SynthID Detector

At a glance

Limits and detection

Checking tool from the makerA way the maker offers to check a file for its traces.

Google says the SynthID Detector portal has been available to everyone, globally in English, since October 7, 2026, and checks whether an image, video or audio file was made with AI from Google or partners including OpenAI, NVIDIA, Kakao and, soon, Apple.

Google's description has changed. At launch on May 20, 2025, Google rolled the Detector out to early testers, with a waitlist for journalists, media professionals and researchers, and said it would scan text as well as images, audio and video; its current page lists image, video and audio only.

Google SynthIDGoogle DeepMind

Quoted passage SynthID Detector

In 2025, we launched the SynthID Detector, a verification portal, to verify if a piece of content was watermarked with Google SynthID. After testing with journalists and media professionals and collecting their feedback, we’re expanding access to everyone. With the new SynthID Detector, anyone can easily check if an image, video, or audio file was made with AI from Google or our partners, including OpenAI, NVIDIA, Kakao, and soon, Apple.

We're making it easier to identify AI-generated content globally.Google (The Keyword blog, Africa edition)

Quoted passage body

Since launching Google SynthID in 2023, we've helped people identify AI-generated media using imperceptible watermarks across images, video, and audio. To date, we've watermarked over 180 billion images and videos, along with 240,000 years of audio content." "Last year, we introduced an early version of the SynthID Detector to help media professionals verify AI-generated content. Now, we’re expanding access to everyone – with the tool available globally in English starting today.

SynthID Detector — a new portal to help identify AI-generated contentGoogle (The Keyword blog)

Quoted passage body

When you upload an image, audio track, video or piece of text created using Google's AI tools, the portal will scan the media for a SynthID watermark. If a watermark is detected, the portal will highlight specific portions of the content most likely to be watermarked.

SynthID Detector — a new portal to help identify AI-generated contentGoogle (The Keyword blog)

Quoted passage body; footnote

We are starting to roll this out to early testers today, before making it available more broadly. Journalists, media professionals and researchers can join our waitlist to gain access to the SynthID Detector." "Product in development; final product details may differ. Video and text watermark detection will be rolled out in the coming weeks.