AddawatermarktoaPDF
Mark a document before it circulates. The watermark is drawn across the middle of every page at the opacity you set, so it reads clearly without burying the content underneath.
or drop it here — nothing is uploaded
How it works
- 01Add the PDF.
- 02Type the watermark text and set its size, angle and opacity.
- 03Stamp it and download the marked file.
This tool runs entirely on your device. Your file is never sent to a server — disconnect from the internet and it still works.
Questions people ask
Around 15% is the standard: obvious enough to read at a glance, faint enough to read the page through. Push to 30% if the document will be printed on an office laser printer.
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