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Per-viewer watermarking

Every viewer sees the same document carrying their own identity. If a page turns up somewhere it should not, the mark on it says who opened it.

Available on
Business and above
Applied
At view time, per viewer
Covers
Documents opened through a shared link

What it does

Watermarking stamps each viewer's identity onto the document they see, discouraging a screenshot from circulating without a trace back to who opened it.

Because the mark is tied to the viewer rather than to the file, two people opening the same document do not see the same page. One leaked screenshot is therefore attributable, which is the point: the deterrent is knowing the copy is identifiable, not preventing the screenshot itself.

Why it pairs with the access gate

A watermark identifies a viewer you have already identified. That is why it works alongside the verified-email gate and one-time codes rather than instead of them: the gate establishes who is opening the room, and the watermark carries that identity onto the page.

On a link opened by an unverified visitor there is less to stamp, so the two features are worth turning on together when the document genuinely matters.

What it does not do

It deters and attributes. It does not prevent a photograph of a screen, and no watermark can.It marks what a viewer sees through a shared link. It is not a persistent restriction that travels with a downloaded file, so withhold download permission where attribution must persist.Screenshot deterrence is a separate control, and the two are worth using together.

Questions

Per-viewer watermarking, answered

Yes. The mark carries the identity of the person viewing, so the same document opened by two people produces two distinguishable pages.

The watermark is applied to the shared-link preview. Member roles include viewer with download, so where attribution must persist, do not grant download permission.

Business and above. The free and Pro plans include the access controls, including verified-email gating and link expiry, but not per-viewer watermarking.

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