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Watermark PDF: text or logo, diagonal or tiled

To watermark a PDF, type the text (CONFIDENTIAL, COPY, your company name) or pick a logo, set the position, angle and opacity, and check the page before downloading. The file never leaves your device, and the mark can go over the content, under the text or be burned into the page image.

The PDF never leaves your device

PDF and the watermarked page

Everything happens in this tab; your PDF stays the same and a new file comes out.

How the watermark looks

Watermark made of

Latin letters only (accents included), digits and punctuation: those are the ones the standard PDF fonts can draw.

Font

Colour

A rectangle around the text, in the same colour, like a PAID or RECEIVED stamp.

Where

Centre of the page

Copies side by side across the page, with half a copy of space between them.

Angle

100% is the largest that fits the page with a 10 mm margin.

Below 30%, the page text stays easy to read.

Layer

Sits over the page text and images, scanned pages included. Form fields and annotations stay on top of the watermark, unless it is burned into the page image.

Each page becomes a 200 dpi picture with the watermark: nobody can remove it in a PDF editor, but the text is no longer selectable and the file grows. Up to 100 pages.

Missing: the PDF.