⚠ Output is always PNG — JPEG re-compression destroys hidden data. Hiding ≠ encrypting: use a passphrase below for real AES-256-GCM protection, not just obscurity.
HIDE
REVEAL
Click to choose a cover image, or drag one here
Load a cover image to see capacity.
Amplified ×40 so the change is visible here — at normal viewing the two images are indistinguishable.
Click to choose an image to check, or drag one here