Watermark PDF
Add a text watermark to every PDF page.
Place a repeated diagonal text mark on every page with the opacity you choose.
Private by design
Ordinary document processing happens in browser memory. The document is not intentionally uploaded to our application server, so there is no server copy of the file to delete.
No account required
Choose a supported file, complete the task, download the result, and keep control of the original.
How to use it
- 1Choose Watermark and select a PDF.
- 2Enter the text and opacity.
- 3Download and inspect every marked page.
What it does well
- Applies consistent text to all pages.
- Keeps processing on your device.
- Creates a separate output copy.
Important limitations
- A visual watermark is not access control.
- It may overlap important content.
- Rotated pages need careful review.
Frequently asked questions
Is the document uploaded?
No. This ordinary tool is designed to process the selected file in browser memory and does not intentionally send document content to our application server.
Does a watermark stop copying?
No. It is a visual notice, not encryption, rights management, or proof of ownership.