How do I open a GEDCOM file without installing software?

Use a browser-based GEDCOM viewer such as Bloomsly. Open the app, click Import, and select your .ged file. It is parsed entirely in your browser and turned into an interactive family tree — nothing is uploaded to a server.

Is it safe to upload a GEDCOM file online?

It depends on the tool. Some online viewers upload your file to a server to process it. Bloomsly reads the file locally in your browser using the File API — the data never leaves your device.

GEDCOM Viewer: How to Open a .ged File Online (Free)

Q: What is a GEDCOM file?

GEDCOM (GEnealogical Data COMmunication) is a plain-text file format, ending in .ged, used to move family tree data between different genealogy programs and websites. It stores people, birth/death dates, marriages, and parent-child relationships in a standard structure that most genealogy software can read and write.

A short, practical guide — no genealogy jargon assumed.

If you've exported your family tree from Ancestry, FamilySearch, MyHeritage, or a desktop program like Gramps or Family Tree Maker, you almost certainly ended up with a file ending in .ged. That's a GEDCOM file, and on its own it's just plain text — not something you can double-click and see a tree from. You need a GEDCOM viewer to actually look at it. Here's what that means and how to do it for free, in your browser, in under a minute.

What is a GEDCOM file, exactly?

GEDCOM stands for GEnealogical Data COMmunication. It's a standard invented so that genealogy software from different companies could share family tree data without every provider needing to talk to every other provider directly. A GEDCOM file lists each person in your tree — name, sex, birth and death dates — and records how they connect: who their parents were, who they married, who their children were.

Because it's a shared standard, a GEDCOM file exported from Ancestry can generally be opened by a completely different piece of software, like Bloomsly. That's the entire point of the format.

Where do I get a GEDCOM file?

If you've already built a tree on a genealogy website, look for an "Export" or "Download tree" option, usually in account or tree settings:

Ancestry — Tree Settings → Export Tree
FamilySearch — Tree → print/export options on your person page
MyHeritage — Family tree menu → Export GEDCOM
Gramps / Family Tree Maker — File → Export → GEDCOM

Each will save a .ged file to your computer — usually a small text file, even for a tree with hundreds of people.

How to view a GEDCOM file online, free

Once you have the file, you don't need to install anything to see it as a tree:

Open Bloomsly in your browser.
Click Import in the toolbar.
Choose your .ged file.
Your family appears immediately as an interactive 3D tree — every person placed, every parent-child and marriage link drawn.

Your file never leaves your device. Bloomsly reads GEDCOM files locally in your browser (the same technique any site uses to let you preview a photo before uploading it) — there's no server in the loop, no account required, and nothing is sent anywhere. That's worth checking before you use any GEDCOM viewer with a file that has your family's dates and relationships in it.

What Bloomsly reads from your GEDCOM file

Bloomsly imports the parts of GEDCOM that make a tree worth exploring: names, sex, birth and death years, notes, attached photos (GEDCOM's OBJE/media records), and every family relationship — parents, partners, and children. From there you get a few things a plain text file or a flat chart can't give you:

Every branch laid out in 3D — grandparents, aunts, uncles, and cousins each get their own space instead of being squeezed onto one page.
Named relationships — select any two people and Bloomsly tells you exactly how they're related ("2nd cousin, once removed") and draws the path between them.
A time machine — a year slider that fades people in and out as they were born and passed, so you can watch the family exist across history.
Fold any branch — collapse a large family line into a single marker with one click, so a big imported tree stays readable instead of overwhelming.

Editing after you import

A GEDCOM import isn't read-only. Once it's in Bloomsly you can add people it missed, fix a date, attach more photos, or share the tree with family members who can suggest their own edits — all still with no account required to explore, and nothing stored anywhere but your own browser.

Try it with your own GEDCOM file

No install, no sign-up to explore. Import a .ged file and see your family tree in 3D in under a minute.

Open Bloomsly