Anyone can now upload a suspicious image to Google’s online tool, but it’s not a foolproof way to check for authenticity.
AI slop is getting so good that it’s not always easy to distinguish a photorealistic forgery from a real photo. It’s no longer as easy as looking for the six-fingered renderings of just a year ago. Beyond looking for subtle clues, spotting AI images often comes down to a gut feeling that something simply looks off.
Now there’s another tool to help identify fakes, and it works with AI-edited audio and video, too. Google has opened its SynthID Detector to the public, so anyone with a Google, Apple or ChatGPT account can upload media to determine whether it’s been saved with a SynthID tag indicating manipulation using generative AI.
Google introduced SynthID in 2023 and, in late 2025, made it possible to query Google Gemini about whether images were created using Google’s AI. At the Google I/O annual developer conference this past May, the tool expanded to include detecting video and audio content in Google Chrome and Google Search.
The standalone SynthID Detector tool currently detects media generated by Google, OpenAI, Nvidia and Kakao. Not yet named is Apple, which announced it would support SynthID at its recent fall event announcing the iPhone 18 Pro and iPhone Duo.
(Disclosure: Ziff Davis, CNET’s parent company, in 2025 filed a lawsuit against OpenAI, alleging it infringed Ziff Davis copyrights in training and operating its AI systems.)
A spokesperson for Google, in an email to CNET, emphasized that working with other companies is crucial when it comes to identifying AI-generated content because no single company can solve the problem alone.
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