Puzzling question : How to write a proper 2.1 formatted VCF file to NFC tag [SOLVED]

[Pilgrimsmaster]

@Hiyer

Embedded BASE64 encoded photo

Does it have to be BASE64 encoded ?
Could it be WEBP like in @roscos example

like in the thread you asked the question in

Automated vCard writer (with photo)

Since I posted this yesterday (in the wrong thread naturally…), I’ve been obsessing a little over trying to cram as much data and as best a photo as possible on a limited size NTAG. Classic hacker pursuit: there isn’t nearly enough enough space on an NFC tag for a decent vCard photo, so I just had to do it I’ve been trying different JPEG encoders, different mugshot sizes, contrasts etc… I played the what-if game manually for a while - that is, change something, regenerate the vCa…