Add Watermark to PDF Online Free
Stamp text or image watermarks on your PDF — mark drafts, confidential copies, or brand documents. Free, no signup.
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Why Use Our PDF Watermark Tool?
Text & Image Watermarks
Stamp custom text or upload your logo as a watermark.
Opacity Control
Fine-tune visibility so content stays readable.
Draft & Confidential Marking
Clearly label documents before sharing or signing.
How to Add a Watermark to a PDF Online for Free
Upload Your PDF
Select or drag and drop the PDF you want to watermark.
Choose Text or Image Watermark
Enter watermark text (e.g. CONFIDENTIAL) or upload a logo image. Adjust opacity and position.
Apply and Download
Preview the watermark, apply to all pages, and download your stamped PDF.
What's next?
Mark as draft, then add your final signature when ready.
Your Privacy is Our Priority
Secure Processing
All files use 256-bit SSL encryption. Your documents are never shared with third parties.
Automatic Deletion
Uploaded files are deleted immediately after you download the result.
100% Free
No registration, no watermarks on output, and no hidden usage limits.
Works Everywhere
Use on desktop, tablet, or phone — no software download required.
Frequently Asked Questions About PDF Watermark Tool
How do I add a watermark to a PDF online for free?
Upload your PDF, choose text or image watermark, customize opacity and placement, then click Apply and download. No account required.
Can I use my company logo as a PDF watermark?
Yes. Upload a PNG or JPG logo as an image watermark. Adjust opacity so the underlying content remains readable.
Will the watermark appear on every page?
Yes. The tool applies your watermark consistently across all pages in the document for uniform marking.
Is it free to add watermarks to PDF files?
Yes. EasyPDFSign is 100% free — no registration, no credit card, and no watermarks on your output file. You can add watermarks to PDF files as many PDFs as you need.
Is my PDF secure when I use EasyPDFSign?
Yes. All uploads use 256-bit SSL encryption. Files are processed securely and automatically deleted from our servers after you download the result. We never store your documents permanently.
Can I watermark a PDF before signing it?
Yes. Many users watermark drafts as CONFIDENTIAL or DRAFT, then use our Sign PDF tool to add a final signature after review.