Add a Watermark to a PDF
Stamp a text or image watermark across every page, with adjustable opacity — processed entirely on your device.
How to use Add Watermark
- 1Drag your PDF (or PDFs) into the upload area, or click to choose files.
- 2Adjust the order, page selection, or compression settings.
- 3Run the tool and download your finished PDF or images.
Why use FileDagadu
- Runs entirely in your browser — nothing is uploaded to a server
- No account, signup, or watermark required
- Works on desktop, tablet and mobile
- Free with no daily usage limit
Frequently asked questions
What is Add Watermark?
Add Watermark is a free online tool from FileDagadu. Stamp a text or image watermark on a PDF. It works directly in your browser, so there is nothing to install.
Is add watermark free to use?
Yes. Add Watermark is completely free, with no signup, no watermark and no daily limit.
Are my files uploaded to a server?
No. Add Watermark runs entirely in your browser, so your files stay on your device and are never uploaded to FileDagadu servers.
Does add watermark work on mobile?
Yes. FileDagadu works in any modern browser on Android, iPhone, tablets and desktop computers — no app needed.
What else can I do with FileDagadu pdf tools?
Browse the related tools below, or explore all FileDagadu tools for images, PDFs, calculators, text and developer utilities.
Related tools
JPG to PDF
Convert JPG images into a single PDF.
PNG to PDF
Convert PNG images into a single PDF.
Images to PDF
Combine multiple images into one PDF file.
PDF to JPG
Turn every PDF page into a JPG image.
PDF to PNG
Turn every PDF page into a PNG image.
Compress PDF
Reduce PDF file size — keep text, or reach an exact size.
