Best free VPN for Firefox in 2021

Ethan Payne
Ethan Payne | Writer
Last updated: July 14, 2021
Free VPN for Firefox

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Firefox is easily one of the safest web browsers available today, but browser security isn’t everything. As such, it’s integral for every Firefox user to equip themselves with a virtual private network (VPN) to keep their data safe.

Using a Firefox browser extension vastly reduces the hassle of navigating your VPN app, and reduces data consumption by leaving apps other than your browser out of the VPN tunnel.

We would ordinarily recommend paid VPN providers, but if you’re set on using a free VPN, then this is the list for you.

#PROVIDERCATEGORY SCORECATEGORY SCORE
1.
The best free VPN for Firefox
9.6
2.
Free VPN for Firefox with unlimited connections
9.5
3.
Free VPN with great security features
9.2
4.
Excellent free Firefox VPN for USA
8.7
5.
Easy to use free Firefox VPN
8.4
6.
Free Firefox VPN with no bandwidth limit
8.3

How we picked the best free VPN for Firefox

  • VPN security: will it keep your data private and secure?
  • Performance: are there bandwidth, speed, or session limits?
  • Entertainment: can it get around geo-restrictions?
  • Reliability against firewalls and censorship: does it work in regions where internet freedom is relatively limited?
  • Ease of use and customer support: is the software aimed at beginners or experts?

1. NordVPN

9.6
Top VPN provider
Number of countries covered
Number of countries covered:
59
Number of servers
Number of servers:
5500
Support
Support:
24/7 live chat, Email
  • Excellent security
  • Flawless privacy practices
  • Very fast speeds
  • Great server list (5500+ servers in 59 countries)
  • Custom apps for Windows, Mac, iOS, Android, and more
  • Great app design and website
  • Good knowledge-base and 24/7 live chat
  • Decent price
  • Awesome for Netflix
  • Not bad for torrenting
  • Great for China and other restricted countries
  • No router app

While not entirely free, NordVPN is the top VPN choice for Mozilla Firefox. With a 7-day free trial and a 30-day money-back guarantee, you can use NordVPN completely risk-free for over a month. After that, pricing starts at $3.30/month.

NordVPN is equipped with 5500 servers across 59 countries, giving you more than enough coverage worldwide. Plus, the proprietary NordLynx tunneling protocol makes this VPN one of the fastest VPN providers by a large margin.

Naturally, NordVPN is available on a wide range of devices, such as Windows, Mac, Linux, Android, and iOS. Unsurprisingly, it has a browser extension available for Firefox, as well as Google Chrome and Microsoft Edge. Furthermore, a single subscription allows you to connect up to six different devices simultaneously.

If you ever come across some trouble while using the VPN, NordVPN has an army of well-trained customer support agents that will assist you 24/7.

For a deeper investigation of NordVPN, read our NordVPN review.

2. Surfshark VPN

9.5
Top VPN provider
Number of countries covered
Number of countries covered:
65
Number of servers
Number of servers:
3200
Support
Support:
24/7 live chat, FAQ
  • Strong encryption
  • Excellent performance
  • Unlimited simultaneous connections
  • Almost zero logs
  • 24/7 live chat
  • Unlocks Netflix and other platforms
  • Great for torrenting
  • 30-day money-back guarantee
  • Supports plenty of platforms and devices
  • No-logs policy hasn't been audited

Another great Firefox VPN option is Surfshark. Although not exactly free, this VPN comes with a 7-day free trial and a 30-day money-back guarantee, giving you plenty of time to test the service out on your device. Once that’s over, subscriptions start at only $2.49/month.

Surfshark has over 3200 servers in 65 countries, allowing you to use the secure yourself effective in many parts of the world. Plus, the modern WireGuard tunneling protocol will ensure that your connections remain fast and secure.

Surfshark has a great selection of security and privacy features as well. For starters, Alert will notify you in real-time whenever your personal data gets leaked. Additionally, CleanWeb will keep your device free from ads and malware. Finally, online censorship will be a thing of the past once you enable Camouflage Mode.

If you’re still not convinced, Surfshark also had its browser extension independently audited for any flaws. It showed that the extension has robust security and no major problems. Finally, there’s also 24/7 customer support to assist you with any potential issues.

