Toolkit Logo

Watermark PDF

Add text watermarks to PDF files online for free. Customize position, opacity, rotation, and font size without reducing PDF quality. Fast, free, and completely private.

Click to select file

or drag and drop it directly here

Supports: PDF, APPLICATION/PDF
Max file size: 50MB
100% Private
Browser Based
No Signup Required
Free Forever
Secure Processing
Advertisementin-content Ad Slot

How to use Watermark PDF

1

Upload File

Select or drag & drop your file into the secure upload area above.

2

Process

Our powerful servers or your browser will process the file instantly.

3

Download

Save your optimized file securely. It will be deleted from our servers.

Key Features

  • Lightning Fast: Results are generated almost instantly using state-of-the-art tech.
  • 100% Free: No hidden costs, no premium tiers, and no subscriptions required.
  • No Registration: Start using the tool immediately without providing an email address.
  • Secure & Private: Files are processed locally or deleted immediately from our secure servers.

Frequently Asked Questions

Is this Watermark PDF tool free?

Yes, our Watermark PDF tool is completely free to use.

Can I add a text watermark to every page?

Yes, the text watermark is automatically applied to every page in your PDF document.

Can I choose watermark position?

Yes, you can place the watermark in the center or in any of the four corners.

Can I adjust watermark opacity?

Yes, you can choose between low, medium, and high opacity levels to ensure your underlying text remains readable.

Can I rotate the watermark text?

Yes, you can keep the text horizontal or rotate it 45 degrees in either direction.

Will watermarking reduce PDF quality?

No, we add the watermark directly into the existing PDF structure. We never rasterize or reduce the quality of your original pages.

What is the maximum PDF size?

The maximum supported PDF size is 50MB.

Can I watermark password-protected PDFs?

No, we cannot edit encrypted or password-protected PDFs. Please unlock them first.

Are my files stored?

No, all files are processed securely and deleted automatically from our servers right after processing.

Does this work on mobile?

Absolutely! Our Watermark PDF tool works flawlessly on all mobile devices and tablets.