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Best VPN extensions for Firefox in 2021

Best VPN browser extensions for Firefox

If you’re concerned about privacy, Firefox is a good choice. However, you can make it even safer by using a VPN. After all, a VPN will hide your online activities and encrypt your data. And you can use it to unblock geo-restricted content from anywhere in the world!

Lots of VPN services have add-ons designed for Firefox, but they’re not all the same. In this article, we’ll talk you through our pick of the best VPN extensions for Firefox and explain how to install one on your device. So read on for all you need to know!

Best VPN add-ons for Firefox:

  1. NordVPN – Best VPN add-on for Firefox
  2. Surfshark – Unlimited VPN connections
  3. Windscribe – Cheapest VPN extension for Firefox
  4. Private Internet Access – Largest VPN server network
  5. ExpressVPN – Fast Firefox VPN

How to add a VPN to Firefox – a quick guide:

  1. Choose a VPN provider. We recommend NordVPN with its great Firefox extension.
  2. Find the download page.
  3. Select the Firefox extension or the desktop app that suits your operating system.
  4. Install the app or extension onto your device.
  5. Log in, connect, and off you go!

Best VPN extensions for Firefox – our detailed list:

We’ve tested lots of VPN extensions for Firefox and have curated a list of our five favorites. Here they are:

1. NordVPN – Best VPN add-on for Firefox

NordVPN banner
Based in:Panama
Dedicated Firefox extension:Yes
Servers/countries:5,542 servers in 59 countries
Unblocks Netflix:Yes

If you’re looking for a secure VPN with a great Firefox extension, NordVPN is probably the best one you can get. Crucially, its Firefox extension can be used alone, so you don’t have to load up the app to get it to work. This means that it’s lightweight and easy to use, making it a quick and simple alternative to using a full VPN service.

Even better, NordVPN’s Firefox extension will encrypt traffic and prevent IP leaks. And you can set it up so that it will connect as soon as you open the Firefox browser. Therefore, you don’t have to remember to connect every time you go online.

Elsewhere, NordVPN has some of the fastest and most reliable connection speeds we’ve ever tested, with an average speed of 249Mbps. It’s worth noting, though, that its fast speeds are predominantly due to its NordLynx protocol, which is only available on its desktop and mobile apps. However, the Firefox extension still provides awesome speeds, and it’s great at blocking malware and ads.

NordVPN has more than 5,500 servers in 59 countries, and it can unblock geo-restrictions on every streaming service we’ve tested it on. It boasts an extensive range of excellent security features, and it supports custom DNS, router connections, and split tunneling. You also get up to 6 simultaneous connections.

Pricing plans for NordVPN start at just $3.30 a month with a 30-day money-back guarantee.

Visit NordVPN to learn more about the features

Pros

  • Firefox extension can be used without opening the app
  • Plenty of security features
  • Fast and reliable speeds
  • Great for unblocking region-restricted content
  • Extension can be set up to open automatically
  • Lots of servers from around the world
  • Good value for money

Cons

  • NordLynx isn’t included on Firefox extension
  • Can’t use the extension to select a specific server

2. Surfshark – Unlimited VPN connections

Surfshark VPN banner
Based in:British Virgin Islands
Dedicated Firefox extension:Yes
Servers/countries:3,200 servers in 65 countries
Unblocks Netflix:Yes

Surfshark is an excellent choice if you’re looking for great value for money because it includes many of the features that NordVPN has, but it’s a bit cheaper. Better still, it has a useful extension available for Firefox and Chrome.

This extension looks pretty much identical to the desktop app. So you can use it to connect to servers in the same way as you would on the full app. It has been independently audited for security, so you can rest assured that Surfshark will keep all your online activity private, whether you use the app or the add-on.

Surfshark has an impressive suite of security features, including CleanWeb, which blocks ads, trackers, and malware. Its WireGuard protocol delivers fast speeds with an average of 263Mbps. So it certainly won’t slow you down while you’re surfing or streaming. It has over 3,200 servers in 65 countries, and it can unblock pretty much any streaming platform. So you can use it to access geo-restricted content from anywhere.

One of our favorite things about Surfshark is that it comes with unlimited simultaneous connections, so it’s ideal if you’re looking for a VPN for the whole family.

And best of all, Surfshark is great value for money, with prices starting at just $2.49 a month. It also comes with a 30-day money-back guarantee, so you can try it out before committing.

Visit Surfshark to learn more about the features

Pros

  • Fantastic value for money
  • Unlimited simultaneous connections
  • Firefox extension looks the same as the app
  • The extension is independently audited
  • CleanWeb is great at blocking ads and malware
  • Really fast speeds

Cons

  • No kill switch included in the browser extension

3. Windscribe – Cheapest VPN extension for Firefox

Windscribe banner
Based in:Canada
Dedicated Firefox extension:Yes
Servers/countries:480 servers in 63 countries
Unblocks Netflix:Yes

If you’re looking for a really cheap VPN with a Firefox extension, Windscribe could be exactly what you’re looking for. The browser extension has some really useful features, including the ability to block trackers, malware, ads, and cookies. It also has notifications and timezone spoofing. And it can exclude websites from the proxy connection. However, there is no encryption on the Firefox extension.

