# Watermark PDF for nonprofits

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

Arthize lets nonprofit and NGO teams 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 nonprofits add a watermark to a PDF

A nonprofit merges its narrative report with financial statements into one grant submission, signs the board approval remotely, and compresses the package to meet a funder's upload limit — free.

**Built for grant reports.** Whether it's grant reports, financial statements, board minutes, Arthize's watermark pdf keeps the work inside your private workspace. Donor and beneficiary data is sensitive; nonprofits need private processing without a costly subscription.

## 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 nonprofits 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 nonprofit and NGO teams can use it for grant reports without a confidentiality risk.

### Is it private to add a watermark to a PDF sensitive grant reports?

Yes. Donor and beneficiary data is sensitive; nonprofits need private processing without a costly subscription. 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.