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Labelling AI images under the EU AI Act

Since 2 August 2026, AI-generated images that are published professionally and could appear real must be visibly labelled as artificially generated. The legal basis is Article 50 of Regulation (EU) 2024/1689. This tool burns the notice straight into the image — free of charge and without your image leaving your device.

In force since
2 August 2026
Legal basis
Art. 50 Regulation (EU) 2024/1689
Affected
Professional and commercial publication
Requirement
Recognisable without technical aids, at first contact
Fine
Up to €15 million or 3% of annual turnover

What has applied since 2 August 2026

Article 50 of the EU AI Act demands transparency for artificially generated content — on two levels. Providers of AI systems must mark their output in a machine-readable way, for example through metadata or watermarks. Deployers — everyone who publishes AI content professionally — must disclose that the content was artificially generated or manipulated.

The decisive point in practice: this disclosure must be perceptible to people, without technical aids, at the latest at first contact with the content. Metadata in the file header therefore does not fulfil the deployer's duty — nobody sees it. This tool burns the notice visibly into the image.

Who it affects

Everyone who publishes AI content professionally or commercially — agencies, brands, editorial teams, freelancers. Purely private use is not covered.

When it has to be visible

Above all when the content could appear real: realistic people, places, events. A recognisably stylised image is judged differently from a photo look.

What makes a good label

Readable at the size at which the image is actually shown. Enough contrast. And placed so that social feed crops do not cut it off.

Legal basis
Art. 50 Regulation (EU) 2024/1689 — transparency obligations for certain AI systems.
Applicable since
2 August 2026. For AI systems that were already on the market before, a transition period until 2 December 2026 applies to the machine-readable marking.
Range of fines
Up to €15 million or 3% of worldwide annual turnover — whichever is higher.
Two levels
Machine-readable (provider's duty, e.g. C2PA Content Credentials) and visible (deployer's duty). This tool covers the visible level.

Labelled in three steps

  1. Drag in an image. JPG, PNG or WebP, several at once if you like. The image stays on your device.
  2. Set the notice. Free choice of text, plus style, position, colour, size and opacity. The preview shows the result immediately in full resolution.
  3. Download. As PNG, JPG or WebP. All at once if there are several images.

Frequently asked questions

Do I have to label AI-generated images?

Yes, if you publish them professionally or commercially and they could appear real. Article 50(4) obliges deployers to disclose deepfakes — images that depict real people, places or events in a deceptively realistic way. Purely private use is exempt, as are recognisably artistic, satirical or fictional works.

Since when has the labelling obligation applied?

Since 2 August 2026. For AI systems that were already on the market before, a transition period until 2 December 2026 applies to the machine-readable marking.

Are metadata or a C2PA watermark enough?

Not for the deployer's duty. The disclosure must be perceptible to people without technical aids, at the latest at first contact with the content. Metadata forms the second, machine-readable level and is aimed primarily at the providers of AI systems.

What does the notice have to say?

The AI Act does not prescribe any wording. Short phrases such as “AI-generated”, “Created with AI” or “Edited with AI” are common and sufficient. What matters is that an average viewer understands that the content was artificially generated or altered.

Where does the notice have to be placed?

The position is not prescribed either. What matters is that the notice is recognisable at first glance, has enough contrast with the image, stays readable at the size shown and does not disappear when social media feeds crop automatically.

What does a violation cost?

Up to 15 million euros or 3 percent of worldwide annual turnover — whichever amount is higher.

Do I have to use the official EU icons?

No. The European Commission provides icons, and their use is expressly voluntary. The labelling itself is mandatory, not its graphic form. Your own clearly readable notice meets the requirement just as well.

Are my images uploaded to a server?

No. The tool runs entirely in the browser on your device. There is no server that receives images, no sign-up and no storage.

Which file formats are supported?

You can drag in anything your browser can display — JPG, PNG, WebP, usually AVIF and GIF too. You can download as PNG, JPG or WebP; WebP is only offered if your browser can actually write it.

Can I label several images at once?

Yes. You can drag in as many images as you like at once, the settings apply to all of them, and you download them one by one or all together.

Note: I am not a lawyer, and this is not legal advice. Whether and how you have to label depends on the specific content, context and audience. For binding information, talk to someone who is allowed to give it.

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