Google Opens SynthID AI Media Checker to Everyone

Oct 7, 2026
Google has opened its SynthID verification website to the public, allowing users to check images, videos, and audio for its invisible AI watermark.

Google opened its SynthID verification website to everyone on Tuesday, according to TechCrunch. The site lets users upload images, videos, and audio files to check for the invisible watermark Google places in media created by supported AI tools.

The checker supports common formats including JPG, PNG, GIF, MP4, MOV, MP3, WAV, and FLAC. Google previously made the tool available to selected journalists, media professionals, and researchers for testing.

Google uses SynthID across Nano Banana, Veo, Lyria, Gemini, Flow, ProducerAI, and Vids. OpenAI, Nvidia, and Kakao also support the watermarking system. SynthID verification is already available in Gemini and Chrome, and Google says users submit 1 million verification requests each day.

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