AI labelling obligation: check your website in 20 seconds
See which of your images still carry provenance marking, which have lost it, and whether your chatbot is identifiable as an AI. With a preview of every image checked. Free, no sign-up.
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- Servers in Frankfurt
Key facts
- The transparency obligations in Article 50 of the AI Act, Regulation (EU) 2024/1689, apply from 2 August 2026.
- Generative systems already on the market before that date have until 2 December 2026 to meet the machine-readable marking requirement of paragraph 2.
- Website operators are normally deployers under the regulation, not providers. Their duty is the visible disclosure of paragraph 4, not the machine-readable marking of paragraph 2.
- Infringements of the transparency obligations carry fines of up to 15 million euros or 3 per cent of total worldwide annual turnover, whichever is higher.
- The marking is expected in the DigitalSourceType field, either in a C2PA manifest or in the file's IPTC/XMP metadata.
What gets checked
- Image provenance: C2PA manifests and the IPTC DigitalSourceType field, where the AI Act expects machine-readable marking to live.
- Visible labelling: is there a notice next to the image that a visitor can read?
- Chatbots under Article 50(1): which chat system is embedded, and is it an AI agent?
- AI policy: is a policy linked, does an ai.txt or llms.txt exist?
What the check cannot do
It does not detect AI images. No server-side check can. It reads only what the generating software wrote into the file. Missing marking does not show that an image came from an AI, only that the marking is missing. This check is not legal advice.
Frequently asked questions
- When does the AI labelling obligation apply?
- The transparency obligations in Article 50 of the EU AI Act apply from 2 August 2026. Generative systems already on the market before that date have until 2 December 2026 to meet the machine-readable marking requirement.
- Do I have to label AI-generated images on my website?
- As a deployer you fall under Article 50(4). Disclosure is mandatory for deepfakes, meaning image, audio or video content that convincingly depicts real people or events. For AI-generated text the duty applies where it is published to inform the public on matters of public interest. Content subject to substantive human editorial review is exempt. A purely decorative AI stock image usually falls outside the duty, but labelling it is still the safe route.
- Who has to apply the machine-readable marking?
- Under Article 50(2) it is the provider of the generative system, such as OpenAI, Adobe or Google, not you as a site operator. It still matters to you in practice: most image CDNs and optimizers strip metadata on delivery and remove the marking the provider applied.
- How high are the fines?
- Infringements of the transparency obligations carry fines of up to 15 million euros or 3 per cent of total worldwide annual turnover, whichever is higher. Proportionality is taken into account for small and medium-sized enterprises.
- Does my chatbot have to disclose that it is an AI?
- Article 50(1) requires people to be informed when they interact with an AI system, unless that is obvious. A live chat staffed by humans is not an AI system and does not trigger this duty.
- Is my data stored?
- The check reads only publicly reachable pages and images on your domain. No sign-up is required and no personal data is collected from you.