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SynthID Detector can check media to see if it was generated with Google's AI tools

Google plans to offer a new web portal called SynthID Detector for identifying whether audio, video, text or images are created by AI.

Google originally launched SynthID, its digital watermark for AI-generated content, as a way to detect whether an image was created using the company's Imagen model in 2023. Now, at Google I/O 2025, the company is introducing a public-facing tool called SynthID Detector that claims to detect those watermarks in just about anything you upload. Until models from one company produces the vast majority of content or a digital watermark reaches widespread adoption, though, a tool like SynthID Detector can only be so useful.

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