Syncine - Web Video Watch Party icon

Syncine - Web Video Watch Party

by happyday021884@gmail.com · Entertainment
Manifest V3 Free
View in Chrome Web Store Data as of 15 Oct 2026

Real-time video sync watch party extension for YouTube & Bilibili. Watch with remote friends seamlessly.

Users
19
+9 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#152K
#127K among extensions
Version
2.2.0
updated 3 Oct 2026

Users

monthly, 1 months
01019Sep 2026Oct 2026Oct 2026
Latest, 15 Oct 2026: 19 usersMove the mouse over the chart for any month

Ratings count

monthly, 1 months
001Sep 2026Oct 2026Oct 2026
Latest, 15 Oct 2026: 1 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Syncine - Web Video Watch Party

🎬 Syncine is a lightweight cross-platform synchronized video watching application. It allows multiple viewers to watch videos together by synchronizing playback actions such as play, pause, and seek across supported platforms. Videos are pushed from the host to all participants in real time. ✨ Features 🎥 Supports both YouTube and Bilibili ⚡ Supports direct WebRTC P2P connections 🌐 Provides a synchronization relay server for environments where P2P connections are unavailable (Experimental) 🚀 Quick Start Host creates a room. Viewers join using the invitation code. Host pushes a supported video. Everyone enjoys synchronized real-time viewing from different locations. ⚠️ Connectivity Note Due to differences in network environments and Internet Service Providers (ISPs), WebRTC P2P connections may occasionally encounter connectivity issues. If this occurs, using the synchronization relay server is recommended for a more stable experience. 📦 Source Code & Issue Reporting GitHub Repository: https://github.com/s9000008/Syncine

Growth

WindowUsersChangeRatingsRating
7 days−4−17.4%00.00
30 days+9+90.0%00.00

Version history

5 versions recorded
2.2.03 Oct 2026
2.1.230 Sep 2026
2.1.110 Sep 2026
2.1.08 Sep 2026
2.0.05 Sep 2026

Details

Category
Entertainment
First seen
5 Sep 2026
Size
123 KB
Languages
en, zh-CN, zh-TW, ja
Pricing
Free
Privacy policy
github.com
Extension ID
filebpdgpniidghnnepdndpfgbcgnkip

Permissions and risk

Elevated riskimpact 3, likelihood 3
Permissions
storagetabsalarmsactiveTaboffscreen
Site access
https://www.youtube.com/*https://www.bilibili.com/*https://syncine.fly.dev/*http://localhost/*http://127.0.0.1/*

Alternatives to Syncine - Web Video Watch Party

Extensions that rank for the same store searches or share the Entertainment category, ordered by users