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v1 is in long-term maintenance and continues to receive compatibility, security, and critical bug fixes. See the v2.

Add a confidential watermark online

Start with a readable tiled preset, change the wording or density, and export a shareable review copy.

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01

Choose an image

02

Settings

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Need every option and generated code? Open the SDK playground →

A visible warning, not access control

Section titled “A visible warning, not access control”

A confidential watermark discourages casual redistribution and makes context obvious. It does not encrypt the image, prevent screenshots, or revoke an already downloaded copy. Use normal authorization and document controls for sensitive material.