For a deeper investigation of Surfshark VPN, read our Surfshark VPN review.

3. Windscribe VPN

Number of countries covered
Number of countries covered:
60
Number of servers
Number of servers:
480
Support
Support:
Email, knowledgebase
  • Great security features, no-logs policy, unlimited devices
  • 10 GB/month bandwidth allowance, based in Canada (Five Eyes)

Windscribe is one of the best free VPN for Firefox. This service offers all the security and privacy features that its premium version has. On top of that, a strict no-logs policy means your data isn’t collected. This also makes its Five Eyes jurisdiction less of a problem.

Another great thing about Windscribe is the unlimited number of devices. This means you can share your account with family and friends without ever running out of user slots.

Speaking of things that you can run out of, we have to mention the 10 GB/month bandwidth limit. Since Windscribe allows torrenting and usually unblocks Netflix, this can become an issue real quick.

Windscribe for Firefox gives you 10+ countries to choose from. That’s considered pretty generous, given that most free VPNs offer no more than five. It also supports a number of other browsers, such as Chrome, Opera, and Edge.

For just $1.00/month, you can get the full Windscribe version with no bandwidth limits, 480+ servers in 60+ countries, and reliable Netflix unblocking in the US, the UK, Canada, and Japan.

For a deeper investigation of Windscribe VPN, read our Windscribe VPN review.

4. Hide Me VPN

Number of countries covered
Number of countries covered:
75
Number of servers
Number of servers:
1900
Support
Support:
Live chat
  • Great security features, decent speeds, barely any logs
  • 10 GB/month bandwidth limit, only 5 locations, one device

Hide.me VPN is a popular free service that’s also among the best ones for Firefox. Just like Windscribe, it has a 10 GB monthly limit but offers twice as few locations and one device only.

Despite the aforementioned cons, Hide.me is still one of the best free VPNs currently available. It has military-grade encryption, a kill switch, and no logs. Additionally, this service offers WireGuard protocol, which greatly boosts performance.

While Hide.me VPN doesn’t unblock Netflix, it works great for torrenting. You will also find such features as a SOCKS5 proxy and split tunneling. Let’s not forget that you won’t see any ads as well.

In addition to Firefox, this provider offers a browser extension for Chrome. The premium version starts from $3.00/month. Should you decide to upgrade, you’ll get all 1900+ servers in 75+ countries, unlimited bandwidth, 10 simultaneous connections, and streaming support.

For a deeper investigation of Hide Me VPN, read our Hide Me VPN review.

5. TunnelBear

Number of countries covered
Number of countries covered:
34
Number of servers
Number of servers:
1800
Support
Support:
Email
  • Military-grade encryption, kill switch, 25+ countries
  • 500 MB/month bandwidth cap, no P2P or Netflix, logs more than minimum

Compared to the providers above, TunnelBear has a strict data cap of 500MB/month, which means it’s only really good for browsing. One can only comfort himself by remembering that P2P and Netflix are unsupported anyway. However, you can increase the limit by tweeting praise about the service (more details on their website).

While the data limit is disappointing, TunnelBear is otherwise a good free VPN for Firefox. It offers core security features, such as AES-256-bit encryption, a kill switch, and obfuscation (GhostBear). Things don’t look that well from the privacy standpoint – TunnelBear is logging more than the minimum and is also located in Canada, a Five Eyes country.

Speaking of countries, this service offers probably the best location selection (25+ countries). Connecting to a server that’s closer to your location often means better speeds and lower latency.

Those new to VPN industry will love TunnelBear’s fun and easy-to-use apps. There are also browser add-ons for Chrome and Opera. The full version costs $3.33/month and adds unlimited bandwidth, 1800+ servers in 34+ counties, and five devices per account.

For a deeper investigation of TunnelBear, read our TunnelBear review.

6. ZenMate

Number of countries covered
Number of countries covered:
74
Number of servers
Number of servers:
3400
Support
Support:
FAQ knowledge base, support tickets
  • Unlimited bandwidth, kill switch, malware blocking
  • Privacy policy isn’t great, 2 MB/s speed limit, desktop-only

Security-conscious users will be thrilled to know that ZenMate uses the coveted, unbreakable AES-256-bit cipher and supports the OpenVPN and IKEv2 protocols. Other rarely found features among the free VPNs are malware and tracking protection.

