PDF studio

Watermark PDF

Add a text stamp with position, color and opacity controls.

How to use
Free. Always.Inputs stay in your browserNo sign-up

Your saved tools stay in this browser.

Watermark PDF — workspace

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How to use: Watermark PDF

  1. Choose local files or try the sample PDF. Your documents stay on your device.

  2. Enter watermark text, select pages and adjust text size, position, color and opacity using the preview.

  3. Create the result, check its preview, then download individual files or the ZIP archive.

What you can do

  • Add a text stamp with position, color and opacity controls.

What you get

  • A new PDF download; your original file remains unchanged.

What you need

Local files
One PDF document.
Settings
Enter watermark text, select pages and adjust text size, position, color and opacity using the preview.

Try an example

Example workflow
Place “DRAFT” at the center of all four sample pages with reduced opacity.
Try it in the tool

Good to know

  • Up to 50 MB per file, 100 MB per job and 200 total pages. Multi-file tools accept at most 30 files.
  • Keep the original document. Editing an existing digitally signed PDF can invalidate its certificate signature.

Your work stays on your device

Your files and entered values are processed in your browser and are not uploaded for processing. The website and any required processing engines still download from the site.

Questions & answers

Is Watermark PDF free?

Yes. Watermark PDF is free to use and does not require an account.

Are my files or entered values uploaded?

Your files and entered values are processed in your browser and are not uploaded for processing. The website and any required processing engines still download from the site.

What result can I save?

A new PDF download; your original file remains unchanged.

What should I check before using the result?

Up to 50 MB per file, 100 MB per job and 200 total pages. Multi-file tools accept at most 30 files. Keep the original document. Editing an existing digitally signed PDF can invalidate its certificate signature.

Keep going with another tool

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