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📄 Modification Tool

Add Text Watermark to PDF

Stamp your PDF documents with custom text watermarks such as Confidential, Draft, or Company Name. Fully private, browser-based processing.

Custom Watermark Text
Adjust Opacity & Position
Works on All Pages
100% Client-Side Processing

Protect Documents with Visible Ownership

Watermarks are essential for marking ownership, confidentiality, or draft status on PDF documents. They discourage unauthorized sharing and misuse.

Our tool applies watermarks directly in your browser, ensuring your sensitive documents are never uploaded or stored externally.

Add consistent watermarks across all pages with adjustable styling while preserving the original content and layout.

Quick Instructions

  1. 1

    Upload PDF

    Select the PDF document you want to watermark.

  2. 2

    Customize Text

    Enter watermark text and adjust appearance settings.

  3. 3

    Apply & Download

    Download the watermarked PDF instantly.

Technical Details

  • ProcessingClient-Side (WASM)
  • EncryptionRC4 128-bit (Optional)
  • Output FormatPDF 1.7
  • Privacy100% Offline
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