Free PDF Watermark Online

Add text or image watermarks to your PDF documents. Customize position, opacity, and rotation.

Drop your PDF file here

Upload a PDF to add a watermark

Browse Files

Max 1 file, up to 50.0 MB each

Add professional watermarks to your PDF documents with our free online PDF Watermark tool. Protect your intellectual property, mark documents as confidential, or add your brand identity to reports and presentations. Customize watermark text, position, rotation angle, opacity, font size, and color. Apply watermarks to all pages or specific page ranges. Processing happens entirely in your browser for complete privacy — your documents never leave your device.

How to Use PDF Watermark

Upload or Enter Data

Open the free online PDF Watermark tool and upload your file or enter the required data. No registration or installation needed.

Configure Settings

Adjust the settings and options according to your needs. Preview results in real-time before processing.

Process & Download

Click the process button and download your result instantly. All processing happens in your browser — your files stay private.

Features

Fast Processing

Get instant results with our optimized PDF Watermark engine. No waiting, no queues.

Secure & Private

Your data never leaves your browser. Files are processed locally — 100% private and secure.

Free Download

Download results instantly with no watermarks, no limits, and no sign-up required.

Mobile Ready

Use PDF Watermark on any device. Fully responsive and works perfectly on desktop, tablet, and mobile.

Benefits of Using PDF Watermark

Completely Free

Use PDF Watermark without any cost, limits, or hidden fees. No premium plans needed.

No Installation

Works directly in your browser. No software downloads or plugins required.

100% Private

Your files and data are processed locally. Nothing is uploaded to external servers.

Works Everywhere

Compatible with Chrome, Firefox, Safari, Edge on desktop, tablet, and mobile.

No Sign-Up

Start using the tool immediately. No account creation or email verification.

Always Available

Access this tool 24/7 from anywhere in the world, on any device.

Frequently Asked Questions

Yes, our PDF Watermark tool is completely free to use with no limits, no sign-up, and no hidden fees. Use it as many times as you need.

Absolutely. All processing happens directly in your browser. Your files and data are never uploaded to our servers, ensuring complete privacy and security.

Yes! The PDF Watermark tool is fully responsive and works on all modern mobile devices, tablets, and desktop browsers including Chrome, Firefox, Safari, and Edge.

No installation is required. PDF Watermark runs entirely in your web browser. Just open the page and start using it — no downloads, no plugins, no software needed.