PDF watermark

Adds a diagonal, semi-transparent watermark text to every page.

How to use it

  1. Add your file or enter your values.
  2. Adjust the options if needed.
  3. Run it: the result appears at once and stays on your device.

FAQ

What is PDF watermark for?

Adds a diagonal, semi-transparent watermark text to every page.

How do I use PDF watermark?

1. Add your file or enter your values. 2. Adjust the options if needed. 3. Run it: the result appears at once and stays on your device.

Does PDF watermark change the file's quality?

Depending on the quality level, lossy compression can slightly reduce quality.

Are my files uploaded to a server?

No, everything runs locally, your files never leave your device.

Is PDF watermark free and unlimited?

Yes, no signup, no usage limit.

Which browsers are supported?

All modern browsers, on desktop and mobile.

Is PDF watermark fast, even with large files?

Processing happens on your own device: speed depends on its power and the file size (a few minutes for a long video).

Does PDF watermark work offline?

After a first visit, most tools keep working without a connection.