Free online steganography, running entirely in your browser. Encrypt a secret, hide it across your own photos, recover it from any 3 — nothing is ever uploaded.
New to this? How to hide text in an image: two ways, and when each one breaks explains what this is doing and where it stops working.
See how it works: your secret is encrypted, split into pieces, and each piece is hidden inside one of your photos. Any 3 of the 5 bring it back. Your photos and your secret stay in this browser — neither is ever uploaded.
This page is a demonstration of the idea, and it uses a simpler format than the real thing: images made here open here, not in the apps, and vice versa. Use the apps for anything you actually need to keep.
🔍 Upload the images from the downloaded ZIP file
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