Unfortunately, ZenMate is not a good choice if you care about privacy. It logs your IP address (though not your usage) and openly confesses that it will share it with the authorities if necessary.

However, it does seem to shoot itself in the foot with its poor connection speeds. That’s because ZenMate has a 2 MB/s speed cap. On the bright side, there’s no bandwidth limit, so you don’t have to worry about suddenly losing your online protection after a couple of days. But don’t expect to do any torrenting or streaming, which is available only to paid users.

The free version gives you 4 countries and one device per account. ZenMate also supports desktop-only Firefox. By spending $1.64/month, you will get 3400+ servers in 74+ countries, P2P, Netflix, and 24/7 customer support.

For a deeper investigation of ZenMate, read our ZenMate review.

Other uses for each VPN

Thankfully, you can use a VPN not only as a browser extension but on various other devices as well. Here are a few key areas where each VPN excels. 

Difference between VPN browser extensions and apps

VPN browser extensions are a bit different from the typical VPN applications that most people use on a daily basis. For starters:

  • Browser extensions usually have different features from the full application
  • It’s technically not a full-fledged VPN, but a proxy
  • It only secures the internet traffic coming from the browser

However, even though a browser extension isn’t as powerful as a dedicated VPN application, it still has its fair share of use cases.

How to install a free VPN for Firefox

When installing any kind of browser extension, it’s important to download the files from a reliable source. Browser extensions are notorious for hijacking personal data, browsing history, or installing malware. As such, choose your provider carefully and try to download the extension from official sources, for example, the VPN providers’ website.

Once you’ve picked a VPN, here’s how to fire up the VPN browser extension on Firefox:

  1. Choose a free VPN provider that supports Firefox. Our top choice is NordVPN, currently 72% off!
  2. Visit the Firefox add-ons page or the official website of your VPN service and download the extension for your browser
  3. Open the extension and log in with your credentials
  4. Connect to any server and enjoy secure browsing on Firefox!

Secure Firefox with a VPN

Free VPN alternatives

As you can see, the list of available free VPNs for Firefox is rather slim. That is why we need to add some honorary mentions. These VPNs are also free and offer great services, but are not yet available as extensions for Firefox. As such, they will be listed here in no particular order.

Atlas VPN

Atlas VPN is a great free VPN because of its lack of bandwidth limitation. The free version also comes with a kill switch feature, three server locations, and good connection speeds. A Google Chrome extension is coming soon, so we’re hoping that a Firefox extension is not that far behind.

ProtonVPN

Another great free option is ProtonVPN. Much like Atlas VPN, it does not have any data caps, has a kill-switch feature, three server locations, and adequate connection speeds. Unfortunately, browser extensions do not seem like a priority for the ProtonVPN team at the moment.

Hotspot Shield

Hotspot Shield is well-known for being one of the fastest free VPNs available thanks to its proprietary Hydra protocol. Sadly, the free version is limited to 500MB per day and an extension is available only for Chrome. Still, we’re hoping that an extension for Firefox is right around the corner.

Bottom line

Mozilla Firefox is an awesome privacy-respecting browser out of the box, but it can definitely be improved upon with some extras. For that, one of these VPNs will be a great addition. Just remember that companies can track you in a variety of ways, thus you’ll need more than just a VPN to anonymize yourself.


You may also like to read:
Best VPN for Firefox
Best free VPN for Chrome

FAQ

What is the best free VPN for Firefox?

The best free VPN for Firefox is Windscribe. Although it comes with a 10GB monthly limit, the Firefox extension comes with a great variety of features, including an ad blocker, user agent spoofing, cookie monitoring, and much more.

How do I add a VPN to Firefox?

You can add a VPN to Firefox through the add-ons menu. In Firefox, type in “about:addons” without the quotation marks into your address bar. You will see what extensions are currently installed and be able to search for new ones.

Does Firefox have a built in VPN?

Firefox does not have a built-in VPN. Instead, Mozilla has its own VPN that you can install on your device. However, that VPN is paid and does not have a browser extension.

Does Firefox have a free VPN?

Firefox does not have a free VPN. Mozilla VPN is a paid service that is available on Windows, MacOS, Linux, Android, and iOS. A paid VPN service ensures privacy without the need to sell your data.

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