Kosmi
Kosmi hosts browser-based watch parties and virtual hangouts, with synchronized video, games, music, and video chat.
About Kosmi
Kosmi is a browser-based service for hosting synchronized watch parties and virtual hangouts. It works without a download or sign-up. A mobile app is available, though desktop or tablet is recommended for the full experience.
Key features
- Synchronized playback for Netflix, YouTube, or other streaming services.
- Games and music can be added to a room.
- Integrated voice, video and messaging.
- Shared browsing, screen sharing, link sharing and file sharing.
- Customizable private rooms, including multiple rooms for different groups.
- Public lobby rooms for solo users.
Best for: Long-distance friends, couples and remote teams planning movie nights, game nights or virtual hangouts.
Kosmi at a glance
- Website
- kosmi.io
- Category
- Entertainment & Streaming › Video Platforms
- Type
- Online tool
- Pricing
- Freemium
- Platforms
- Web
- Details verified
- Oct 22, 2026 · Official source
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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