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Is it private and safe to add a watermark to a PDF online?
Updated July 2026
Yes. When you add a watermark to a PDF in Arthize, the file is processed inside your private workspace and deleted after the job — never sold or used to train models. A watermark can be text or an image applied across every page.
Answer
Yes. When you add a watermark to a PDF in Arthize, the file is processed inside your private workspace and deleted after the job — never sold or used to train models. A watermark can be text or an image applied across every page.
More about watermark pdf
A watermark can be text or an image applied across every page.
Opacity and angle control how prominent the mark is.
Watermarks are useful for marking drafts and confidential copies.
How to add a watermark to a PDF
- 1
Open the watermark tool
Sign in and open the Watermark tool.
- 2
Add your PDF
Upload the document to stamp.
- 3
Design the watermark
Set the text or image, opacity, angle and position.
- 4
Download
Get a watermarked PDF.
Common questions
- How do I add a watermark to a PDF?
- Adding a watermark stamps text or an image — like DRAFT or CONFIDENTIAL — across every page at the opacity and angle you choose. On Arthize it's free with no watermark and processed privately.
- Can I add a CONFIDENTIAL stamp to every page?
- Adding a watermark stamps text or an image — like DRAFT or CONFIDENTIAL — across every page at the opacity and angle you choose. On Arthize it's free with no watermark and processed privately.
- Is adding a watermark free?
- Adding a watermark stamps text or an image — like DRAFT or CONFIDENTIAL — across every page at the opacity and angle you choose. On Arthize it's free with no watermark and processed privately.
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