Engine v1.0 Live soon

LAGSYNC

The professional standard for fixing Bluetooth audio delay on any website. Sub-millisecond precision for the perfect watch party.

Coming Soon — It's Free Technical Specs

Coming to Every Browser

Chrome
Chrome
Coming Soon
 Firefox
Firefox
Coming Soon
 Edge
Edge
Coming Soon
 Safari
Safari
Coming Soon
 Brave
Brave
Coming Soon
01

MSE Hooking

Intercepts SourceBuffer for smooth, ramped audio sync on YouTube, Netflix, and others.

02

Web Audio Fallback

For non-streaming sites, a Web Audio DelayNode handles the audio offset when MSE isn't available.

03

One-Click Presets

Built-in profiles for aptX (40ms), AAC (120ms), SBC (180ms), and High (300ms) — all editable to match your setup.