Bluetooth audio,
finally in sync.
LagSync is a lightweight browser extension that fixes Bluetooth audio delay during video — restoring lip-sync on YouTube, Twitch, Netflix and more, across every major browser.
LagSync · v1.2.2Screens
Bluetooth headphones run 100–300 ms behind the picture. LagSync hands that delay back to the video — lip-sync, restored.
Specification
- Browsers
- Chrome · Firefox · Edge · Safari · Brave
- Works on
- YouTube · Twitch · Netflix · Prime Video
- Delay range
- 0–500 ms, codec presets
- Privacy
- 100% on-device · no telemetry
- Version
- 1.2.2
- Price
- Free
Free, no account — everything runs on your device and your audio never leaves it.