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Life & fun · June 23, 2018

OS

Optical stripe reading and floppy disk imaging attempt

Optical stripe reading and floppy disk imaging attempt launched on June 23, 2018 with 71 votes, #613 of 2,653 launches that month and more than 90% of that year's launches. The site was still online in September 2026, 8 years on.

Visit anfractuosity.com ↗Alternativestop 23% of June 2018

In plain words

This resource explains a method for visually decoding data stored on magnetic stripe cards using Q-View magnetic developer and iron powder. It documents an attempt to read the second track of a card at 75 bits per inch resolution and discusses plans to decode the higher-resolution first track using metallurgical microscope imaging. The project is aimed at anyone interested in understanding magnetic stripe technology and data recovery techniques.

written from the facts on this page · September 2026

From the sources

In this article we provide information on how to visually decode the data stored on a magnetic stripe card. We make use of the Q-View magnetic developer which contains 1-3um iron powder according to the datasheet. We attempt to decode the 2nd track on the card, which is stored at 75 bpi, as opposed to 210 bpi for track 1. I would like to try to decode track 1 at some point, once I’ve taken microscope images of the stripe through a metallurgical microscope, as the image I obtained from my scanner doesn’t seem high enough resolution to decode this track. Any magnetic fields on a magnetic stripe (either north or south) will attract the iron powder, which creates a visually…from anfractuosity.com

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