Embed an invisible trace watermark

Embed a short random locator into the pixels without adding visible text. The output and record are created in this browser.

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No upload · processing stays in this browser

01

Choose an image

↥Choose an imageUses the built-in sample until you choose a file

02

Settings

Short locator (1–12 bytes)

Demo key (at least 16 bytes)

Embed invisible watermarkDownload imageDownload local record

Live result

Result preview

Ready

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Use locators, not personal data

Keep the payload short and opaque, then resolve it to a recipient or record in your own protected database. The demo key is visible to browser code and is not suitable for production. A positive trace later confirms an authenticated locator, not ownership or an unedited file.