Watch reactions and the show in perfect sync
Install the React Sync extension, then use Watch to line up your reaction video with streaming content—side by side, PiP, or stacked.
Works in Chrome and Chromium-based browsers that support the Chrome Web Store.
Why React Sync
Instant sync
Master controls, sync points, and sync lock keep both players aligned without guesswork.
Major streamers
Netflix, Disney+, Crunchyroll, Prime Video, Max, and more—using your own subscription and our extension bridge.
Privacy-minded
Sync runs in your browser; we don’t host shows or replace your streaming apps. See our Privacy Policy for details.
From install to watch-along
- 01
Add from Chrome Web Store
Install React Sync Tab in one click. Free from the official store—reviewed and signed by Google.
- 02
Open Watch on React Sync
Load your reaction and connect Netflix, Disney+, Crunchyroll, Prime Video, and more (with your own subscription).
- 03
Stay locked in sync
Use sync points, master controls, and layouts so both videos move together—no more manual countdowns.
Ready in under a minute
One install from the Chrome Web Store, then open Watch on React Sync to pair your reaction with streaming content.
Open in Chrome Web Store