protect
Add a watermark to a PDF
Tile a faint mark — confidential, draft, your name.
Drop files on the sheetPDF, Word, images, sheets — they stay on this device.
Guide
About Watermark
Stamp a large diagonal text watermark, such as CONFIDENTIAL, DRAFT, or your name, across the center of every page. You choose the words and how faint they appear.
How to use Watermark
- Drop your PDF onto the sheet.
- Type the watermark text and set its opacity.
- Press Run and download the watermarked PDF.
Frequently asked questions
- Can I use accented or non-Latin letters?
- Not at the moment. Only basic English letters, numbers, and punctuation are kept; any other character appears as a question mark.
- Can I use an image or logo as the watermark?
- Not yet. The watermark is text only.
- Can someone remove the watermark?
- It is drawn into the page content, so it is harder to strip than a comment, but a determined person with a PDF editor can still remove it. Treat it as a label, not as protection.