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Best Mozilla Firefox Add-Ons For Safer Internet Browsing

Here’s a list of top Add-Ons available for Mozilla Firefox that make browsing the web safer and more private. These extensions will help to improve your browsing by blocking privacy threats and speeding up page load times.

Privacy Badger

Rating: ⭐⭐⭐⭐⭐

Privacy Badger automatically learns to block invisible trackers. Instead of keeping lists of what to block, Privacy Badger learns by watching which domains appear to be tracking you as you browse the Web.

Privacy Badger sends the Do Not Track signal with your browsing. If trackers ignore your wishes, your Badger will learn to block them. Privacy Badger starts blocking once it sees the same tracker on three different websites.

Besides automatic tracker blocking, Privacy Badger removes outgoing link click tracking on Facebookand Twitter, with more privacy protections on the way.

To learn more, see the FAQ on Privacy Badger’s homepage.

Privacy Badger is a project of the Electronic Frontier Foundation.

Search Encrypt

Rating: ⭐⭐⭐⭐⭐

Search Encrypt uses local encryption to keep your searches hidden, even if someone has access to your computer. With AES-256 encryption and SSL encryption, your searches are more private than the big search engines. We then privately retrieve your results from our network of search partners. Search Encrypt uses an expiring encryption key on your search terms to keep them private.

Search Encrypt gives users more confidence and privacy when searching the internet. Unlike search engines that track you, we don’t track search history in any user identifiable way. Searching the web shouldn’t require handing over tons of your personal data, which is why we’ve created our extension to keep you safe on the internet.

How Search Encrypt Keeps Your Searches Private:
1. No Tracking of Search History in Any User Identifiable Way
2. Expiring Browser History
3. SSL/HTTPS Encryption
4. Privacy by Design
5. Transparency

Contact us with any further questions you have at: — Private Search Engine

Rating: ⭐⭐⭐⭐⭐

Take back your online privacy by using StartPage as your search engine. StartPage offers high-quality search results without any trackers or ads that follow you. This privacy extension changes your current search engine to StartPage. — A Private Search Engine

Rating: ⭐⭐⭐⭐⭐

Search without being tracked.

Searx is a free internet metasearch engine which aggregates results from more than 70 search services. Users are neither tracked nor profiled.

Unlike some older searx addons, this one uses a secure, encrypted connection (HTTPS/SSL). In addition, searches are submitted via POST, preventing the queries from appearing in your browser history files.

This is an OpenSearch plugin.


Rating: ⭐⭐⭐⭐

Visualize and block the otherwise invisible websites that track your search and browsing history.

Disconnect was named the best privacy tool by the New York Times (2016), Innovation Award winner for Best Privacy and Security software at South by Southwest (2015), listed as one of the 100 best innovations of the year by Popular Science and one of the 20 best Chrome extensions by Lifehacker.

  • Load the pages you go to up to 44% faster and save up to 39% bandwidth.
  • Stop tracking by thousands of third-party sites.

Disconnect is open-source, pay-what-you-want software. You can get help on our site.

Note about using Disconnect with other filtering add-ons like Adblock Plus: Disconnect is compatible with other filtering add-ons, but if you want Disconnect to show blocking info, uninstall then reinstall any other filtering add-ons you have (i.e., Disconnect must be added first).

P.S. Green (or checked) means blocked!

Privatelee — Anonymous Search (Google + Bing + HTTPS)

Rating: ⭐⭐⭐⭐ combines the best results from Google and Bing

Key Features:

  1. Infinite scrolling for web and image results
  2. Peek into websites/images
  3. Enhanced privacy/private, no saving IP Address, no tracking, no unique cookies
  4. PowerSearch lets you get straight from your search bar to your search destination by adding a simple hint. (Find a movie on Netflix (avatar /nf), a video on YouTube (inception trailer /yt), your favorite show on Hulu (office /hu) or find a picture on image search (flowers /i), right from the search bar.)
  5. Share, scan for safety, shorten results (left menu)

DuckDuckGo Privacy Essentials

Rating: ⭐⭐⭐⭐

Privacy, simplified.

At DuckDuckGo, we believe the Internet shouldn’t feel so creepy, and getting the privacy you deserve online should be as simple as closing the blinds.

Our add-on provides the privacy essentials you need to seamlessly take control of your personal information, no matter where the Internet takes you:

  • Escape Advertising Tracker Networks — Our Privacy Protection will block all the hidden trackers we can find, exposing the major advertising networks tracking you over time, so that you can track who’s trying to track you.
  • Increase Encryption Protection — We force sites to use an encrypted connection where available, protecting your data from prying eyes, like ISPs.
  • Search Privately — You share your most personal information with your search engine, like your financial, medical, and political questions. What you search for is your own business, which is why DuckDuckGo search doesn’t track you. Ever.
  • Decode Privacy Policies — We’ve partnered with Terms of Service Didn’t Read to include their scores and labels of website terms of service and privacy policies, where available.

