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Syntag

Upload. Tag. Export. Add an AI disclosure to your file in the browser — without uploading the file anywhere.

What it does

Syntag adds disclosure labels to images, video, audio, PDFs and ZIP files. Labels include AI, AI generated and AI modified.

Privacy by design

Files stay yours: the tool processes them locally in the browser rather than sending them to a server.

Designed for clarity

People can choose the label language, theme, position and contrast, making disclosure practical across different formats and contexts.

Try Syntag.eu ↗View the code on GitHub ↗

Syntag is a small intervention for a larger question: how can AI-generated and AI-modified media be made easier to recognise?