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Witness

Scheduled · Week 45, 2026

Detect AI-generated images, videos and deepfakes in seconds

AI, Chrome Extension
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Scheduled launch

Goes live Week 45, 2026

November 2 - November 8, 2026 · Leaderboard opens Monday 00:00 UTC

Browse Week 45, 2026

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Witness - Detect AI-generated images, videos and deepfakes in seconds
Witness - Detect AI-generated images, videos and deepfakes in seconds

About Witness

Witness tells you whether an image or video is AI-generated or a deepfake, and shows the evidence behind the verdict. It's built for journalists, HR and hiring teams, legal and trust & safety professionals, and anyone who needs to know if what they're seeing is real. You get a verdict with heatmaps showing which regions of an image were flagged, frame-by-frame analysis for video (both fully AI-generated clips and face swaps), generator attribution across 75+ models including GPT Image, Midjourney, Flux and Sora, C2PA content-credential reading, and shareable forensic reports. Use it as a web app, a Chrome extension (including live deepfake detection on Zoom calls), or through the API. Witness runs on in-house detection models. Free plan available; Pro is $15/month.

Gallery

Witness screenshot 1 of 2
Witness screenshot 1 of 2
Witness screenshot 2 of 2
Witness screenshot 2 of 2

Overview

Who is it for?

Journalists, HR and hiring teams, legal and trust & safety professionals

Problem

AI-generated images, videos and deepfakes are now hard to tell from real media, and most people have no fast, reliable way to check.

Solution

Upload or scan media in your browser and get a verdict in seconds, with heatmaps, frame-by-frame video analysis and generator attribution showing why.

What makes it unique

In-house detection models covering 75+ generators, explainable evidence instead of a bare score, live deepfake detection on Zoom calls, and an API.

FAQ

What types of media can I scan?
You can scan images, videos, and voice recordings.
Is there a free version available?
Yes, you can start with 20 scans per month for free.
How accurate is the detection?
Witness boasts a 98.9% AUROC on public detection benchmark datasets.
Can I use it for legal purposes?
Yes, it provides documented findings suitable for forensic reporting.
What happens to my uploaded files?
Files are processed and discarded; they are never kept.