Step by step guide
How to Add a Watermark to a PDF (Free)
Stamp text like CONFIDENTIAL or DRAFT across every page of a PDF, all in your browser.
Open the Watermark PDF tool- 1
Open the Watermark PDF tool
Go to the IYONM Watermark PDF page.
- 2
Add your PDF
Select the file you want to watermark.
- 3
Customize the text
Set the words, size, color, opacity, and angle.
- 4
Download
Save your watermarked PDF.
Tip: Lower the opacity for a subtle background watermark.