An open authorship standard for AI-era content.
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[m] Human Made — Conceived and produced by people
[m/a] Human Designed, AI Made — Human creative direction, AI production
[a] AI Made — Conceived and produced primarily by AI
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The site now covers text, websites, images, video, audio, and physical goods — free client-side tools that run entirely in your browser, plus a verifier that reads back any file's Made Mark label and C2PA Content Credentials. See what's new →
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spec — Full specification (CC0)
icons — Mark icons and assets (CC BY-ND 4.0)
mademark.org — Website source (reference implementation)
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Made Mark is an open specification for content authorship disclosure. It answers the question no existing standard addresses: how was this content made?
The specification is public domain (CC0). The mark icons are openly licensed (CC BY-ND 4.0). The name and logo are trademarked to protect signal integrity.
Website: mademark.org
Contact: hello@mademark.org
Trademark: Filed June 23, 2026 (pending)
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Built independently. Designed for everyone.