Add Watermark to PDF

Protect your PDF files with custom text or image watermarks instantly. 100% Private local RAM processing.

STUDIO WORKSPACE

Drop PDF to begin

100% Private local processing.

SECURE RAM

VISUAL EDIT

PRO OVERLAYS

MASTER GUIDE

How to use thePDF Watermark Studio

Follow our optimized workflow for industrial results.

Upload

Select the PDF document you want to protect.

STEP 01

Text

Enter your watermark text (e.g., 'DRAFT', 'CONFIDENTIAL').

STEP 02

Settings

Adjust opacity to make it subtle and set the position.

STEP 03

Rotation

Use diagonal presets or manual rotation for maximum protection.

STEP 04

Apply

Generate and download your watermarked PDF instantly.

STEP 05

SECURE RAM

WASM SPEED

HD RENDER

Protect Your Intellectual Property

Prevent unauthorized copying and sharing. Our PDF Watermark Tool embeds professional text overlays across all pages, ensuring your ownership is visible on every copy.

Custom Text

Full control over the watermark message. Add your name, company, or copyright notice.

Opacity Control

Make watermarks translucent so they don't block the main content while remaining visible.

100% Private

Watermarking happens in your browser RAM. Your sensitive docs are never seen by anyone else.