page-steganography

Hides an invisible watermark in a webpage, decodable from any screenshot

Pluginfree

page-steganography is a free, open-source JavaScript library that embeds an invisible watermark across a webpage, which can be decoded from any screenshot of that page — even a cropped or edited one — and can flag which regions were altered. It's built for website owners who want to trace leaked screenshots back to their source.

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Problem & pain-point mapping
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What it's a strong alternative to
Trust & credibility signals

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