Blendr - Sync YouTube and Twitch Streams

Tracking since May 8, 2026.

Changelog

• May 31, 2026
  permissions

  storage, activeTab, scripting, tabs

  storage, activeTab, scripting

• May 12, 2026
  description

  Watch YouTube videos together with friends in perfect sync.
  
  Hosts: Open any YouTube video, click Start Broadcasting, and share the session link. 
  Viewers: open the link and the video plays in sync automatically.
  
  YouTube video, so your chat can watch with you in real-time.
  • One-click broadcast from any YouTube video
  • Real-time sync for all connected viewers
  • Optional Twitch stream overlay with adjustable position
  • Auto-reconnects if the connection drops
  
  
  For Twitch streamers: Enable the Twitch overlay to show your stream alongside the synced YouTube video, so your chat can watch with you in real-time.
  
  • One-click broadcast from any YouTube video
  • Real-time sync for all connected viewers
  • Optional Twitch stream overlay with adjustable position
  • Auto-reconnects if the connection drops

  Blendr lets you watch YouTube videos together in perfect sync. Start a broadcast on any YouTube video, share the session link, and everyone who joins will stay synced automatically. 
  
  What it does
  - Watch YouTube videos together with friends in real time
  - Start a broadcast from any YouTube video with one click
  - Share a session link so viewers can join instantly
  - Keep everyone synced automatically
  - Reconnect smoothly if the connection drops
  - Optional Twitch overlay support for watch parties
  - Great for streamers who want to watch YouTube content with their audience and not face legal troubles!
  
  If the connection drops, Blendr reconnects so the session keeps going smoothly.
  It also includes bonus Twitch watch party support. For streamers, you can enable an optional overlay to show your Twitch stream alongside the synced YouTube video, making it easy for your chat to watch, react, and stay in sync with you.

Permissions & access

Permissions

storageactiveTabscripting

Host access

https://www.youtube.com/*, https://blendr-api.heydaytime.net/*

Screenshots