Methods and systems for browser file transfer

The present invention relates to transferring files between browsers and other browsers or peer-to-peer (P2P) clients. In an embodiment, a system for transferring files includes a first browser and a second browser. The system may have a first client coupled to the first browser and a second client coupled to the second browser. The system may have a relay server coupled to the first and second clients configured to receive data from the first client, send the data to the second client, and send an acknowledgement to the first client upon completion.