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

Upload your PDF, type your watermark text or upload an image, customize its appearance, and download your watermarked PDF.

Can I add a CONFIDENTIAL watermark to a PDF?

Yes! Type "CONFIDENTIAL" in the text field, set it to diagonal, and apply it across all pages.

Can I add my company logo as a PDF watermark?

Yes! Upload your logo image (PNG with transparency works best) and position it anywhere on your pages.

Can I control the transparency of the watermark?

Yes! Use the opacity slider to set the exact transparency level, from barely visible to fully opaque.

Does the watermark appear on all pages?

You can choose to apply the watermark to all pages or only select specific pages.

Add Watermark to PDF Online Free

Protect your PDF documents from unauthorized redistribution by adding custom text or image watermarks. Our free PDF watermark tool lets you stamp any PDF with custom text like "CONFIDENTIAL", "DRAFT", your company name, or any image. Control the size, opacity, position, and angle of the watermark. No signup, no watermark added by us.

Drag & drop your PDF or browse

100% PrivateFiles stay in browser

InstantClient-side processing

No Sign-upFree & unlimited

How to Add Watermark

1
Upload the PDF you want to add a watermark to.
2
Choose text watermark (type your text) or image watermark (upload your logo).
3
Customize the watermark position, size, opacity, and rotation angle.
4
Preview the watermark on your PDF pages.
5
Click "Apply Watermark" and download your stamped PDF.

Key Features

Text or Image Watermarks – Add any text message or upload a logo/image as watermark.

Opacity Control – Set transparency from barely visible to fully opaque.

Rotation Angle – Rotate the watermark to any angle including diagonal placement.

Position Control – Place watermark at center, corner, or any custom position.

All Pages or Specific Pages – Apply to all pages or select specific page ranges.

No Signup Required – Free PDF watermark tool with instant download.