
RAD PDF
Red Software
Add a fully functional PDF editor to your ASP.NET website in minutes! Compatible with 99% of desktop & mobile browsers, from Internet Explorer 6 through the latest iOS Safari release, RAD PDF simply works. No plugins or other software needed. RAD PDF natively supports the most commonly used PDF features. Beyond a PDF reader, RAD PDF equips web applications with a browser-based PDF editor & PDF annotator. Features not even available in Adobe Acrobat Reader can be used to provide advanced PDF functionality. By enabling PDF form filling, PDF redaction, & PDF signing directly in the web browser, RAD PDF users can utilize PDF features without worrying about having the right platform or software installed! Allow your app to design new PDF forms, protect content, sign PDFs, & more using an intuitive graphical user interface (GUI). Client (JavaScript) and server APIs allow for endless possibilities .NET Core, Framework, & .NET 5+ supported Try editing any PDF with RAD PDF, FREE!Starting Price: $299 per developer -
4
Windscribe
Windscribe
Windscribe is much more than a VPN. It's a desktop application and browser extension that work in conjunction to protect your online privacy, unblock websites, and remove ads and trackers from your everyday browsing. With Windscribe, you'll never mess with confusing settings and options menus again; just turn it on on your desktop once, and it's good to go in the background forever.Starting Price: $0 -
5
Google
Google
Our mission is to organize the world's information so that everyone can access and use it. Every time you search, there are thousands, sometimes millions, of webpages with helpful information. How Google figures out which results to show starts long before you even type, and is guided by a commitment to you to provide the best information. Even before you search, Google organizes information about webpages in our Search index. The index is like a library, except it contains more info than in all the world’s libraries put together. In a fraction of a second, Google’s Search algorithms sort through hundreds of billions of webpages in our Search index to find the most relevant, useful results for what you’re looking for. To help you find what you’re looking for quickly, Google provides results in many useful formats. Whether presented as a map with directions, images, videos or stories, we’re constantly evolving with new ways to present information.Starting Price: Free -
6
NextDNS
NextDNS
NextDNS protects you from all kinds of security threats, blocks ads and trackers on websites and in apps and provides a safe and supervised Internet for kids, on all devices and on all networks. Determine your threat model and fine-tune your security strategy by enabling 10+ different types of protections. Use the most trusted threat intelligence feeds containing millions of malicious domains, all updated in real-time. Go beyond the domain, we analyze DNS questions and answers on-the-fly (in a matter of nanoseconds) in order to detect and block malicious behavior. With usually only a few hours between domain registration and the start of an attack, our threat intelligence system is built to catch malicious domains earlier than classic security solutions. Block ads and trackers on websites and in apps, including the most devious ones. Use the most popular ads & trackers blocklists, millions of domains all updated in real-time.Starting Price: $39 per month -
7
uBlock Origin
uBlock Origin
The uBlock Origin is a free and open-source, cross-platform browser extension for content filtering—primarily aimed at neutralizing privacy invasion in an efficient, user-friendly method. Additionally, you can point-and-click to block JavaScript locally or globally, create your own global or local rules to override entries from filter lists, and many more advanced features.Starting Price: Free -
8
DuckDuckGo Privacy Browser
DuckDuckGo
DuckDuckGo is an Internet privacy company that empowers you to seamlessly take control of your personal information online, without any tradeoffs. With our roots as the search engine that doesn’t track you, we’ve expanded what we do to protect you no matter where the Internet takes you. The Privacy Grade shows you how much a site can be trusted, before and after our Privacy Protection is applied. We force sites to use encrypted connections when available, protecting your data from prying eyes. Our tracker blocker stops advertisers from tracking you on the sites you visit. The Internet just got less creepy. Other search engines track your search history. We don't track you. -
9
DuckDuckGo
DuckDuckGo