Our add-on also adds a toolbar icon that shows you a Privacy Grade rating when you visit a website (A-F). This rating lets you see how protected you are at a glance, dig into the details to see who we caught trying to track you, and learn how we enhanced the underlying site’s privacy measures. The Privacy Grade is scored automatically based on the prevalence of hidden tracker networks, encryption availability, and website privacy practices.

Too many people believe you simply can’t expect privacy on the Internet. We’re fighting to change that, and have made it our mission to set a new standard of trust online. Install DuckDuckGo and take back your privacy!

This add-on is open source at

Anonymous Search Engine:

Rating: ⭐⭐⭐⭐


+ Autocomplete
+ Image search section
+ Youth proctection filters
…and many tweaks and fixes!


There is trouble coming up. Currently a US search engine controls and dominates information in the world. They tell us what’s relevant and what we better shouldn’t care about. Did you ever ask yourself how such search engines can tell what information is worth to be seen by your eyes?

- They filter and remove information.
- They priorize information.
- They say it’s for the sake of relevancy and quality.

What they don’t say is that you are missing a lot! You just don’t know nothing about the topics they filter out…

Unbubble is a fair meta search. We take all the sources we can get, rank and sort them by neutrality similar to democratic elections. We don’t filter silently. We don’t track. We don’t care about your thoughts, because that’s your job. All we do is putting together the whole picture for you. So you decide what to consider or not.

Use Unbubble directly from your browser to find the really best websites, news, information or products. It’s that easy! We even provide autocomplete and an image search.

Facebook Container by Mozilla

What does it do?
Facebook Container works by isolating your Facebook identity into a separate container that makes it harder for Facebook to track your visits to other websites with third-party cookies.

How does it work?
Installing this extension deletes your Facebook cookies and logs you out of Facebook.
The next time you navigate to Facebook it will load in a new blue colored browser tab (the “Container”).
You can log in and use Facebook normally when in the Facebook Container. If you click on a non-Facebook link or navigate to a non-Facebook website in the URL bar, these pages will load outside of the container.
Clicking Facebook Share buttons on other browser tabs will load them within the Facebook Container. You should know that using these buttons passes information to Facebook about the website that you shared from.

Which website features will not function?
Because you will be logged into Facebook only in the Container, embedded Facebook comments and Like buttons in tabs outside the Facebook Container will not work. This prevents Facebook from associating information about your activity on websites outside of Facebook to your Facebook identity.

In addition, websites that allow you to create an account or log in using your Facebook credentials will generally not work properly. Because this extension is designed to separate Facebook use from use of other websites, this behavior is expected.

What does Facebook Container NOT protect against?
It is important to know that this extension doesn’t prevent Facebook from mishandling the data that it already has, or permitted others to obtain, about you. Facebook still will have access to everything that you do while you are on, including your Facebook comments, photo uploads, likes, any data you share with Facebook connected apps, etc.

Rather than stop using a service you find valuable, we think you should have tools to limit what data others can obtain. This extension focuses on limiting Facebook tracking, but other ad networks may try to correlate your Facebook activities with your regular browsing. In addition to this extension, you can change your Facebook settings, use Private Browsing, enable Tracking Protection, block third-party cookies, and/or use Firefox Multi-Account Containers extension to further limit tracking.

What data does Mozilla receive from this extension?
Mozilla does not collect data from your use of the Facebook Container extension. We do receive the number of times the extension is installed or removed. Learn more

Other Containers
Facebook Container leverages the Containers feature that is already built in to Firefox. When you enable Facebook Container, you may also see Containers named Personal, Work, Shopping, and Banking while you browse. If you wish to use multiple Containers, you’ll have the best user experience if you install the Firefox Multi-Account Containers extension. Learn more about Containers on our support site.

Known Issues
When Facebook is open and you navigate to another website using the same tab (by entering an address, doing a search, or clicking a bookmark), the new website will be loaded outside of the Container and you will not be able to navigate back to Facebook using the back button in the browser.

What version of Firefox do I need for this?
This extension works with Firefox 57 and higher on Desktop. Note that it does not work on other browsers and it does not work on Firefox for mobile.

If you believe you are using Firefox 57+, but the install page is telling you that you are not on a supported browser, you can try installing by selecting or copying and pasting this link. (This may be occurring because you have set a preference or installed an extension that causes your browser to obscure its user agent for privacy or other reasons.)

How does this compare to the Firefox Multi-Account Containers extension?
Facebook Container specifically isolates Facebook and works automatically. Firefox Multi-Account Containers is a more general extension that allows you to create containers and determine which sites open in each container.

You can use Multi-Account Containers to create a container for Facebook and assign to it. Multi-Account Containers will then make sure to only open in the Facebook Container. However, unlike Facebook Container, Multi-Account Containers doesn’t prevent you from opening non-Facebook sites in your Facebook Container. So users of Multi-Account Containers need to take a bit extra care to make sure they leave the Facebook Container when navigating to other sites. In addition, Facebook Container assigns some Facebook-owned sites like Instagram and Messenger to the Facebook Container. With Multi-Account Containers, you will have to assign these in addition to

Facebook Container also deletes Facebook cookies from your other containers on install and when you restart the browser, to clean up any potential Facebook trackers. Multi-Account Containers does not do that for you.


