Watermark
Add overlay text to every page of your PDF.
How to add a watermark to a PDF online
Upload the PDF you want to watermark
Drag your file or click to select it from your computer.
Write the text and adjust the style
Enter the watermark text (for example, "Confidential" or your company name) and choose your preferred opacity and font size.
Apply the watermark and download
The watermark is automatically added to every page of the document. Download the resulting PDF — the process is 100% private, with your file never uploaded to any server.
Why add watermarks to your PDFs on PDFDocks?
Watermarks protect your documents—they mark ownership, confidentiality, or draft status. Adding watermarks online usually requires uploading to a server. PDFDocks adds watermarks directly in your browser using JavaScript. Your files stay on your device, and the process is instant.
Can I add text or image watermarks?
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PDFDocks supports text watermarks. You can customize the text, font, opacity, and angle.
Can I watermark specific pages?
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Yes. You can apply watermarks to all pages or select specific ranges.
Will the watermark be transparent?
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You control the transparency. PDFDocks lets you adjust opacity so the watermark is visible but doesn't obscure content.
Is my document private during watermarking?
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Yes, absolutely. All watermarking happens locally in your browser. Files never leave your device.
Can I remove or edit a watermark later?
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Yes, you can add another watermark or re-download the original. The watermarking tool gives you full control.
Do I need software or plugins?
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No. PDFDocks runs entirely in your browser. No software installation or registration needed.
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