Get free, continuous protection for your privacy in the browser with one download. Browse as usual and we take care of the rest. We offer you search engine, tracker blocker and encryption enhancement all in one Chrome extension. Search privately with our app or extension, add private web search to your preferred browser, or search duckduckgo.com. Our private mobile browser comes equipped with our search engine, tracker blocker, encryption enhancement, and more. Available for iOS and Android. We do not store your personal information . And we never will. Our privacy policy is simple, we do not collect or share any of your personal information. We're the Internet privacy company for everyone who's had enough of hidden online tracking and wants to take back their privacy now. For over a decade, we've built products, created new technology, and worked with policymakers to make online privacy simple and accessible for all.Starting Price: Free -
10
Bing
Microsoft
Bing helps you turn information into action, making it faster and easier to go from searching to doing. Bing helps you turn information into action, making it faster and easier to go from searching to doing. As Bing continues to evolve, we’re focused on expanding the ways in which you can use Bing. For example, did you know that Bing powers InPrivate search with Microsoft Edge, quick searches in the Windows taskbar, work search scenarios with Microsoft 365, immersive gaming in Microsoft Flight Simulator, and much more? That’s why starting today, you will see a shift in product to Microsoft Bing, which reflects the continued integration of our search experiences across the Microsoft family. Beyond our commitment to expanding search scenarios, we also believe that you can and should get more value out of the searches you perform every day. That’s why we’re also excited to announce the expansion of Give with Bing, which helps you make a difference just by searching.Starting Price: Free -
11
Swisscows
Swisscows
Since we never collect your data, we never track your data! We respect your privacy! It is in our DNA to protect every user! With Swisscows you are 100% anonymous! Have our own servers and do not work with a cloud or third party! Family is the most important cell of our society! If morality and decency disappear, then neighborliness and love also disappear. The digital media are indispensable and yet pose a threat and challenge to the not yet formed perceptions of children and adolescents. Even parents and schools are not prepared for it. Our children grow up in a digital environment that has many benefits, but also many dangers. It is the responsibility of parents and guardians to engage with this topic intensively. The digital transformation has not only arrived swiftly, but is also driving forward at a rapid pace.Starting Price: Free -
12
AdGuard
AdGuard Software Ltd
AdGuard is the world’s first standalone ad blocker for Mac, Windows, Android, iPhone, and iPad. This ad blocking software offers much more than any browser extension ever could: it knows how to block all kinds of ads in all browsers and even in other apps, such as YouTube or messengers. AdGuard adblocker stops pop-ups, video adverts, banners, but that’s not all. It can block in-app, cross-app and OS-level tracking to protect your privacy, as well as prevent access to malicious websites and block requests from dangerous browser extensions. Thanks to unnoticeable background filtering and cosmetic processing, all you will see is clean pages with the content you came for. The special Tracking Protection filter designed by the AdGuard team accumulates rules against all known online analytics and allows the app to fight against all trackers and analytical systems that may spy on you. With AdGuard, you also have the option to filter traffic of any app installed on your devices.Starting Price: $2.49/mo -
13
Yahoo Search
Yahoo
Yahoo dials up what people love most with apps and sites like Yahoo Sports, Yahoo Finance, Yahoo Fantasy, Yahoo Mail and more in the works everyday. We reach millions of people around the globe and connect advertisers with just the right audiences to help build their brands and businesses. Yahoo is a strong advocate for online child safety and we offer multiple resources to help you protect your kids on the internet. You can visit Yahoo Safety for expert advice on how to make smarter and safer choices online, for you and your family. Whether you’re protecting young eyes or setting your own preference, Yahoo SafeSearch can filter most adult content. Turn the filter to Strict - no adult content, Moderate - no images or video, or Off - do not filter results. Yahoo Search displays Web results from around the internet. These include results from Yahoo websites, and non Yahoo websites. SearchScan by Yahoo Search alerts you to websites with potential security concerns such as viruses.Starting Price: Free -
14
Adblock Plus
Adblock Plus
