KoalaSync
KoalaSync is a browser extension for people who watch movies, shows or videos remotely with friends, partners or family. It is especially useful for long-distance couples or friend groups doing online movie nights. Its hook is simple: KoalaSync is a free, open-source browser extension for watching v

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A compact summary of the product, practical fit, and latest note update.
- Product
- KoalaSync
- Category
- Browser Extensions
- Stage
- Launched
- Pricing
- Free
- Why it stood out
- KoalaSync feels like a project built to solve a real problem rather than create a new one. The core idea is easy to understand, the privacy-first approach is refreshing, and the optional self-hosting support helps it stand out from many similar tools. If you’ve ever struggled to keep a remote watch party in sync, this is the kind of project that’s worth taking a closer look at.
Project note
About KoalaSync
Product description
What the project says it is
KoalaSync is a free, open-source browser extension for watching videos together online. Create a room, share an invite link, and keep play, pause, seeking, and episode changes in sync across browser video players. It works with many sites and self-hosted media servers, including Emby, Jellyfin, Plex, YouTube, Netflix, Disney+, Prime Video and more. No account required, no tracking, and optional self-hosting for people who want to run their own relay server.
ProjectRadar context
Why it caught our eye
KoalaSync feels like a project built to solve a real problem rather than create a new one. The core idea is easy to understand, the privacy-first approach is refreshing, and the optional self-hosting support helps it stand out from many similar tools. If you’ve ever struggled to keep a remote watch party in sync, this is the kind of project that’s worth taking a closer look at.
This is a light context note, not a grade, hands-on evaluation, certification, or promise of traction.
What it does
KoalaSync is a free, open-source browser extension that keeps video playback synchronized between multiple people watching online. Users can create a room, share an invite link, and stay in sync when someone pauses, seeks, skips ahead, or changes episodes across supported video platforms and media servers.
Who it is for
KoalaSync is for people who regularly watch videos remotely with others, including friends, families, online communities, and long-distance couples. It is also a good fit for self-hosting enthusiasts who use platforms like Plex, Jellyfin, or Emby and want more control over how watch parties are hosted and managed.
Closing context
KoalaSync feels like a project built to solve a real problem rather than create a new one. The core idea is easy to understand, the privacy-first approach is refreshing, and the optional self-hosting support helps it stand out from many similar tools. If you’ve ever struggled to keep a remote watch party in sync, this is the kind of project that’s worth taking a closer look at.
Project note details
ProjectRadar project note
Published
June 16, 2026
Updated
June 16, 2026
Page type
Public project page
Context
Submission context
Status
Published note
- Editorial public profile
- Independently published
- Corrections welcome
- Not sponsored placement
ProjectRadar publishes short public profiles to help readers understand what a project is, who it may help, and where to find the official source. This page is not a hands-on evaluation, certification, or endorsement.
This note reflects a first-time user perspective. It is not investment, technical, growth, or professional consulting advice.
Launch visibility
Note history
A factual log of what ProjectRadar can show about this public note. It avoids traffic, traction, or founder outcome claims.
- Jun 16, 2026
- Project note published.
- Jun 16, 2026
- Project note updated after new public context or editorial cleanup.
- Jun 16, 2026
- Badge not available yet.
- Jun 16, 2026
- Eligible for future ProjectRadar Digest mention.
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