Add Watermark to PDF Free Online

Add text or image watermarks to your PDF documents. Free, secure, and works entirely in your browser.

or click to browse files

PDF files up to 100 MB • Up to 100 pages

Custom Text

Adjustable Opacity

Multiple Positions

All Pages

Files processed in your browser — never uploaded to our servers

Select or drag and drop your PDF file to get started

Set text, color, opacity, and position with live preview

Get your watermarked PDF applied to all pages instantly

How to Add Watermark to PDF

1
Upload your PDF
Drag and drop or click to select your PDF file.
2
Configure your watermark
Add text or upload an image. Adjust position, opacity, rotation, and size.
3
Download your watermarked PDF
Click download to save your PDF with the watermark applied.

Files never leave your device. All processing happens locally.

Text or image watermarks with full control over position and style.

Use the tool immediately. No account or registration needed.

Sign it legally with Kovasign. No accounts required for signers.