Block ads that interrupt your browsing experience. Say goodbye to video ads, pop-ups, flashing banners and more. Blocking these annoyances means pages load faster. With Adblock Plus avoiding tracking and malware is easy. Blocking intrusive ads reduces the risk of "malvertising" infections. Blocking tracking stops companies from following your online activity. From the team behind Adblock Plus, the most popular ad blocker for desktop browsers, Adblock Browser is now available for your Android devices. Many ads have tracking built-in and some may even contain malware. Because of this, Adblock Plus provides certain levels of tracking and malware protection by default. If you want, you can add additional tracking and malware filter lists to increase your protection. From the team behind Adblock Plus, the most popular ad blocker for desktop browsers, Adblock Browser is now available for your Android devices.Starting Price: Free -
15
AdBlocker Ultimate
AdAvoid
Take advantage of the world's finest ad-blocking technology. Block all display ads, pop-ups, video commercials, etc. Don't let anybody setlists of "acceptable ads" on your behalf. Create your own whitelist of trustworthy websites. Keep your personal data safe from online trackers and activity analyzers. Helps you stay away from all phishing websites and domains are known to distribute malware Over the years, ads evolved so did AdBlocker Ultimate. We used our advanced ad-blocking technology as a core for our brand new Windows-based software application. AdBlocker Ultimate is a free web browser extension, which blocks all annoying ads with no exceptions. Unlike its rivals, it doesn't come with a predefined whitelist. We are proud to announce that now we bring AdBlocker Ultimate technology onto your Android mobile device.Starting Price: $2.49 per 3 devices per month -
16
AdAway
AdAway
AdAway is an open-source ad blocker for Android using the host's file. AdAway is fully open and licensed under GPLv3+. Easily add your own sources of hosts files! Add exceptions to your whitelist, blocklist and rules for redirects! AdAway will not work reliably when on Mobile Networks like 3G. You can deactivate that proxy by going to your selected APN and removing the value in the proxy field. Enable the local Webserver in AdAway’s preferences as a workaround. Add redirection lists to your host's sources to redirect blocked DNS requests to the correct IPs in China. This hosts source contains redirection rules for Google, Facebook, and other. For devices older than Android 8 Oreo, use version 4 of AdAway.Starting Price: Free -
17
Ad Remover
Ad Remover
Ad Remover is a premium ad blocker designed to block ads on your desktop, laptop and mobile devices. It blocks all types of internet ads, including banners, texts, pop-ups, and video ads. Instantly block ads and pop-ups across YouTube, Facebook and your favorite websites. Block tracking cookies used by companies to track your activity online and keep your privacy protected. We tested Ad Remover on the 1,800 most popular websites and on average websites loaded 44% faster and used 19% less data with it installed. Using Ad Remover is easy! Simply install the Ad Remover extension on your Chrome, Edge or Firefox browser or install the iOS or Android app on your mobile device to start blocking ads. Enjoy a more peaceful Internet with Ad Remover!Starting Price: $39.99 per year -
18
Ant Download Manager (AntDM)
AntGROUP
Ant Download Manager (AntDM) is a quick download manager for any Internet file, that fully integrates with all popular browsers. AntDM allows to download free streaming video and audio from numerous websites and supports P2P peer-to-peer protocol. AntDM supports downloading files from the most popular premium link generators. Ant Download Manager (AntDM) is a tool that allows you to repeatedly increase the speed of file downloads due to multiple download streams, resume, schedule downloads, and capture and download audio and video streams. Automatically processes download errors, recovers from temporary network errors, reconnects in case of server response delays and has the ability to resume interrupted downloads due to loss of connection, network problems, computer shutdown, or unexpected power outages. Has download queues, which allows you to accumulate download links at a convenient or scheduled time for the user.Starting Price: $11.95 one-time payment -
19
SpyHunter
EnigmaSoft
SpyHunter is an adaptive malware detection & removal tool that allows you to detect and remove the latest malware threats including spyware, trojans, rootkits, ransomware, keyloggers & other types of malicious software. SpyHunter's most advantageous features are its advanced remediation capabilities, its real-time system guards and its Spyware HelpDesk, which generates custom fixes to specific problems that may be unique to your PC. SpyHunter for Mac delivers powerful anti-malware tools to combat the increasingly prevalent & unique malware threats that infect Mac systems. SpyHunter for Mac offers optimization features to help users free up disk space and remove all traces of unnecessary apps. For persistent malware, our live technical support team is available to assist you. -
20
Guard My Web
Guard My Web Solutions
