# Cookie Sync

> Sync cookies, localStorage and sessionStorage across Firefox Containers. View, edit, add, delete cookies with one-click import/export.

Canonical page: [https://chrome-stats.com/d/cookie-sync-master](https://chrome-stats.com/d/cookie-sync-master)

## Overview

- **ID:** `cookie-sync-master`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** magic
- **Category:** privacy-security
- **Daily users:** 3
- **Version:** 2.0
- **Last updated:** 2026-07-31
- **First published:** 2026-07-28
- **Size:** 22 KB
- **Data as of:** 2026-09-15
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/cookie-sync-master/)

## Rankings

- #57,113 — Overall
- #117 — sync
- #245 — cookie

## Permissions and access

### Permissions

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

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** High 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 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/cookie-sync-master)