UtilityLake
PDF Tools

Add PDF Watermark

Use Add PDF Watermark free in your browser. No account required; your input is processed locally in your browser.

Runs locallyYour inputs stay in your browser.
Workspace
Drop files here or browse your deviceBrowse files.PDF
HOW IT WORKS

Place a text watermark across every page

Enter watermark text and control its size and opacity before applying it to every page.

PDF + watermark textWatermarked PDFRuns locally
01PDF + watermark text
02Draw watermark
03Watermarked PDF

PDF + watermark text → Draw watermark → Watermarked PDF

01

How to use it

  1. 01

    Choose: PDF + watermark text.

  2. 02

    Set watermark text, font size and opacity.

  3. 03

    Run the tool.

  4. 04

    Download: watermarked.pdf.

GOOD TO KNOW

The watermark is drawn onto each page

The current tool places the watermark diagonally with adjustable opacity, making it part of the resulting page content.

PRIVATE BY DESIGN

Your file stays in the browser

The operation runs locally on your device without requiring the file to be uploaded to UtilityLake.

02

Useful details

Is the original file modified?

No. UtilityLake creates a new result and leaves the original file unchanged.

What is the generated file called?

watermarked.pdf