WebGuard, mobile protection from ads, dangerous web pages, surveillance, and viruses. Firewall, web anonymity, personal data encryption, faster internet to decrease data traffic in any browser. WebGuard is the best ad blocker that removes ads in games, apps, and browsers to protect your privacy. Block all ads. Increase anonymity by hiding the real IP address and the possibility to choose the country of origin of the new IP address (Currently available are Germany and France). Increase download speed and save money through traffic compression, ad blocking and other technologies. Data encryption when working on public WiFi networks (restaurants, conferences. etc.) Blocking malicious web pages. Protection against surveillance (banners, tracking, social networks) and concealment of personal information. 7 days free and full trial for users to test our app. The application monitors data traffic through its own VPN.Starting Price: Free -
21
BleachBit
BleachBit
When your computer is getting full, BleachBit quickly frees disk space. When your information is only your business, BleachBit guards your privacy. With BleachBit you can free cache, delete cookies, clear Internet history, shred temporary files, delete logs, and discard junk you didn't know was there. Designed for Linux and Windows systems, it wipes clean thousands of applications including Firefox, Adobe Flash, Google Chrome, Opera, and more. Beyond simply deleting files, BleachBit includes advanced features such as shredding files to prevent recovery, wiping free disk space to hide traces of files deleted by other applications, and vacuuming Firefox to make it faster. Better than free, BleachBit is open source. BleachBit has many useful features designed to help you easily clean your computer to free space and maintain privacy. No adware, spyware, malware, backdoors, browser toolbars, or "value-added software". -
22
Waterfox
Waterfox
The way to surf the web. Striking the perfect balance of privacy and useability. We try and take the bare minimum amount of information to keep things running smoothly. We don't need to know what you do within your browser. Waterfox supports the Chrome Web Store, the Opera Web store and the Firefox Store. The most extension support of any browser! Everyone likes to use their browser in a specific way. Waterfox was one of the first widely distributed 64-Bit browsers on the web and quickly gained a loyal following. At a time Waterfox had one thing in mind: speed, but now Waterfox also attempts to be an ethical, user-oriented browser. The browser is all about balance of privacy and useability. Too much focus on privacy and the web becomes too broken to use. Too little and data leakage happens. With Waterfox, you should find comfort in knowing that what you are doing inside your browser is only known by you. -
23
MacCleaner Pro
Nektony
Professional tools for Mac cleanup. Keep your Mac always fast, clean and organized. Speed up and clean up Mac in one button click. Easy junk files cleaner and speed optimizer for your Mac. MacCleaner Pro will help you complete any disk cleaning task easily and quickly. With MacCleaner Pro you get additional Pro tools for even a deeper Mac cleanup. Remove duplicate files, clear similar-looking photos, merge duplicate folders, and organize duplicate content. Analyze Mac disk space usage, find the largest files and folders, and remove old and unused files. Completely remove programs, get rid of apps’ leftovers, take control of startup programs and extensions, and change default apps. MacCleaner Pro, its PRO tools and helpers are notarized by Apple and proved, as being safe and free from malware. We regularly optimize MacCleaner Pro for the latest macOS updates. MacCleaner Pro always displays a confirmation window before cleaning up selected system files and users’ items.Starting Price: $46 one-time payment -
24
Shodan
Shodan
Shodan is the world's first search engine for Internet-connected devices. Discover how Internet intelligence can help you make better decisions. Websites are just one part of the Internet. Use Shodan to discover everything from power plants, mobile phones, refrigerators and Minecraft servers. Keep track of all your devices that are directly accessible from the Internet. Shodan provides a comprehensive view of all exposed services to help you stay secure. Learn more about who is using various products and how they're changing over time. Shodan gives you a data-driven view of the technology that powers the Internet. Within 5 minutes of using Shodan Monitor you will see what you currently have connected to the Internet within your network range and be setup with real-time notifications when something unexpected shows up. The entire Shodan platform (crawling, IP lookups, searching, data streaming) is available to developers.Starting Price: $59 per month -
25
Presearch
Presearch
Presearch is a decentralized search engine designed to offer more privacy and freedom to users while rewarding them with cryptocurrency for their searches. It operates on blockchain technology, ensuring that user data is not tracked or monetized by centralized corporations. Presearch's platform is community-driven, allowing users to suggest and vote on improvements, while its native token, PRE, is earned through search activity. By using Presearch, users can access web search results without sacrificing privacy, making it a unique alternative to traditional search engines.Starting Price: Free -
