Firefox Extension

Private browsing,
built forFirefoxhabits

Firefox users tend to already care about tracking protection and container tabs — the APEX VPN extension fits that same mindset. It encrypts your browser traffic and swaps your visible location with one click, sitting quietly next to the privacy tools you've probably already got configured. Nothing else on your device changes; it's scoped to the browser, on purpose.

  • Works alongside Firefox's built-in tracking protection
  • One-click connect from the toolbar, no separate window
  • Counts as one of your 10 simultaneous connections
Get the Firefox extension Free to install · Full servers on Plus or Ultra

A Firefox VPN extension is a lightweight add-on that routes your browser's traffic through an encrypted server, hiding your IP address from the sites you visit and yourinternet service providerfrom seeing which pages you open. Unlike a full VPN app, it only affects Firefox — so a work laptop's other software, a game running in the background, or a second browser stay on their normal connection. That makes it a practical choice for anyone who wantsVPN-level privacy for research, banking, or streaming inside one tab, without changing how the rest of their device connects to the internet.

Fast, reliable connect

One click, minimal wait— routing only browser traffic keeps connect times short compared to a full system-wide app.

Plays well with containers

No conflicts with tab isolation— the extension routes at the browser level, so it works alongside container tabs rather than against them.

Genuinely easy to use

No settings maze— install from addons.mozilla.org, log in, and connect from a single toolbar icon.

Audited encryption

Verified, not just claimed— the sameVPN protocolstandards covered by our publicsecurity auditapply here.

Strict no-logs policy

Consistent with our other apps— the extension follows the sameno-logs policyacross every platform.

Streaming in a tab

Watch without switching apps— connect to astreaming serverand openNetflixdirectly in Firefox.

10 connections total

Shared across devices— the extension counts as one of the 10 connections on a single plan.

High-speed servers

No noticeable dragon everyday browsing, powered by the sameGlobal Networkas our full apps.

1-clickconnect from the toolbar
Container-safeworks alongside tab isolation
10connections shared across devices
30-dayMoney-back guarantee
How it works

Set up and connect in three steps

Same account across every APEX VPN app, including this one.

Step 01

Create an account

Sign up free, or choose Plus/Ultra for the full server list and streaming access.

Compare plans →
Step 02

Add the extension and log in

Install APEX VPN from addons.mozilla.org and sign in with your existing account.

Step 03

Connect To A Server

Use Quick Connect for the fastest option, or pick a country manually.

Extension vs. full app

Which one fits what you're doing?

CapabilityFirefox ExtensionDesktop / mobile app
Protects browser tabsYesYes
Protects the whole deviceNoYes
Connects instantly from the toolbarYesRequires opening the app
Device-wide kill switchNoYes
Best for quick, single-tab tasksYesMore than needed
Best for travel or public Wi-FiPartialYes
Who reaches for it

Three common ways people use it

The privacy-first browser

Layered protection

Firefox's tracking protection handles trackers; the extension handles your visible IP address and location. Together they cover more of the picture than either alone.

The multi-profile user

Separate personas, separate regions

Firefox's multi-account containers already separate work and personal browsing — pairing that with the extension lets one container browse from a different country than another.

The occasional streamer

A show, not a subscription

Connecting for one episode from astreaming serverdoesn't require opening a separate app — the extension handles it in the same window.

Every device

Download APEX VPN for any platform

Pair the extension with the full app for complete device coverage.

Get APEX VPN
Under the hood

What the extension actually protects

The extension encrypts traffic between Firefox and an APEX VPN server, hiding your browsing IP address from the sites you visit and from anyone monitoring your local network. Other applications on the same device — a torrent client, a separate browser, a game — are unaffected, which is intentional scoping rather than a limitation for most day-to-day use.

Common friction points

Getting the most out of the extension

1

Pin it to the toolbar

An unpinned extension is easy to forget is even running — pin it so connection status stays visible.

