Quantified Self: Turn Your Massive Apple Health XML into a Lightning-Fast DuckDB

<p>Have you ever tried to open your Apple Health <code>export.xml</code> file? If you've been wearing an Apple Watch for more than a year, that file is likely a multi-gigabyte

<p>We’ve all been there. You click "Export Health Data" on your iPhone, wait ten minutes, and receive a massive, bloated <code>export.xml</code> file. If you've tracked your

<p>We live in an age of "The Quantified Self." Between our Apple Watches tracking heart rate variability, Strava recording every weekend century ride, and MyFitnessPal logging

<p>In an era where privacy is the ultimate luxury, our most sensitive data—heart rates, sleep cycles, and activity levels—is often shipped off to black-box cloud servers for