Watermark PDF
Stamp a text watermark on every page.
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How to Watermark PDF
- Upload your .pdf file.
- Set up the edit exactly how you want it with the live preview.
- Apply the change and download the result.
Frequently asked questions
Is Watermark PDF free to use?
Yes — Watermark PDF is completely free on File Master, with no sign-up required and no watermarks added to your files.
Do I need to install any software?
No installation is needed. Watermark PDF runs entirely in your browser — just upload a file and download the result.
What file formats are supported?
You can upload .pdf files and get PDF as output.
Is it safe to process my files with File Master?
Yes. Files are transferred securely and are automatically deleted from our servers after a short retention window.