PrivateMark: Photo Watermark

By Jose Antonio Blaya Garcia on AppTrack Ninja.

Hide photos, watermark PDFs

PrivateMark turns any photo or document you share into a copy you can trace. Before you send a file, it weaves in an invisible watermark that's unique to each recipient — entirely on your device. If that file ever leaks, feed the copy you found back to the app and it tells you exactly whose copy it was, with statistical confidence. No servers. No accounts. Nothing ever leaves your device. — HIDDEN PHOTO — Send a photo that everyone sees as an ordinary cover image. Your trusted contact opens it in PrivateMark and sees the real photo you actually sent — nobody else can, because it's protected w…

Categories: Utilities, Photo & Video

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