Watermark PDF

Add custom text watermarks with custom opacity, rotation, and colors to your PDFs.

Processing Architecture: Client-Side (Processed locally in your web browser with zero server uploads)

How to Use Watermark PDF

  1. Step 1: Upload PDF

    Select the document you wish to watermark.

  2. Step 2: Customize Watermark

    Type your text (e.g. 'CONFIDENTIAL'), choose color, opacity, angle, and size.

  3. Step 3: Download Watermarked PDF

    Save your branded and protected PDF document.

Key Features & Capabilities

  • Custom text, size, color, opacity, and rotation controls
  • Position watermark over or under existing page content
  • Live settings adjustment

Specifications & Limits

  • Supported Formats: .pdf, application/pdf
  • Max File Size: 50 MB
  • Batch Processing: Single Item
  • Free Tier Limit: Up to 50MB files

Frequently Asked Questions

Can watermarks be easily removed?

The watermark is permanently embedded as a native PDF vector stream.

Can I customize the watermark angle and opacity?

Yes, you have full control over the rotation angle, transparency, and font size.

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