# QuaranTab

> Safely use sensitive data with online tools

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

## Overview

- **ID:** `quarantab`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Smotana LLC
- **Category:** privacy-security,tabs
- **Daily users:** 15
- **Rating:** 5.00 / 5 (2 ratings)
- **Version:** 0.0.6
- **Last updated:** 2023-12-11
- **First published:** 2023-09-09
- **Size:** 960 KB
- **Data as of:** 2026-09-05
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/quarantab/)
- **Website:** [https://github.com/matusfaro/quarantab](https://github.com/matusfaro/quarantab)

## Description

Safely use sensitive data with online tools. Browser extension to cut-off network access to a website to prevent it from phoning home. This allows you to input sensitive data into a website without worrying about it being stolen.

Use cases:
- Parse a live JWT token
- Decode a Base64 Authorization header
- Hash a password
- Parse a Protobuf message

Permissions explained:
    "proxy" - Required to cut-off network access to the website by routing requests to a non-existent Socks proxy
    "tabs" - Required to re-open a tab in a new container
    "cookies" - Required for manipulating Container data and clearing browser data for temporary containers
    "contextualIdentities" - Required for creating/deleting Containers
    "privacy" - Required for temporarily disabling WebRTC globally
    "webRequest" - Required for monitoring active connections to determine when it's safe to use
    "scripting" - Required for injecting a content script for shutting down active connections
    "storage" - Required for keeping track of WebRTC initial enable state
    "<all_urls>" - Required to intercept proxy web requests for all sites

## Rankings

- #27,662 — Overall
- #54 — grant

## Permissions and access

### Permissions

- `proxy`
- `tabs`
- `cookies`
- `contextualIdentities`
- `privacy`
- `webRequest`
- `webRequestBlocking`
- `scripting`
- `storage`
- `<all_urls>`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** Low 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/quarantab)