The Genealogical DNA Analysis Tool (GDAT) is a standalone desktop application that runs on your own computer — your database never leaves it.
New to GDAT? Start with Getting Started, and read the Terms of Use before downloading.
Before you install: Installing and Updating · Release Notes · GMP to GDAT Conversion · Terms of Use
You may get a warning from your anti-virus software — GDAT is a niche program used by a comparatively small number of users, and so is often unknown to virus checkers. macOS users may also need the Apple workaround.
Companion utility for pulling data out of a DNAGedcom Client database.
GDAT (Genealogical DNA Analysis Tool) is a DNAGedcom tool. © DNAGedcom LLC 2020–2026. Genealogical DNA Analysis Tool is provided as is with no guarantee given as to its performance.