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

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. SynthID Detector will be available as a web portal where you can upload images, video, audio and text to be scanned. Once uploaded, SynthID Detector Google claims the portal can tell you whether your upload contains AI-generated material and even "highlight specific portions of the content most likely to be watermarked." For audio, the tool is supposed to be able to identify a specific portion of a track that contains the watermark, too. Google SynthID was designed to mark content from Google's models but Google hopes other companies will adopt the watermark for their own AI output. An open source version of SynthID is already available for tex ... Read full article.