The one source of truth

Industry leading visual content validation system, allowing you to trust what you see.

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Defending reality

Fake news on steroids

Rapid development in computer science and the wide availability of CPU/GPU power makes it easier than ever for hackers to forge images and videos and spread them on social media sites and online.


Our computer vision and AI algorithms detect any form of manipulation in claim images and videos — from photoshop to deepfakes.


We verify content through safe capture and provenance tracking in our blockchain database, keeping every pixel authentic.


Our database serves as a library of validated and debunked content — this filters duplicates across insurance databases.

Detect on upload

Detection on upload

Our web-application allows you to analyse images and videos on a case-by-case basis.

Upload your file
Defudger analyses your content
Receive results within minutes

Integrate our API

Add our API into your service or platform.

Easy integration
Pay only for what you use
Seamlessly detect manipulated content
Integrate our API

Get started with Defudger today

And trust what you see.

Request a demo

Contact us

Contact us

The founders


Linkedin profile


Linkedin profile


Linkedin profile


Esther Wojcicki

Linkedin profile

Esther Wojcicki, known for “Moonshots: The Woj Way Pedagogical Philosophy,” is an American journalist, educator, and vice chair of the Creative Commons advisory council. She is the founder of the Palo Alto High School Media Arts Program in Palo Alto, CA. Esther graduated from the University of California, Berkeley with a B.A. in English and Political Science. In 2019 Esther authored the best selling book "How to Raise Successful People: Simple Lessons for Radical Results." She received a secondary teaching credential from UC Berkeley, as well as a graduate degree from the Graduate School of Journalism at Berkeley, an advanced degree in French and French History from the Sorbonne, and both a Secondary School Administrative Credential and M.A. in Educational Technology from San Jose State University.

Nasser Sagheb

Linkedin profile

A startup founder and adviser to entrepreneurs, his background includes extensive experience in the areas of finance, operations, marketing, international business, SaaS, B2C, and B2B. Cofounded ProMost where in addition to designing the features and functionalities of its e-procurement suite, he recruits and manages relationships with clients such as P&G and Unilever. He was VP of Business Development at Streetline, Marketing Director at Knowledge Revolution, Product Manager at Quarterdeck Corporation, and Associate at Colony Capital. He is also the director of the annual Global Technology Symposium. Board member at private sector and nonprofit organizations. MBA from UCLA, BS from U.C. Berkeley.

Matthew Craine

Linkedin profile

For over 20 years, Matt has been developing innovative web applications and launching startup companies the right way and on bootstrapped budgets. He is currently the owner and President of where he advises startups and small sized companies on creative brand marketing and search strategy. Clients include public and private companies in the fashion, retail, and tech industries as well as the non-profit sector. He recently co-founded and sold a 3D printing company Becoming 3D which supported clients such as NASA, Dow Chemical, and the University of Michigan. Matt was formerly the VP of online media and search for, and senior game producer at CBS Fantasy Sports.

Peter Yesawich jr

Linkedin profile

PJ is an executive creative director, filmmaker, integrated designer and technologist. A highly experienced senior creative leader having worked with some of the best brands around the globe. He works with agencies, production companies and brands to help bridge the gaps between creative development and production. He is an expert in digital transformation, global creative and brand leadership, e-commerce strategy and design, user experience design and cross-platform development and integration. His ultimate desire is to partner with authentic, genuine people to produce the best work possible. Brands and people who characterize hard work as table stakes. And those that never settle for just okay…

David Henkensiefken

Linkedin profile

He is CTO at contentflow, a startup focused on video real-time streaming and innovative video online solutions. He is a former Collaboration Counselour at Ligatus and former CTO of veeseo, a video content recommendation engine, which he started in 2010. The company was sold 2014 to G+J (Bertelsmann), which is now merged with taboola. Before that, he worked at the Bremen located startup mediaclipping as a Product Manager and Technical Project Leader. He helps the Berlin-based business angel collective Veto Capital in questions about IT, scouting IT-Teams and pitfalls, and chances of being a startup with a strong focus on project management.

The team


Senior Backend Developer


Full Stack Developer


Junior Data Scientist


Business Developer


Awarded by Sustainable Development GoalsAwarded by Venture Cup DenmarkAwarded by Fonden for EntreprenørskabAwarded by Innovation Fund DenmarkAwarded by AI Berlin Community Awards


Partnered up with Freie Universität BerlinPartnered up with Denver UniversityPartnered up with Technical University of DenmarkTrusted by Porsche DigitalTrusted by Axel SpringerTrusted by FactamaTrusted by Indie FrameTrusted by our.newsTrusted by HiQ


Trusted by Axel SpringerTrusted by Project X-CiteTrusted by DTU SkylabTrusted by Innofounder

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