# Add Watermark to PDF

> Stamp text across every page of a PDF — for drafts, confidential copies and proofs.

To watermark a PDF, add the file and enter your text. It is stamped on every page at the opacity, size, angle and colour you choose. The watermark is drawn into the page content, so it cannot be toggled off in a viewer — but it is not a security control.

**URL:** https://convertto.tech/t/watermark-pdf
**Category:** PDF Tools (https://convertto.tech/c/pdf-tools)
**Privacy:** Runs entirely in the browser; no upload
**Cost:** Free, no sign-up
**Last updated:** 2026-08-01

## Key facts

- **Privacy:** Runs entirely in your browser — nothing is uploaded
- **Cost:** Free, unlimited, no sign-up

## How to use

1. Select your pdf file — the file stays on your device and is never uploaded.
2. Enter or paste your watermark text.
3. Choose the position.
4. Set the horizontal position.
5. Set the vertical position.
6. Set the opacity.
7. Set the font size.
8. Set the angle.
9. Pick the colour.
10. Press Run, then download the result when it is ready.

## FAQ

### Can the watermark be removed?

It is drawn into the page content rather than added as a removable annotation, so a viewer cannot toggle it off. A determined person with editing software can still remove it — treat this as a deterrent, not protection.

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