Aside from this, Windscribe has over 480 servers in 63 countries. It’s good for streaming because it can unblock geo-restricted content from anywhere. On the flip side, it’s not as fast as a lot of its competitors, with an average connection speed of 84mbps.

Windscribe is based in Canada, which is part of the 5 Eyes – a surveillance agreement between participating countries that share intelligence with one another. This, among other things, makes Canada a not very privacy-friendly country. With that said, they do operate under a strict no-logs policy, making their business location a bit less of an issue.

What’s great is this service comes with unlimited simultaneous connections. And prices for a single server start at just $1 a month. So, it’s definitely one of the cheapest options around.

Visit Windscribe to learn more about the features

Pros

  • Very cheap
  • Useful features on the Firefox extension
  • Option for unlimited simultaneous connections
  • Good at unblocking content
  • Malware and ad blockers work well

Cons

  • No encryption on the Firefox extension
  • Not based in a privacy-friendly country
  • Slower speeds

4. Private Internet Access – Largest VPN server network

Private Internet Access banner
Based in:United States
Dedicated Firefox extension:Yes
Servers/countries:35,500+ servers in 77 countries
Unblocks Netflix:Yes

PIA (Private Internet Access) has the largest VPN network in the world. And it’s a great choice for Firefox users because it boasts a highly customizable browser extension. You can configure it in such a way that it will automatically reconnect to specific servers when you access certain websites.

Even better, you can use the add-on to exclude some websites from the proxy connection. And it has a selection of other features, including the ability to block access to your webcam and mic, and the option to disable autofill, network prediction, and Facebook trackers. Although, you can only use the extension to connect to some of PIA’s large selection of servers. You don’t get access to all of them.

Still, if you’re looking for a VPN with a lot of servers, this could be the ideal solution for you. PIA has more than 35,000 servers in 77 countries. However, it can be a bit hit and miss when it comes to unblocking geo-restricted content. And it’s certainly not the fastest VPN, with its average speed coming in at 140mbps.

PIA is based in the US, which is part of 5 Eyes. However, the provider has proven several times that they don’t collect data on users, which is great. One subscription gets you 10 simultaneous connections, so the whole family can connect at the same time.

Prices for PIA start at $2.85 a month.

Visit PIA to learn more about the features

Pros

  • Biggest VPN network in the world
  • Lots of customizable features on the Firefox extension
  • Decent malware blocking
  • Loads of servers to choose from
  • Choice of servers for specific websites

Cons

  • Based in the US, which is not privacy-friendly
  • Not great at unblocking international content
  • Speeds can be a bit sluggish

5. ExpressVPN – Fast Firefox VPN

ExpressVPN banner
Based in:British Virgin Islands
Dedicated Firefox extension:Yes
Servers/countries:3,000 servers in 94 countries
Unblocks Netflix:Yes

ExpressVPN is another excellent choice, as it offers a dedicated browser extension for Firefox, Safari, and Chrome. However, while most VPN add-ons work separately from the desktop app, ExpressVPN’s extension in more of a remote control unit for your VPN app. This means that you need to install both the desktop app and the Firefox extension to get this to work.

The good news is, this means the add-on has better encryption, access to more servers and features, and it’s easy to use. But on the downside, it doesn’t have the advantages you would normally see with a regular VPN extension. It’s not really a lightweight option.

Still, whatever your needs from a VPN, ExpressVPN will deliver the lot. It has over 3,000 servers in 94 countries. And it can unblock geo-restricted content on pretty much any streaming service. Better still, it delivers very fast speeds, averaging at 226Mbps.

ExpressVPN offers up to 5 simultaneous encryptions, and it supports SmartDNS, obfuscated servers, and split tunneling. You’ll find it has a very intuitive app, so it’s really easy to use. And there’s access to lots of handy guides to help you set it up on your router.

For all this though, it is quite expensive. Prices start at $8.32 a month. But it comes with a 30-day money-back guarantee, so you can try it out.

