What is Original PDF?
The document as authored — drafts, invoices, proofs you want visibly marked before they are final.
Add Watermark to PDF
Add a text watermark to PDF pages
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Add Watermark to PDF
Drop your files here
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How to watermark a PDF
Add your PDF
Drop one PDF onto the page, or click to browse. Encrypted PDFs are rejected up front.
Enter the watermark text
Type the text — Unicode works, so any script you can type is rendered — and adjust size, rotation and opacity.
Download the watermarked PDF
Download the result, named with a -watermarked suffix. Every page carries the same overlay.
Frequently asked questions
Does a PDF watermark protect the document?
No. It is a visible overlay drawn onto the pages — anyone can still copy, edit or reprint the text underneath. Unlike PDF permissions (which can also be stripped), an overlay adds no restrictions at all. It marks; it does not secure.
Do I have to upload my PDF?
No. Watermarking runs entirely in your browser — the file never leaves your device.
Will forms and bookmarks survive?
Not necessarily. The watermarked file is rebuilt by copying pages, and page-copy operations can drop interactive form fields and bookmarks/outline entries. Check the result if your PDF has either.
What about password-protected PDFs?
Encrypted (password-protected) PDFs are rejected — the tool does not ask for or handle passwords.
What are the limits?
Files up to 25 MB and 200 pages.
Text overlays on PDF pages
Here is what each format is for, and when converting a PDF with a text watermark is the right move.
What is Watermarked PDF?
The same pages with your text drawn over each one. The overlay is part of the page content, so it prints and displays everywhere without extra software.
When you need it
Watermark drafts, proofs and confidential previews you share before sign-off. Be honest about the limit: an overlay is a visible deterrent, not security — the underlying text stays copyable. For genuine restrictions you need the recipient’s cooperation or a DRM system, not a stamp.