26
IObit Uninstaller
IObit
Malicious toolbars and plug-ins may record or steal your browsing data, as well as slow down. IObit Uninstaller 11 can remove browser plug-ins and toolbars to protect your privacy. And the enlarged database can identify more malicious plug-ins and toolbars on Chrome, Firefox, Edge and Internet Explorer. In addition, new browser notification block can help users turn off annoying pop-up notifications while browsing online, it can give you a smoother online environment. Is your Windows PC running slowly after installing piles of software? Have you ever installed a program with a bundle one? IObit Uninstaller 11 solves these problems for you. It is designed to remove any unwanted software and even bundled software in one click. Besides, the enlarged database can help users remove 5x stubborn software and 30% more residuals, which only takes half the time than before. That can better return users a cleaner and lighter PC.Starting Price: $14.77 per year -
27
Basilisk
Basilisk
A XUL-based web browser demonstrating the Unified XUL Platform (UXP). This browser is a close twin to pre-Servo Firefox in how it operates. Basilisk is a free and Open Source XUL-based web browser, featuring the well-known Firefox-style interface and operation. It is based on the Goanna layout and rendering engine (a fork of Gecko) and builds on the Unified XUL Platform (UXP), which in turn is a fork of the Mozilla code base without Servo or Rust. Basilisk is primarily a reference application for the development of the XUL platform it builds upon, and additionally a potential replacement for Firefox. Basilisk is development software. This means that it should be considered more or less "beta" at all times; it may have some bugs and is provided as-is, with potential defects. Like any other free software community project, it comes without any warranty or promise of fitness for any particular purpose.Starting Price: Free -
28
AdBlock
AdBlock
Block Chrome ads everywhere you browse! Block pop-ups, autoplay video ads, and ads on Facebook, YouTube, and your favorite sites in the Chrome browser. AdBlock is the most dependable ad blocker for Chrome. Install AdBlock today and enjoy faster browsing and a safer web. AdBlock for Chrome is an ad-blocking browser extension, which means it removes ads from Chrome and provides protection from third-party trackers. In fact, with over 60 million users, AdBlock is the most widely trusted ad blocking extension for Chrome available today. AdBlock is used by millions of folks across the globe to block Chrome ads, improve page load speed, and help protect their privacy. That's because AdBlock for Chrome is simple to use, completely customizable, and provides a dramatic improvement to your online experience.Starting Price: $1 per month -
29
Ghostery Tracker & Ad Blocker
Ghostery
Ghostery is a powerful privacy extension. Block ads, cookies, popups & other trackers. Ghostery counts more than 100+ million downloads worldwide. The browser extension upgrades your browser and supplies full adblock functionality, stops trackers from accessing your personal data, and annoying cookie consent pop-ups. Ghostery has three main components: * Ad-Blocking - blocks all ads on websites you visit including Youtube and Facebook, helping you to focus only on what's important to you. * Anti-Tracking - stops trackers’ ability to collect your personal data, replacing it with random values and anonymizing your identity for data brokers. * Never-Consent - automatically removes intrusive cookie popups and expresses dissent to online tracking. This unequaled feature adds convenience to each website visit and acts like your privacy advocate. Ghostery delivers the online privacy protection our users have come to know and love while minimising the need for customisation.Starting Price: 0 -
30
uBlock
uBlock
uBlock is the ideal ad blocker for stopping unwanted ads and speeding up your browsing experience. uBlock will block annoying ads, obnoxious video ads, and intrusive trackers. It also functions as a pop-up blocker and helps protect against some forms of malware. If you’re looking for an ad blocker to remove ads from your Internet experience and help improve your overall online security, then uBlock is the tool for you. uBlock is a fast but powerful tool to help you block annoying ads and speed up your browsing in Safari. uBlock starts blocking ads on millions of websites, including Facebook, YouTube, and Spotify, from the moment it’s installed. You can pause uBlock, allowing ads to appear temporarily when needed, or turn it off entirely on sites where you want to allow ads every time you visit. You can also make sure your filter lists are up-to-date if an ad slips past uBlock.Starting Price: Free