Friday, August 29, 2025

PaperVault 2.0

Miguel Arroz (Mastodon):

PaperVault stores information as sequences of QR Codes you can print and scan easily, protected by a password only you know. Data is secured using industry-standard robust encryption algorithms.

[…]

Vendor lock-in is a bad thing. Your data is yours and I don’t want to hold it hostage. Therefore, I’m publishing the data format used when printing to QR Codes. View the data format technical documentation ≫

Neat idea, seems to be easy to use and thoughtfully implemented, and it’s free. Scanning—and verification—can be done using an iPhone controlled from the Mac via Continuity. Larger documents get split into multiple QR codes, printed in a grid, but I was surprised how much one QR Code can store.

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