The vault companion turns a Windows PC and attached drive into a private destination with resumable chunks, encrypted objects, SHA-256 verification, and signed proof.
Pair your vault companion
Start the companion on your Windows PC, copy its two-minute pairing payload, then paste the complete JSON object here. Pairing secrets are single-use.
THIS DEVICE
PAIRING PAYLOAD
Pairing rejects cleartext LAN addresses. Use a trusted HTTPS address on your private network; loopback HTTP is accepted only for local development. The token stays in this browser session and is cleared when you disconnect.
Verified transfer
Source bytes are never modified
Choose one file for the first real transfer
No transfer running.
IDLE
Safety boundary
A successful upload is only the first recovery path