Visit ExpressVPN to learn more about the features

Pros

  • Extension has access to lots of features and servers
  • Excellent encryption
  • Fast speeds
  • Can unblock pretty much any streaming content
  • Supports split tunneling

Cons

  • Quite expensive
  • Extension isn’t lightweight

How we tested and selected these VPNs

When choosing VPNs for our list, we looked at the following criteria:

  • Whether it has a Firefox add-on with good features: Of course, the most important thing for this list is to make sure that the VPN has a dedicated Firefox extension with a range of good features to make it secure, fast, and easy to use. So we chose VPNs that each had a Firefox extension that would deliver all of this and more.
  • Speed: Delivering fast and reliable speeds is crucial for any VPN, particularly if you want to use it to stream content. After all, there are few things more annoying than dealing with buffering while you binge-watch. So we tested the speeds of the VPNs and highlighted the results in our list.
  • Whether it’s good for streaming: One of the main benefits of a VPN is that you can use it to bypass geo-restrictions on streaming services in other countries. So we made sure our list included VPNs that can successfully bypass region restrictions.
  • Customer support: In case anything goes wrong, it’s important to be able to get help. So we chose VPNs that offer some form of customer support to make sure you’re covered.
  • Price: When you sign up for anything, it’s vital to make sure the price is right. So we chose a range of competitively priced options to suit every budget.
  • Security and privacy: One of the main reasons to use a VPN is to improve your online security and privacy. The VPNs on our list each come with a range of features to keep your information safe and secure while you’re online.

Do I really need a VPN on my Firefox browser?

Using a VPN extension on your Firefox browser is a very good idea. After all, a good one should deliver a lot of the same benefits included in a VPN desktop app, so it will improve your online security. Although it’s only a browser extension, it should still hide your IP address, and it will stop your online activity from being tracked by your ISP or other third parties. It can also allow you to unblock geo-restricted content on streaming platforms.

Some will even connect automatically, so you don’t need to remember to connect to a VPN every time you go online. And because it’s an add-on, it will likely be a more lightweight option that will consume fewer resources than the desktop app. It should also be easier to use than the app version, with fewer confusing options and features. So it can be a good choice for beginners.

Having said that, if you want to use a VPN for more than just browsing the internet, you might be better off using the desktop app. This will give you access to a lot more features. And it will deliver much more robust privacy measures. So, if protecting your online identity is a big concern of yours, we would recommend sticking with the desktop app instead.

Is it safe to use a VPN add-on on Firefox?

Yes, so long as you’re using a reputable VPN, such as NordVPN, it’s perfectly safe to use a VPN browser extension on Firefox. A decent VPN add-on will give you some protection by keeping your online identity private, including your IP address. It will also stop hackers and other third parties from being able to track your online activity, including what websites you’re visiting and what you do while you’re on them.

Having said that, VPN browser extensions don’t have as many security features as VPN desktop apps. After all, it’s worth noting that a good VPN extension will only protect your online traffic while you’re using your browser. Some VPN browser extensions won’t encrypt your connection at all. So it’s worth bearing that in mind before you set up your add-on.

On the other hand, a VPN desktop app will protect all your internet traffic from your PC. So, provided you’ve chosen a reliable VPN, your online information will remain completely safe from prying eyes.

But it’s important to be aware that not all VPNs are as safe as they seem. In fact, some free VPN apps can actually make your data less secure.

Can I use a free VPN for Firefox?

While it’s technically possible to use a free VPN with a Firefox extension, it’s certainly not something we’d recommend.

Free VPNs usually make money by tracking customers’ online activities and selling the information to third parties. And as if this wasn’t enough to put you off, free VPNs offer much slower speeds. And they often can’t unblock region restrictions on international streaming services.

If you really want to use a free VPN, you’d probably be better off using a freemium. This is a free version of a paid VPN that will usually have much more limited functionality than the paid-for option. They can’t unblock geo-restricted content, and they don’t offer as many security features. Freemiums also tend to come with data caps, so they’re not suitable for anything more than light web browsing.

If you do want to give it a go, however, we’d recommend trying Windscribe’s freemium option. It comes with access to a reasonable number of features, and it has a fairly high data cap of 10GB a month.

Alternatively, most paid-for VPNs offer a free 30-day money-back guarantee. So if you only want to use a VPN in the short term, you could try it out for a month and then claim your money back.

Conclusion

Lots of VPN services have really useful browser extensions for Firefox. They tend to be a lot more lightweight than traditional VPN desktop apps, so they come with plenty of advantages. It uses up fewer resources and offers faster connections, and it can use a different browser for regular, direct connections.

After thorough testing we can say the tools on this list will be great inside and outside of Firefox!

FAQs

What is the best VPN for Firefox?

NordVPN has the best Firefox extension we have tested. Its add-on will encrypt your traffic and prevent IP leaks. It can also connect automatically whenever you open up your Firefox browser.

How do I add a VPN to Firefox?

Visit your VPN website’s download page. There should be an option to download a Firefox extension. All you need to do then is download and install the software, and the extension should appear in your browser.

What is the best free VPN add-on for Firefox?

We don’t recommend using a free VPN. However, if you do want to try a free option, we’d recommend using Windscribe’s freemium service, which has a data cap of 10GB a month.

Does Firefox have a built-in VPN?

Firefox has built-in settings that will allow you to configure manual proxy connections. It does also have its own VPN service, although that’s not built into the browser itself.

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