# Watermark PDF for tax preparers

_Updated July 2026 · Arthize · https://arthize.com/for/tax-preparers/watermark-pdf_

Arthize lets tax professionals add a watermark to a PDF in a private workspace — free, with no watermark. Adding a watermark stamps text or an image — like DRAFT or CONFIDENTIAL — across every page at the opacity and angle you choose.

## Why tax preparers add a watermark to a PDF

A tax preparer merges the return with its schedules and supporting documents into one client file, extracts figures from a PDF form into a worksheet, and password-protects the final package.

**Built for tax returns.** Whether it's tax returns, W-2s and 1099s, schedules, Arthize's watermark pdf keeps the work inside your private workspace. Returns contain Social Security numbers and income data; private processing and deletion are essential.

## What matters when you add a watermark to a 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.

## FAQ

### How do tax preparers add a watermark to a PDF for 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 the file is deleted after the job — which is why tax professionals can use it for tax returns without a confidentiality risk.

### Is it private to add a watermark to a PDF sensitive tax returns?

Yes. Returns contain Social Security numbers and income data; private processing and deletion are essential. Files are processed inside your private Arthize workspace and deleted after the job.

### 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.