# Firefox Multi-Account Containers

> Firefox Multi-Account Containers lets you keep parts of your online life separated into color-coded tabs. Cookies are separated by container, allowing you to use the web with multiple accounts and integrate Mozilla VPN for an extra layer of privacy.

Canonical page: [https://chrome-stats.com/d/multi-account-containers](https://chrome-stats.com/d/multi-account-containers)

## Overview

- **ID:** `multi-account-containers`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Firefox
- **Category:** privacy-security,tabs
- **Daily users:** 398,394
- **Weekly downloads:** 11,681
- **Rating:** 4.59 / 5 (8,055 ratings)
- **Version:** 8.3.8
- **Last updated:** 2026-07-01
- **First published:** 2017-02-08
- **Size:** 905 KB
- **Data as of:** 2026-09-08
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/multi-account-containers/)
- **Website:** [https://github.com/mozilla/multi-account-containers/issues](https://github.com/mozilla/multi-account-containers/issues)

## Description

## Firefox Multi-Account Containers

The Firefox Multi-Account Containers extension empowers you to separate your online activities into distinct, color-coded tabs, keeping each part of your digital life organized and private. By isolating website storage and cookies within individual Containers, you can log into multiple accounts on the same site simultaneously — for example, managing work and personal email without conflict.

In addition, this extension helps you reduce cross-site tracking by segregating social media usage from general browsing. For enhanced privacy, Firefox Multi-Account Containers can integrate with Mozilla VPN, allowing you to protect your browsing activity in each Container—ideal for safely shopping abroad while accessing your home country accounts securely. Customize your Containers’ colors, names, and icons for easy management and enjoy streamlined, private browsing in a single browser window.

[Learn more about using Containers and Mozilla VPN integration](https://support.mozilla.org/en-US/kb/containers/)

## Rankings

- #40 — Overall
- #23 — Tabs
- #33 — Privacy & Security
- #1 — account
- #1 — counter
- #1 — country

## Permissions and access

### Permissions

- `<all_urls>`
- `activeTab`
- `cookies`
- `contextMenus`
- `contextualIdentities`
- `history`
- `idle`
- `management`
- `storage`
- `unlimitedStorage`
- `tabs`
- `webRequestBlocking`
- `webRequest`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Very high risk impact
- **Risk likelihood:** Low risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension was updated in the past 3 months. New updates may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Review summary

Users broadly view Firefox Multi-Account Containers as essential and highly useful for separating personal/work accounts and managing multiple tenants. It’s seen as a core, must-have plugin that improves workflow. Some note missing features (private browsing containers, always-open-in-container behavior) and a few isolated issues (e.g., removing sites from the managed list), but overall sentiment is strongly positive and focused on enhancement rather than fundamental flaws.

### Pros

- Essential/must-have/core plugin for Firefox workflows
- Very useful for using the same site with multiple accounts (personal vs work)
- Excellent for managing multiple cloud tenants (e.g., M365, Google)

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Source: [Chrome-Stats](https://chrome-stats.com/d/multi-account-containers)