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添加水印

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How to add a watermark

1

Upload your PDF

Select or drop the PDF file you want to watermark.

2

Configure your watermark

Pick text or image, set position, opacity, rotation, and pages to watermark.

3

Process & download

Apply the watermark and download the resulting PDF.

继续使用工作流程

选择要继续的工作流程

Workflow 当前步骤: 1

Add Watermark to PDF Online Free

Add text or image watermarks to your PDF documents for free. Protect your content with custom watermarks, adjust opacity, position, and rotation. No registration required.

PDF Watermark Features

T

Text Watermarks

Add custom text with configurable font size, color, opacity, and rotation angle.

I

Image Watermarks

Upload your logo or image and add it as a watermark with adjustable scale and opacity.

P

Flexible Positioning

Place watermarks in 9 positions or tile across the entire page for maximum protection.

C

Page Selection

Apply to all pages, specific ranges, or odd/even pages only.

When to Add Watermarks?

  • Protect draft documents from unauthorized distribution
  • Add company branding to official documents
  • Mark confidential or sensitive documents
  • Add copyright notices to creative works
  • Create sample or preview versions of documents

Frequently Asked Questions

Can watermarks be removed?

Watermarks added with this tool become part of the PDF content. They cannot be easily removed, providing effective document protection.

What image formats are supported?

We support PNG (recommended for transparency), JPG, and GIF image formats for watermarks.

Will the watermark affect print quality?

No. Watermarks are added as vector elements (text) or high-quality images, ensuring crisp printing.

Can I preview before applying?

Yes. The preview panel shows exactly how your watermark will appear on the document before processing.

Add Watermark to PDF Online Free

Add text or image watermarks to your PDF documents for free. Protect your content with custom watermarks, adjust opacity, position, and rotation. No registration required.

PDF Watermark Features

Text Watermarks

Add custom text with configurable font size, color, opacity, and rotation angle.

Image Watermarks

Upload your logo or image and add it as a watermark with adjustable scale and opacity.

Flexible Positioning

Place watermarks in 9 positions or tile across the entire page for maximum protection.

Page Selection

Apply to all pages, specific ranges, or odd/even pages only.

When to Add Watermarks?

Frequently Asked Questions

Can watermarks be removed?

Watermarks added with this tool become part of the PDF content. They cannot be easily removed, providing effective document protection.

What image formats are supported?

We support PNG (recommended for transparency), JPG, and GIF image formats for watermarks.

Will the watermark affect print quality?

No. Watermarks are added as vector elements (text) or high-quality images, ensuring crisp printing.

Can I preview before applying?

Yes. The preview panel shows exactly how your watermark will appear on the document before processing.

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