tl;dr: Easy and secure paper backups of (smallish) secrets using the Age format (age-encryption.org/v1).
Takes plaintext input either from a file or standard input, encrypts it using the Age format, and generates a PDF with the encrypted data as a QR code.
If you need to recover from the paper backup QR code can by scanned with any modern smartphone.
The main use case is keeping secrets, such as TFA recovery codes, in a safe place.
PaperAge alternatives and similar packages
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