Ultra-low latency NTP virtual timeline engine. Synchronize any web stream, HLS, MP4, or YouTube video between any mobile phone, tablet, or laptop.
Create a Watch Room
🎬
Browse 10,000+ Movies & Shows
Pick Inception, Interstellar, Series or search TMDB
Join Existing Party
Watching on Netflix or Prime Video?
Load our lightweight Chrome/Brave/Edge extension from the project repo to inject the floating watch party widget directly into official streaming sites.
Folder: streamsync/apps/extension 📋
IN SYNC
Drift: 0msRate: 1.0xRTT: 0ms
Host is selecting a movie...
Please wait while the party host browses titles in the theater catalog.
AMAZON PRIME VIDEO
Prime Video Watch Party
Official streaming services (Prime Video & Netflix) protect media with Widevine DRM and cannot be decoded inside a generic HTML5 video element. StreamSync synchronizes your official Prime Video players across both profiles!