# YouTube Sync

> Sync YouTube playback between devices over local network

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

## Overview

- **ID:** `youtube-sync`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Vano Zabe
- **Category:** feeds-news-blogging,photos-music-videos,games-entertainment
- **Daily users:** 9
- **Weekly downloads:** 1
- **Rating:** 5.00 / 5 (1 ratings)
- **Version:** 1.1
- **Last updated:** 2026-01-30
- **First published:** 2026-01-26
- **Size:** 34 KB
- **Data as of:** 2026-09-16
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/youtube-sync/)
- **Website:** [https://gitlab.com/marmota/yt\_sync](https://gitlab.com/marmota/yt_sync)

## Description

YouTube Sync allows you to seamlessly synchronize playback across multiple devices on your local network. Perfect for watching together on a PC and tablet!

Real-time Sync: Actions like Play, Pause, and Seek are instantly mirrored.
Auto-Follow: Slaves automatically navigate to the video currently playing on the Master.
Adjustable Timeshift: Compensate for network latency with a precise slider.
On master PC should run the server 
╰─➤  python3 &lt;(curl -sSL <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/8960cd3d2386b765e2bb8b1a01a14027e288bdbb25d959c0bab83b3db9f64adf/https%3A//gitlab.com/marmota/yt_sync/-/raw/main/yt_sync_server.py" rel="nofollow">https://gitlab.com/marmota/yt_sync/-/raw/main/yt_sync_server.py</a>)

## Rankings

- #34,829 — Overall
- #48 — sync
- #249 — device

## Permissions and access

### Permissions

- `storage`
- `tabs`
- `*://*.youtube.com/*`
- `*://*.rutube.ru/*`
- `http://192.168.1.122:5000/*`

### Content script matches

- `*.youtube.com`
- `*.rutube.ru`

## 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).

## Similar extensions and apps

- [Synctastic](https://chrome-stats.com/d/synctastic) — 5.00 / 5
- [YTSync](https://chrome-stats.com/d/ytsync) — 4 users, 5.00 / 5
- [SyncUp](https://chrome-stats.com/d/syncup) — 184 users
- [YouTube Remote](https://chrome-stats.com/d/youtube-remote) — 10 users, 1.00 / 5
- [OpenSync](https://chrome-stats.com/d/opensync) — 1 users
- [Sync Everything](https://chrome-stats.com/d/sync-everything) — 7 users
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- [KoalaSync](https://chrome-stats.com/d/koalasync) — 129 users, 5.00 / 5
- [Watch Party Sync](https://chrome-stats.com/d/watch-party-sync)
- [YouTube Audio/Video Sync](https://chrome-stats.com/d/youtube-av-sync) — 363 users, 2.46 / 5
- [SubSync Master](https://chrome-stats.com/d/subsync-master) — 14 users, 2.00 / 5
- [Sync](https://chrome-stats.com/d/sync_ext) — 12 users

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