Mozilla VPN
Also called firefox vpn, firefox private network, mozilla vpn
A Mozilla-branded VPN powered by Mullvad. The window is Mozilla VPN.exe. It is not Firefox.
What you need to know
Mozilla VPN.exe is a Mullvad-powered client. It is not Firefox.
Mozilla VPN is Mozilla's paid VPN on Mullvad's network. Firefox is the browser. mullvad.exe is Mullvad's own account-number client. Tailscale is a mesh.
- What is it?
- Mozilla VPN powered by Mullvad. Not Firefox
- Same as mullvad.exe?
- No. Different account and exe
- Ships with Firefox?
- No. Separate download
What is Mozilla VPN?
Mozilla VPN is a Mozilla-branded client on Mullvad's network. Mozilla VPN.exe is the Windows process. Firefox is a different product.
If you have never used it
If you wanted Mozilla's VPN, this is Mozilla VPN, not Firefox. Download it from mozilla.org/products/vpn. Mozilla VPN.exe is the tunnel app. It is powered by Mullvad. firefox.exe is the browser. Mullvad.exe is Mullvad's own client with an account number. This is not Tailscale.
What is it used for?
You pay Mozilla and sign in with a Mozilla account. Mullvad's own app uses an account number instead.
The network is Mullvad. The exe and billing are Mozilla. That is the sibling-swap sentence.
Installing Firefox does not install this VPN. Multi-Account Containers are a browser feature, not Mozilla VPN.exe.
Who is it for?
- People who want a Mozilla bill on a Mullvad-powered VPN
- Users who opened Firefox looking for a Connect button
- Anyone comparing this to mullvad.exe
Current status
Actively sold where Mozilla offers it. This article is the Windows VPN app, not Firefox.
How old is it?
Mozilla shipped Firefox Private Network, then Mozilla VPN in 2020 on Mullvad's network. Current Windows builds are Mozilla VPN.exe. A 2019 extension-only FPN is not this app.
Versions
Major channels first. Exact build numbers are not all verified here.
System requirements
Values follow the publisher's public guidance. Workload still changes the real need.
Minimum
| Operating system | Windows 10 or Windows 11, per Mozilla VPN |
|---|---|
| RAM | Light client |
Resource profile
- CPU demand
- Tunnel encryption
- Network demand
- All traffic while connected
Installed processes
These executables belong to this product when it is installed.
| Mozilla VPN.exe | Mozilla VPN client. Not firefox.exe |
|---|
Startup components
Mozilla VPN.exe can connect at logon from its settings.
File locations
| Typical install | C:\Program Files\Mozilla VPN\ |
|---|
Common problems
Firefox installed, VPN missing
The browser does not include Mozilla VPN.exe. Download the VPN product page.
Mullvad number will not sign in
This app wants a Mozilla account. Use mullvad.exe if you paid Mullvad directly.
Getting unstuck
Install from mozilla.org/products/vpn
firefox.com is the browser. mullvad.net is the other client.
Sign in with the Mozilla account
A Mullvad account number belongs in mullvad.exe.
Disconnect other VPNs
Two tunnels fight over the default route.
Alternatives
Mullvad VPN if you want the account-number client. Firefox if you meant the browser. Tailscale if you wanted a mesh.
Official help and downloads
Start with the vendor. Random exe sites are not a support channel.
| Download | www.mozilla.org/products/vpn/ Official installer or vendor page |
|---|---|
| Help | support.mozilla.org/products/firefox-private-network-vpn Vendor support |
| Official site | www.mozilla.org/products/vpn/ Start here, not a random exe host |
Related hardware
The client is light. Encryption uses CPU while connected.
Technical details
Technical details
Vendor version numbers change. This article does not pin a build.
Sources and verification
Reviewed by Feex editorial. Last verified August 2026 Status: Feex Reviewed. How we research.
- Mozilla VPN official site · Vendor product page
- Mozilla VPN help · Vendor support
- Foxhole process map · First-party samples on Windows PCs. Not a lab benchmark.
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