Methods, apparatuses, and computer program products for synchronization of live streams from web-based clients are disclosed. The method may include transmitting, to a plurality of clients broadcasting a plurality of media streams, an instruction to reproduce a synchronization signal. The method may include receiving, via the plurality of media streams, a plurality of recordings of the synchronization signal. The method may include determining one or more delays associated with the plurality of media streams based at least in part on the plurality of recordings of the synchronization signal. The method may include adjusting a timing of one or more of the plurality of media streams to synchronize the plurality of media streams, the adjusting based at least in part on the received plurality of recordings and the determined one or more delays. The method may include re-encoding the plurality of media streams into a combined stream.