Add Watermark to PDF
Protect your documents by adding text or image watermarks. Fast, free, and secure in your browser.
Drop your PDF file here
or click to browse from your device
How to Add a Watermark to a PDF
Upload Your PDF
Click or drag and drop the PDF you want to watermark into the upload area.
Customize Your Watermark
Type your text watermark or upload a logo image. Adjust opacity, size, and position.
Download Watermarked PDF
Click Apply. Your watermarked PDF is generated in your browser and downloaded instantly.
Secure & Private
Your PDF never leaves your device. All watermarking runs locally in your browser.
Protect Your Documents
Add ownership marks, "CONFIDENTIAL", "DRAFT", or your company logo to any PDF.
Fully Customizable
Use text or an image logo. Control opacity, size, rotation, and placement on the page.
No Account Needed
Add watermarks immediately — no sign-up, no email, no registration required.
Frequently Asked Questions
Is the PDF watermark tool free?
Yes, 100% free. Add watermarks to as many PDFs as you need — no account, no subscription, no limits.
Is my PDF uploaded to a server?
No. All processing happens locally in your browser. Your PDF and watermark content never leave your device — completely private.
Can I add a logo image as a watermark?
Yes. Upload a PNG or JPG logo image as a watermark in addition to or instead of text. Adjust its opacity and position on each page.
Can I control the opacity of the watermark?
Yes. Adjust the watermark opacity from nearly invisible to fully solid to get the right balance for your documents.
Does the watermark tool work on mobile?
Yes. The tool works on iPhone, iPad, and Android in any modern browser — no app to install.