Lab workspace · watermarking
Watermark in this tab
Pick a local PNG or JPEG, embed a short payload, download the result — or extract from a watermarked image. Runs on your machine. Lorca does not receive the image.
Checking key… Open Lab
Carrier image
bundle open-secrets.browser.js · eval-only · hash stays local
No image yet
Signs a 64-character SHA-256 in your Xaman wallet. The file stays on this machine.
Embed first
Back to Lab · Product brief · Studio proof on /demo (different door)