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Add Watermark to PDF Online

Protect, brand, and secure your documents with image watermarks locally in your browser.

Why Secure Your PDF Documents with a Watermark?

Watermarking your files is a reliable method to indicate copyright status, deter unauthorized copying, and visually apply your corporate brand. The Bodoly Add Watermark to PDF utility offers flexible alignments, scale adjustments, and opacity layers to ensure your logo sits non-intrusively behind your document content.

How to Use Our PDF Watermarking Tool

  1. Select or drag your PDF document into the left-hand workspace container.
  2. Upload your watermark logo (PNG or JPEG formats).
  3. Tune your opacity overlay so standard text remains easily legible underneath.
  4. Adjust the scale metric to match your preferred graphic size.
  5. Pick your position alignment (e.g., Center, Bottom Right) and click convert to download.

Features & Benefits of Bodoly PDF Watermarker

  • Safe Client-Side Operations: Calculations execute locally in Javascript. No documents are uploaded to an external web server, maintaining privacy.
  • Transparent Layer Configurations: Finely adjust opacity levels from 10% up to 100%.
  • Responsive Format Support: Embed high-definition PNG logos or JPG backdrops safely.

Frequently Asked Questions (FAQs)

Is my confidential data kept secure?

Yes. The entire processing operation runs inside your web browser. Your source PDF and copyright logos remain completely safe inside your computer.

What file formats do you support for watermarks?

Our tool natively supports standard transparent PNG files (ideal for logos) and solid JPEGs.