PDF Converters

PDF Watermark

Add a text watermark to your PDF and download the updated file

Add a PDF

Drag & drop a PDF here, or pick a file using the button.

Selected file: No file selected
Files are processed locally in your browser.
  • Non-Latin text (e.g. Japanese) may not render correctly in the MVP.
  • Tiled watermarks can be slow for large PDFs.

Watermark settings

Adjust text, style, and where to apply the watermark.

0.18
-45°

Overview

PDF Watermark adds a text watermark like CONFIDENTIAL, DRAFT, or SAMPLE to your PDF and exports a new file. Processing happens locally in your browser for privacy.

How to use

Upload a PDF

Choose a PDF file or drag & drop it.

Customize watermark

Set text, size, color, opacity, rotation, and position.

Download

Apply the watermark and download the updated PDF.

What users say

Office worker

Added a CONFIDENTIAL watermark before sending a client draft.

Student

Useful for marking study materials as SAMPLE.

Freelancer

Fast and private — runs in the browser.

Features

Text watermark

Add clear labels like CONFIDENTIAL or DRAFT.

Page targeting

Apply to all pages or only specific pages.

Local processing

No uploads — runs in your browser.

FAQ

Can I add an image/logo watermark?

Not yet. MVP supports text watermark only.

Does this work with encrypted PDFs?

If the PDF is password-protected, watermarking may fail and an error will be shown.

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