How to add a watermark to a PDF?

Upload your PDF, enter your watermark text, customize position and opacity, and click Add Watermark. Download your watermarked PDF instantly. All processing happens in your browser.

100% Client-Side • No Data Sent to Server

💧 PDF Watermark Adder

Add customizable text watermarks to your PDF documents. Free, private, and works entirely in your browser.

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Drag & drop your PDF file here

or click to browse (max 50MB)

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Watermark Added!

Watermark has been successfully added to your PDF.

Download Watermarked PDF

Gizlilik ve Güvenlik: Bu araç kişisel kullanım içindir. Verileriniz işlenmez ve hiçbir sunucuya gönderilmez. Tüm işlemler tarayıcınızda client-side olarak gerçekleştirilir.

Sorumluluk Reddi: Bu araç tahmini değerler sunar, profesyonel belge dönüşüm hizmeti değildir.

How to Add Watermark to PDF

Click on the upload area or drag and drop your PDF file.
Enter your watermark text and customize settings - position, opacity, color, and font size.
Preview how the watermark will look on your document.
Click the "Add Watermark" button and download your watermarked PDF.

Frequently Asked Questions

Is this PDF watermark adder free?

Yes, completely free. No signup required, no limits on usage.

Is my data secure?

Absolutely. All processing happens entirely in your browser. Your PDF files never leave your device or get uploaded to any server.

Can I add an image watermark?

Currently, this tool supports text watermarks only. For image watermarks, you may need to use professional PDF editing software.

Can I remove the watermark later?

Watermarks are permanently embedded into the PDF. Keep a copy of your original file if you need a version without the watermark.

What is the maximum file size?

You can add watermarks to PDF files up to 50MB in size.