What is ButterShare?
ButterShare is a browser-based file transfer tool for sending huge files directly between devices. It skips cloud uploads, signups, and waiting queues, so you can share photos, videos, folders, and other big files quickly through a secure link or QR code. Transfers happen peer to peer with end-to-end encryption, and files stream straight to the other device instead of being stored on a server. It works on modern browsers across Windows, macOS, Linux, iOS, Android, and ChromeOS. If a direct connection is blocked, it can fall back to an encrypted relay and still keep the transfer going. It also supports resumable transfers, folder structure preservation, and large sessions with thousands of files.
Key features
- Browser-based peer-to-peer transfers with no cloud storage.
- Send huge files through secure links or QR codes.
- End-to-end encrypted streaming keeps transfers private.
- No signup, account, or login required.
- Resumable transfers continue after connection drops.
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Founder
anirban roy
