# Watermark PDF for students

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

Arthize lets students 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 students add a watermark to a PDF

The night before a deadline, a student merges lecture slides with their notes, compresses a scanned reading under the portal's 10MB limit, and annotates the key pages for revision — free, with no watermark on the result.

**Built for lecture slides.** Whether it's lecture slides, readings, assignments, Arthize's watermark pdf keeps the work inside your private workspace. Students often work on shared or library computers; a tool that processes files privately and deletes them keeps coursework and ID scans out of strangers' hands.

## 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 students 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 students can use it for lecture slides without a confidentiality risk.

### Is it private to add a watermark to a PDF sensitive lecture slides?

Yes. Students often work on shared or library computers; a tool that processes files privately and deletes them keeps coursework and ID scans out of strangers' hands. 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.