How do I add a watermark to a PDF for free?

Upload your PDF to lnpdf, type your watermark text or upload an image, adjust opacity, angle, and position, then download the watermarked file — all free.

Can I add an image watermark like a company logo to a PDF?

Yes. lnpdf supports both text and image watermarks. Upload your logo or any image and place it on every page with adjustable size and transparency.

Can I apply a watermark to specific pages only?

Yes. lnpdf lets you choose whether to apply the watermark to all pages, odd pages, even pages, or a custom page range.

Will the watermark be removable by others?

lnpdf flattens the watermark into the PDF so it becomes part of the page content and cannot be easily removed by recipients.

Watermark

Place a text or image watermark on your PDF. Control opacity, angle, and position.

or drop your file here

Your files never leave your browser. Nothing is stored on our servers.

How to Watermark

Upload your file

Select the file you want to process.

Watermark

We'll process your file automatically with our tool.

Download

Download your processed file instantly for free.

Watermark Features

Add text or image watermarks to any PDF
Control opacity, rotation angle, size, and position
Apply watermarks to all pages or a specific page range
Choose from preset options like "Confidential" or "Draft"
Watermarks are flattened into the PDF for security

Frequently Asked Questions

Related Tools

Watermark Online

Add watermarks to PDF files online for free. Apply custom text or image stamps with full control over placement. Everything runs in your browser — no uploads, no signups, no installs. Works on any device — desktop, tablet, or phone.