PDF Watermark, Add text or logo to PDF, free online
Add text or image watermarks to your PDF files, with adjustable transparency, position, and font size. 100% free, no registration, GDPR-compliant.
How it works, Add watermark in 3 steps
Customize watermark
Enter your text and choose position and transparency.
Customize watermark
Enter your text and choose position, font size, and transparency. The live preview instantly shows you how your watermark will look.
Download
Download your PDF with the watermark. The watermark automatically appears on all pages of your document.
PDF watermark, Label and protect documents
With the watermark tool from PDF Monster, you can add custom text watermarks to your PDF files. Whether "CONFIDENTIAL", "DRAFT", your company name, or a copyright notice, the watermark appears semi-transparent on all pages and clearly labels your document. This protects your content from unauthorized distribution and makes it immediately clear which version of a document it is.
Transparency, font size, and position can be individually adjusted. You see the result in real-time in the preview before downloading the PDF. The entire process works directly in the browser, without software installation, without registration, and fully GDPR-compliant. Your files are automatically deleted from our servers after processing.
Your data is safe with us
Data security is our top priority at PDF Monster. We know you trust us with confidential documents, and we take that responsibility seriously.
Encrypted transfer
All data is transmitted via a 256-bit SSL-encrypted connection. Third parties cannot access your files during upload.
Automatic deletion
After processing, your files are automatically removed from our servers. No copies are left behind.
No sharing with third parties
Your documents are never shared with third parties, not used for advertising, and not permanently stored.
Servers in the EU
Processing takes place on servers in Germany. Compliance with GDPR and European data protection standards is guaranteed.
Typical use cases for PDF watermarks
Mark as confidential
Label internal documents, strategy papers, and sensitive reports with a "CONFIDENTIAL" watermark. This makes it immediately clear that the document is not intended for distribution.
Mark as draft
Mark drafts and preliminary versions with a "DRAFT" watermark. This avoids confusion with the final version and ensures no one mistakes a draft for the finished document.
Add logo
Place your company name or brand as a watermark on all pages. This strengthens your brand identity and clearly labels documents as originating from your company.
Copyright protection
Add a copyright notice as a watermark to protect your intellectual property. Particularly useful for e-books, whitepapers, photos, and creative works that you distribute digitally.
Company stamp
Use your watermark as a digital company stamp on invoices, quotes, and business letters. This gives your documents a professional and official character.
Document classification
Classify documents by confidentiality levels such as "INTERNAL", "SECRET", or "PUBLIC". This supports information security and helps employees identify the correct handling of the document.
Why use PDF Monster for watermarks?
Custom text
Any text as watermark - CONFIDENTIAL, DRAFT, your name...
Adjustable transparency
Set the opacity - from subtle to clearly visible.
100% Secure
SSL encryption, automatic deletion after 1 hour.
All pages
The watermark automatically appears on all pages.
Frequently asked questions about PDF watermarks
Can I use text or images as a watermark?
Yes, both are possible. Text watermarks are suitable for "Confidential" or "Draft", while image watermarks are ideal for logos.
Can I choose the position?
Yes, you can individually adjust the position, size, rotation, and transparency of the watermark. Popular positions include diagonally across the page or in a corner.
Is the watermark displayed on all pages?
You can choose whether the watermark appears on all pages, only on the first page, or only on specific pages.
Can I change the font?
Yes, various fonts, sizes, and colors are available. You can perfectly match the watermark to your corporate design.
Can the watermark be removed?
No, the watermark is permanently embedded in the PDF and cannot be easily removed. This protects your documents from unauthorized use.
Add PDF watermarks online, no software, directly in your browser
PDF Monster offers a complete suite of free PDF tools. Besides the watermark tool, you can also add page numbers to your PDF, edit documents with the PDF editor or password-protect your PDFs. All tools run directly in your browser, are GDPR-compliant and require no installation or registration.