2

Reconnect after restarting Firefox

The VPN session doesn't persist through a full browser restart; a quick re-click after relaunching fixes it.

3

Check container tab behavior

If you use multi-account containers, confirm which container the extension is affecting before assuming a page is or isn't protected.

4

Remember it's browser-only

Other apps on your device won't be covered — use the desktop app when you need system-wide protection.

From everyday users

Why Firefox users keep it installed

"I already run Firefox with strict tracking protection, and this extension slotted right into that setup without any weird conflicts."

Ingrid V.
Privacy-focused Firefox user

"Uses containers for work and personal, and the extension only touches the tab I want it to. That was the whole reason I picked it over alternatives."

Rashid M.
Contract developer

"Simple, does what it says, doesn't nag me to upgrade every time I open the browser."

Cléa D.
Graduate student

Try APEX VPN Plus risk-free

The extension is free to install, and a Plus or Ultra plan unlocks the full server list. Not satisfied? Request a refund within 30 days.

Get APEX VPN

Add APEX VPN to Firefox today

Free to install. Full servers on a Plus or Ultra plan, backed by a 30-day money-back guarantee.

Get APEX VPN
How it works

Set up the extension in three steps

From install to your first encrypted page load, in under two minutes.

Step 01

Create an account

Sign up for a free APEX VPN account, or choose a paid plan for streaming-ready servers and higher device limits. Either account works with the Firefox extension right away.

See plans →
Step 02

Add the extension and sign in

Search for APEX VPN on Firefox Add-ons and click Add to Firefox. Once it's installed, open the extension icon in your toolbar and log in with your APEX VPN username and password.

Add to Firefox →
Step 03

Connect To A Server

Use Quick Connect for the fastest nearby server, or pick a specific country from the list. Your browser traffic is encrypted the moment the extension shows Connected.

Who it's for

Real situations where a browser-only VPN wins

The extension shines whenever you want privacy in one tab without touching the rest of your setup.

Streaming in one browser

Watch a different region's libraryin Firefox while your other apps keep their normal connection. That's handy if you want to checkstreamingavailability abroad without rerouting your whole machine.

Working on a company VPN

Layer personal privacy on topof a corporate network by keeping your work traffic on the company'sVPN for Businesswhile your personal browsing in Firefox stays encrypted and separate.

Comparing prices while abroad

Shop local dealsin one browser while streaming from your home country'sGlobal Networkin another — each window keeping its own separate location and IP address.

Try APEX VPN Plus risk-free

Unlock streaming, higher speeds, and more server locations from the same extension. If a paid plan isn't right for you, get a full refund within 30 days, no questions asked.

Try APEX VPN Plus
Security while browsing

What the extension actually does to your traffic

Once connected, the extension encrypts the data traveling between Firefox and the VPN server, so your internet provider can no longer see which sites you visit. Websites see the IP address of the APEX VPN server instead of your own, which keeps your rough location and identity out of the request. This runs on the sameVPN Protocolsand audited encryption standard used across the full APEX VPN app, so browser-only protection isn't a lighter version of our security — just a narrower scope. You can check your current address with ourWhat Is My IPtool whenever you want to confirm the extension is active.

Encrypted traffic Server-side IP Audited protocols
Convenient for streaming

Stream from one tab without slowing the rest of your device

Because the extension only reroutes Firefox, you can watch a show from another region'sStreaming VPNserver in one window while a download or a game keeps its normal, unencrypted connection elsewhere. This is especially useful on shared or work computers, where routing the entire device through a VPN isn't practical or allowed. It also means two Firefox-based browsers can hold two different server locations at once, letting you compare catalogs side by side.

Ready to browse Firefox privately?

Add the extension, sign in, and connect — backed by a 30-day money-back guarantee on paid plans.

Add to Firefox

Frequently asked questions

Our team is available 24/7 to assist you with setup, billing, or troubleshooting—in your preferred language.