Family Tree Analyzer

Name: Family Tree Analyzer
Author: Fergus

By: Fergus

Automatically check and verify family connections in your research.

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Features & Capabilities

Family Tree Analyzer cross-references historical records to detect inconsistencies and missing links, ensuring your family tree is accurate.

User Growth & Download Statistics

Add-on

By:

Fergus

Daily users:

Version:

2.6.1 Last updated: 2025-08-02

Version code:

6001102

Creation date:

2025-07-30

Risk:

Permissions:

Host permissions:

*://*.wikitree.com/*
*://*.ancestry.com/*
*://*.ancestry.co.uk/*
*://*.ancestry.ca/*
*://*.ancestry.com.au/*
*://*.ancestry.de/*
*://*.ancestry.it/*
*://*.ancestry.fr/*
*://*.ancestry.se/*
*://*.ancestry.mx/*

Content scripts matches:

*.wikitree.com
*.ancestry.com
*.ancestry.co.uk
*.ancestry.ca
*.ancestry.com.au
*.ancestry.de
*.ancestry.it
*.ancestry.fr
*.ancestry.se
*.ancestry.mx

Size:

1.55MB

Full description:

Source:

Firefox Add-ons Store

Data ingested on:

2026-07-10

Compare stats and ranking:

Ranking

# 108,237 ▼ 4,030

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Contact the developer

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Developed by:

Fergus

Firefox Add-ons Store

https://addons.mozilla.org/firefox/addon/family-tree-analyzer/

Is Family Tree Analyzer Safe?

Risk impact

Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

Family Tree Analyzer requires a lot of sensitive permissions. Exercise caution before installing.

Risk impact analysis details

Critical Request access to the following domains: wikitree.com, ancestry.com, co.uk, ancestry.ca, com.au, ancestry.de, ancestry.it, ancestry.fr, ancestry.se, ancestry.mx, ancestrylibrary.com, ancestrylibrary.ca, ancestryheritagequest.com, archive.org, gc.ca, gov.au, govt.nz, billiongraves.com, cornwall-opc-database.org, cwgc.org, digitalarkivet.no, findmypast.com, findmypast.ie, oclc.org, findagrave.com, familysearch.org, org.uk, genealodzy.pl, google.com, google.ca, google.de, google.it, google.fr, google.se, google.mx, gov.uk, hathitrust.org, irishgenealogy.ie, jstor.org, net.au, matricula-online.eu, myheritage.com, nationalarchives.ie, nli.ie, newspaperarchive.com, newspapers.com, openarchieven.nl, wiewaswie.nl, wikipedia.org, openarch.nl
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Risk likelihood

Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

Family Tree Analyzer is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

Risk likelihood analysis details

High This extension has low user count. Unpopular extensions may not be stable or safe.
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