Version 1.2.2 — Compatible with top browsers
LAGSYNC
The professional standard for fixing Bluetooth audio delay on any website. Sub-millisecond precision for the perfect watch party.
See LagSync in Action
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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.