# What to Watch Sync

> Connects supported streaming sites to your What to Watch account.

Canonical page: [https://chrome-stats.com/d/what-to-watch-sync](https://chrome-stats.com/d/what-to-watch-sync)

## Overview

- **ID:** `what-to-watch-sync`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Fifthwye
- **Category:** photos-music-videos,games-entertainment
- **Version:** 1.1.2
- **Last updated:** 2026-05-21
- **First published:** 2026-05-17
- **Size:** 64 KB
- **Data as of:** 2026-09-13
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/what-to-watch-sync/)
- **Website:** [https://whattowatch.fyi](https://whattowatch.fyi/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/what-to-watch-sync/privacy/](https://addons.mozilla.org/firefox/addon/what-to-watch-sync/privacy/)

## Description

What to Watch Sync automatically tracks what you watch across popular streaming platforms and keeps your watchlist on whattowatch.fyi up to date — no manual logging required.

<strong>How it works</strong>

Once connected to your What to Watch account, the extension runs quietly in the background. When you open a show or movie on a supported streaming site, it detects the video, extracts the title and episode information, and syncs your progress in real time.

<strong>Features</strong>
<ul><li>Automatic playback tracking across Netflix, Disney+, Max, Prime Video, Plex, and more</li><li>Syncs watch progress, episode completion, and playback position</li><li>Marks episodes as watched when you finish them</li><li>Works across series and movies</li><li>Connects securely to your What to Watch account with a one-click login</li><li>No personal data is stored in the extension — everything syncs to your account</li></ul>
<strong>Getting started</strong>
<ol><li>Install the extension</li><li>Visit whattowatch.fyi and sign in</li><li>Click "Connect Extension" in your account settings</li><li>Start watching — your progress syncs automatically</li></ol>
Your watchlist stays in sync whether you switch devices or platforms.

## Rankings

- #134,407 — Overall

## Permissions and access

### Permissions

- `storage`
- `tabs`
- `alarms`
- `scripting`
- `webNavigation`

### Host permissions

- `<all_urls>`

### Content script matches

- `whattowatch.fyi`
- `<all_urls>`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** High 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/what-to-watch-sync)