01 — Case studyWeb app

Share

Zero-knowledge file, photo and text transfer between any two devices, using a QR scan or a six-digit code.

Role
Design & development
Year
2026
Tags
Web app · Zero-knowledge · QR
share.fallenbox.com
Screenshot of the Share homepage

Problem

Moving a file from a phone to a laptop, or to someone else’s device, usually means signing in, installing an app or emailing it to yourself.

Approach

Share pairs two devices with a QR scan or a six-digit code. There are no accounts. The transfer is zero-knowledge, so the server never sees what is sent, and everything is deleted automatically afterwards.

Outcome

A cross-platform transfer tool that works in any browser, with an Indonesian-language interface for its primary audience.

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