Iriszip lets you transfer files peer-to-peer in the browser with end-to-end encryption

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A developer has launched Iriszip, a browser-based tool for transferring files and text directly between devices without requiring an app, account, or cloud upload. Users pair two devices by scanning a QR code or entering a nine-digit code, after which files are sent via WebRTC — device-to-device on local networks or through an encrypted relay over the internet. The relay server never stores file content; encrypted data passes only through memory and session state is discarded once a session ends. The project underwent an independent security review of its cryptographic protocol and is fully open source under MIT, Apache-2.0, and AGPL-3.0 licenses. The server can be self-hosted via Docker Compose, and the solo developer is seeking feedback from the security, networking, and privacy communities.

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