# Containacious

> Tenaciously keeps your tabs in the right container

Canonical page: [https://chrome-stats.com/d/containacious](https://chrome-stats.com/d/containacious)

## Overview

- **ID:** `containacious`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Dejan
- **Category:** tabs
- **Version:** 1.0.0
- **Last updated:** 2026-01-25
- **First published:** 2026-01-22
- **Size:** 16 KB
- **Data as of:** 2026-09-18
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/containacious/)
- **Website:** [https://github.com/cabrilo/containacious/issues](https://github.com/cabrilo/containacious/issues)

## Description

Firefox containers let you separate browsing sessions. The problem? External links from Slack, Discord, email, or any app, as well as new tabs and right-click link openings ignore your containers.

Containacious fixes this. Every new tab and external link opens in your chosen container for that window. It makes Firefox containers behave like Google Chrome Profiles.

The source code is available on <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/062513d40f8c66d4f0989f71351c58b525f9ba5b393029beeb23e8c334943e02/https%3A//github.com/cabrilo/containacious" rel="nofollow">GitHub</a>.

## Rankings

- #137,945 — Overall

## Permissions and access

### Permissions

- `tabs`
- `contextualIdentities`
- `cookies`
- `storage`
- `<all_urls>`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- This extension has low user count. Unpopular extensions 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).

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