TOP VPNs for Firefox 2025
Use the services only for the purposes authorized by the laws of the Russian Federation.
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| VPN | VPN Rating | Annual Cost | Cost per month | Connections | Reference |
|---|---|---|---|---|---|
| 3658 ₽ | 1400 ₽ | 98 | |||
| 5000 ₽ | 1080 ₽ | 94 | |||
| 3400 ₽ | 290 ₽ | 59 | |||
| 3500 ₽ | 1100 ₽ | 44 | |||
| 6600 ₽ | 830 ₽ | 98 | |||
| 0 ₽ | 0 ₽ | 54 | |||
| 2100 ₽ | 180 ₽ | 52 | |||
| 2200 ₽ | 180 ₽ | 56 | |||
| 3999 ₽ | 699 ₽ | 42 | |||
| 2300 ₽ | 1100 ₽ | 91 |
This article is for informational purposes only — it is not a call to circumvent restrictions or violate the laws of the Russian Federation or other states. The user independently decides whether to connect VPN services and is responsible for complying with local regulations (Art. 15.1 and 46.1 of Federal Law No. 149-FZ). 18+
In 2025, a reliable VPN for Firefox has become an essential tool: it helps maintain a stable encrypted connection, protect WebRTC requests, and work on public networks without the risk of data interception. We studied several dozen services, evaluated connection speed, server geography, ease of installation, and checked how the extensions behave in the browser's private mode. The result is an updated ranking that will help you choose the best VPN for Firefox for your tasks.
To make the choice clearer, we compared paid products and options with free plans, based on user reviews and the requirements of streaming platforms. Below is a description of how each service handles IP address masking, protection against WebRTC leaks, and quick installation. If you need a "turnkey VPN plugin," click the "Install in Firefox" button next to the service you like.
ExpressVPN
Average speed: ≈ 110 Mbps · Network: 3,000+ servers in 105 countries
- The proprietary Lightway protocol connects in a fraction of a second and maintains stable ping.
- The extension controls the desktop client: not only tab traffic is encrypted but also background services.
- Split Tunneling and an automatic Kill Switch.
Cost is above average; one account — up to 8 devices.
Install in Firefox*Partner Link. 18+*
Surfshark
Average speed: up to 950 Mbps · Network: 3,200+ servers in 100 countries
- Unlimited number of devices on one subscription — convenient for a family or team.
- CleanWeb 2.0 blocks ads and malicious domains directly in the browser.
- MultiHop routing enhances privacy.
Google CAPTCHA sometimes appears; P2P servers are not available in all locations.
Install in Firefox*Partner Link. 18+*
NordVPN
Average speed: up to 950 Mbps · Network: 5,400+ servers in 60+ countries
- The NordLynx protocol (a WireGuard fork) provides fast connectivity and low latency.
- Threat Protection Lite blocks malicious sites and tracking scripts.
- Meshnet is a secure direct connection between devices.
The extension interface may seem complicated for beginners.
Install in Firefox*Partner Link. 18+*
Proton VPN
Average speed: ≈ 405 Mbps · Network: 1,900+ servers in 69 countries
- Open source and independent audits.
- Secure Core: traffic first passes through centers in Switzerland or Iceland.
- A free plan with no ads and no traffic limits up to 100 Mbps.
The extension lacks split tunneling; premium locations are paid separately.
Install in Firefox*Partner Link. 18+*
Windscribe
Average speed: ≈ 785 Mbps (paid nodes) · Network: ≈ 900 servers in 69 countries
- Up to 15 GB free upon email confirmation.
- The R.O.B.E.R.T. filter blocks ads, miners, and phishing domains.
- Split tunneling for domains and applications.
Speed on free nodes fluctuates during peak hours.
Install in Firefox*Partner Link. 18+*
Browsec
Average speed: up to 100 Mbps · Network: 600+ servers in 43 countries
- No registration required — just install and enable.
- Premium plans are cheaper than most competitors.
No advanced protocols; free locations are congested in the evening.
Install in Firefox*Partner Link. 18+*
Hide.me
Average speed: ≈ 94 Mbps · Network: 1,900 servers in 49 countries
- 10 GB of free traffic every month.
- Choice of protocols: WireGuard, IKEv2, OpenVPN.
- Built-in DNS leak test and WebRTC switch.
The interface is rich with parameters — it will take time to master.
Install in Firefox*Partner Link. 18+*
FAQ
How to install a VPN extension in Firefox?
Open the add-on store, enter the service name, and click "Add." After installation, the icon will appear on the panel — click it to activate the VPN for Firefox.
How to set up WebRTC blocking?
In most reviews, the VPN extension for Firefox already includes a "Block WebRTC" switch. Enable it so the browser does not reveal your real IP via media streams.
Which protocol to choose in 2025: WireGuard, Lightway, or NordLynx?
WireGuard is universal and lightweight, Lightway from ExpressVPN provides instant connection, and NordLynx uses double NAT for extra privacy. Tests show that these protocols offer the best balance of speed and security when using aVPN for Mozilla Firefox".
Is there a completely free VPN for Firefox without restrictions?
There are almost no completely unlimited services. But Proton VPN and Windscribe offer reasonable free plans, allowing you to use a free VPN for Firefox without ads and hard limits.
How to make sure the extension really hides the IP?
Connect to a server, then open any WebRTC test and IP-lookup site. If a virtual address is displayed, your VPN plugin for Firefox is working correctly.
Conclusion
ExpressVPN and NordVPN are suitable for those who require maximum speed and a broad network. Surfshark attracts with its price and unlimited devices, while Windscribe stands out with its flexible data allowance. If you specifically need a free VPN for Firefox, start with Proton VPN or Hide.me. Enable modern protocols like WireGuard, Lightway, or NordLynx and block WebRTC leaks — this ensures connection protection without noticeable speed loss.
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