Rating: ⭐⭐⭐⭐

With Cliqz you’ll experience an entirely new web: direct, fast and smart

Direct: In most cases, you already have a good idea of where you want to go, where you can do something specific or where you can get the information you need. Searches like these with a view to navigating make up the lion’s share of web searches. And you can now carry out these searches from within your browser. This is where Cliqz differs fundamentally from conventional search engines like Google, Bing, and Yahoo first take you to their own pages. Once there, you have to scan through a long list of search results and ads to find the most appropriate hit. With Cliqz, you can search without this detour.

Fast: Simply click on a recommendation from the short selection in the drop-down menu and you’ll be taken straight to the relevant website. For popular websites, there are smart Cliqz abbreviations. Instead of visiting the relevant homepage and then working your way step by step to your actual destination, you can go straight to the right place.

Smart: With smart Cliqz for direct replies, you can find what you’re looking for even more quickly and easily. They provide you with a wide range of information within your browser — from flight status to weather. And with the smart Cliqz for news sites, you’re always up to date.

Should you need more or different search results, you can easily redirect your query to other search engines.

How it works
While you’re typing search terms or web addresses, a clearly structured selection of website recommendations is shown in the Cliqz drop-down menu below the entry field. The recommendations are based either on our own search technology or on your Firefox history or bookmarks. As a result, you can find what you want quickly and discover new sites, but also have convenient access to your favorites.

Simply click on a recommendation and you’re taken straight to the relevant website. If you’d like to open the website in a new tab, click on the logo to the right of the recommendation. Not the right website after all? Clicking on the grey button at the left of the browser bar takes you back to the recommendations so that you can try out the next one. Still not found the right one? Place the cursor in the entry field and press the “Enter” key. Your search entry will then be forwarded automatically to your standard search engine set in Firefox.


Cliqz Tab Page
Cliqz offers its own page that you will see on opening a new window or a new tab. This new tab page includes speed dials for your most visited websites (excluding websites from private sessions, of course) and favorite sites. You can manually add and remove speed dials. The Cliqz new tab page keeps you up-to-date by showing you a mix of headlines from popular news sources and news sources you visit often.
The Cliqz Tab page is switched on by default. Prefer your “old” Firefox page? You can turn Cliqz Tab off at any time via the Cliqz Control Center (see the “Q” symbol in the browser bar or your settings menu).


It is common for websites to include tracking services that record all user activity. Multiple tracking companies watch user’s every step, even what they do on individual websites. It’s close to impossible to know how and where your personal information gets distributed.
The Cliqz Anti-Tracking feature overwrites all tracking data that could be used to identify you as an individual user. Cliqz protects you efficiently from being tracked.

Data protection
Cliqz respects your privacy. We don’t store any kind of personal information. Cliqz for Firefox and our backend-infrastructure have been awarded the “Certified Data Protection” seal by the safety standards authority for Saarland (TÜV). No information is stored on the identity and behavior of individual web users. By preference, our browser add-on shows you the encrypted version of websites (HTTPS) in its search results. You can read more in the privacy statement (button above).

The softwarecode of the Cliqz browser and browser extension is
Open Source .

Human Web
Cliqz uses the wisdom of the crowd — users provide statistical data and thus build Cliqz’s web index. We call this technology “Human Web”. From users who participate in the Human Web, Cliqz stores on its servers anonymous data about website visits. Separately, Cliqz stores anonymous data about web searches and inputs into the browser bar. Human Web data is exclusively used to detect websites and assess their relevance and security. Participating in the Human Web is optional. Learn more about the Human Web and how to opt-in or out in the privacy statement .

Cliqz is there for you
If you have any questions, comments or suggestions for improvement, our “helping hand” is there to assist you personally — via web form, e-mail or phone. We also look forward to hearing from you via Facebook or Twitter.

About Cliqz
We are a Munich start-up company whose mission is to strengthen the position of Internet users and to put them in control. Our team of over 100 internet enthusiasts dedicates its efforts to making the web a little bit better for you every day. We believe in an open Internet, the right of privacy and open source. Cliqz GmbH is owned by Mozilla and Hubert Burda Media, a European media company. Cliqz operates independently from other Burda businesses, does not share any data with them and handles Burda-owned websites just as any other websites (e.g. in search ranking and anti-tracking).

Give Cliqz a try
Cliqz was originally designed for German users. We work hard on supporting more countries/languages. Our US-English search already produces good results, although not yet on the same quality level that we already reached in German. It’s definely worth a try! Just see it as a beta-version of a US search engine. As Cliqz search is desiged to learn fast, you’ll quickly see improvements. If Cliqz doesn’t show a suitable website recommendation, you can continue your search using your standard search engine with just a click.
You’ll soon get used to the new way of navigating the web using quick search. If you’d rather return to the conventional system for searching the web, you can easily uninstall Cliqz and remove it completely. Simply make the relevant setting under “Add-Ons” in the Firefox menu (at the very top right of the browser).

Conclusion: Browse Safer And Take Control of Where Your Information Goes

Mozilla Firefox is better than many other browsers for privacy. However, combining it with some of these browser extensions can make your internet experience better.



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