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What Google Search and Google Ads do with Content Credentials

Search's About this image reads C2PA metadata; Ads shows How this ad was made, automatic for Google's tools and self-declared otherwise. Read 12 Oct 2026.

By
Eoin Butler
Published
Last reviewed

Google reads C2PA metadata in two places that matter to a company generating images: Search's "About this image" panel, which tells a searcher whether an image was created or edited with AI, and Google Ads' "How this ad was made" disclosure, which does the same for ad creatives. Google's own generative tools embed both a SynthID watermark and C2PA metadata; for creatives made elsewhere, the ad disclosure is the advertiser's declaration. Neither feature rejects unmarked content.

  • Search: "About this image" shows AI creation or editing when C2PA metadata is present, in Google Images, Lens and Circle to Search.
  • Ads: "How this ad was made", in the ad's More menu, "available only for ads that use AI edited or created assets"; automatic for some ads made with Google's products, self-declared otherwise.
  • Google's own tools embed "machine-readable metadata (SynthID and C2PA)".
  • Rejects unmarked content: no.
  • Visible on-ad labels by region: UNVERIFIED (trade press: EU, India, New York).

What Google says it does

From Google's post of 17 September 2024, read 12 October 2026: "If an image contains C2PA metadata, people will be able to use our 'About this image' feature to see if it was created or edited with AI tools", a feature "accessible in Google Images, Lens and Circle to Search". On ads: "Our ad systems are starting to integrate C2PA metadata. Our goal is to ramp this up over time and use C2PA signals to inform how we enforce key policies." Google co-wrote version 2.1 of the Content Credentials specification and sits on the C2PA steering committee.

The My Ad Center help page, read the same day, lists "How this ad was made (available only for ads that use AI edited or created assets)" as an option in an ad's More menu, letting a viewer "View information about how the ad was created and whether AI was used to create or edit the ad". Labels come from two sources: "Labels applied automatically by Google to some ads generated by Google's advertising products", and "An advertiser can choose to label and disclose an asset as AI generated or edited". The page's section on trust names "machine-readable metadata (SynthID and C2PA)". Trade press dates the feature's launch to 9 July 2026 and reports visible on-ad labels as mandatory in the EU, India and New York; Google's page says neither, so both are secondary.

Secondary reports from 2026 say Google is adding C2PA verification to the Gemini app first, with Search and Chrome to follow; UNVERIFIED against a Google page.

What this means for your output

For images, a manifest means a searcher can see your output's AI origin in About this image, with the signer as the manifest records it. For ads, a creative you generated with your own stack needs the advertiser's disclosure switched on; a creative made with Google's tools is labelled automatically. Google's own line of enforcement runs on SynthID and C2PA, so an output carrying both a manifest and a watermark is the shape its systems are built to read.

Changes

  • 2026-10-12 — First published, from Google's C2PA post and the My Ad Center help page; launch date from trade press.

Read from Google's own pages on the date shown, with secondary sources marked. Platform policies change; tell us if this is out of date. SignUnder is not a law firm and this is not legal advice.

Questions

Does Google Search read C2PA Content Credentials?
Yes. Google said in September 2024 that if an image contains C2PA metadata, its About this image feature shows whether it was created or edited with AI tools, in Google Images, Lens and Circle to Search.
What is How this ad was made?
A panel in an ad's More menu, available only for ads that use AI-edited or AI-created assets, showing whether AI was used. Google applies labels automatically to some ads generated by its own advertising products; advertisers can label and disclose other assets themselves. It launched on 9 July 2026 according to trade press.
Does Google reject unmarked AI ads or images?
Nothing on Google's pages says so. Both features disclose. Google's own generative tools embed SynthID watermarks and C2PA metadata; for outside tools the ad disclosure relies on the advertiser's declaration.
Where is a visible AI label required on ads?
Trade press reports a visible on-ad label is mandatory in the EU, India and New York; Google's help page does not say, so this is UNVERIFIED.

Related

Sources

  1. Google, How we're increasing transparency for gen AI content with the C2PA (17 September 2024) — read 12 October 2026
  2. Google My Ad Center Help, AI transparency in ads — read 12 October 2026
  3. ppc.land, Google adds How this ad was made AI labels 24 days before EU deadline (secondary, for the 9 July 2026 launch date) — read 12 October 2026