GEDmatch FAQ

We understand you may have questions about how this all works.
We’ve compiled some top GEDmatch FAQs below.

About GEDmatch

GEDmatch is a DNA website built for genetic genealogy research.

Yes, GEDmatch offers many free tools, and there are optional paid GEDmatch tools.

Go to GEDmatch.com and click the Join For Free button, fill out the form, and receive a confirmation email.

GEDmatch has more than 12 years of acquiring information and experience.

Yes, GEDmatch results are more than 99% accurate.

GEDmatch will tell you if you have unknown relatives. GEDmatch uses a tool that compares  DNA among its almost 1,5 million users, the Comparison tool finds the matching segments.

People use GEDmatch when they are interested in tracking down unknown family members and learning about their family history and ethnical background.

GEDmatch goes back 9000 years, seven thousand years BC.

How to Upload Your DNA

GEDmatch allows you to upload your DNA samples from many companies, ( ⁠23andMe, ⁠FamilyTreeDNA (FTDNA), ⁠MyHeritage, LivingDNA TellmeGen). When you receive your membership confirmation email, sign in to GEDmatch and upload. See our detailed guide here.

With the comparison tool, “One-to-Many”, you’ll have results just in hours, while other results may take not more than 2 days.

GEDmatch has more than 45 tools, the best way is to start with the simpler ones. You can see our detailed guide for each tool here.

A GEDCOM file is a type of file that has information and links that allow different genealogical companies to exchange data.

GEDmatch has a bank of more than 350 million people in GEDCOM format.

Gedmatch will prompt you to “Upload your DNA files” when you log in. For additional instructions, see the link there. You can upload your GEDCOM file after uploading your DNA file so that your matches can see if you share an ancestor in your family trees.

How it Works

You just have to upload your DNA sample to GEDmatch. Doing this allows you to use the various tools GEDmatch has to learn more about your genealogy and ethnicity. See more in our how it works guide. 

They are the unique kit numbers that allow the different tools to identify you.

In the “Analyze Your Data” section and enter your GEDmatch kit number then select “Display Results.” That will let you see the DNA samples that match more with yours.

Yes, GEDmatch gives you an ethnicity report, letting you learn facts about where your ancestors were from.

GEDmatch Admixture calculator for Native American ancestry is the “MDLP World 22” tool. It is called that way because it covers 22 world regions, including four Native American regions of North and South America.

Green color tells you a new kit uploaded to GEDmatch, Genesis identifies what new kits are available. It’s recommended that you review your GEDmatch periodically.

GEDmatch looks at the Y chromosome, which is only present in males. Since Y chromosomes are inherited only from the father, this will tell you if it’s a paternal or a maternal relation.

Triangulation means that three or more people have a long enough segment of DNA that matches, and descends from a common ancestor.

The best way to see how you are related to your Gedmatch DNA match is by viewing their GEDCOM or family tree if they have one attached to their Gedmatch profile.

15—50% DNA match means you and your match share DNA because of a recent common ancestor, share DNA from very distant ancestors, or you may not be related.

Yes, GEDmatch has a neanderthal calculator.

Privacy and Safety

Yes, GEDmatch is safe. When you join GEDmatch you can choose to use a pseudonym and have the option not to share your information.

You can delete your data from GEDmatch at any time.

Your test results stay private, only users who know your DNA testing kit number can view your matches.

If you have any privacy concerns consider using an alias on GEDmatch that is not associable with your real name. 

If you choose the option opt-in to law enforcement, yes. However, GEDmatch participants can choose to opt out of law enforcement matching at any time by selecting this option in their user profile.

Whether or if your DNA kit has been chosen to be matched to law enforcement kits is shown by the police badge icon. The police matching kit is not currently accessible if the police badge has a red “X” through it.

Top Questions

How long has GEDmatch been working in the genetic genealogy area?

GEDmatch has more than 12 years of acquiring information and experience.

Are GEDmatch results accurate?

Yes, GEDmatch results are more than 99% accurate.

How long does GEDmatch take?

With the comparison tool, “One-to-Many”, you’ll have results just in hours, while other results may take not more than 2 days.

How do you read DNA results on GEDmatch?

In the “Analyze Your Data” section and enter your GEDmatch kit number then select “Display Results.” That will let you see the DNA samples that match more with yours.

Get your free GEDmatch account today!

Upload Your DNA File to GEDmatch

Sign up for free and find genetic matches on GEDmatch. Use it as a research tool or share DNA data with others to find relatives.