Share large files securely, directly between devices
About ButterShare
ButterShare is a free browser-based peer-to-peer file transfer tool. Send files and folders between devices through encrypted WebRTC connections without creating an account or uploading files to cloud storage. Works across Windows, Mac, Linux, iPhone and Android in a browser. Transfer size depends on network and device limits.
✓ VerifiedOct 12, 2026
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