Add Watermark

Add Watermark
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Choose a PDF file to start adding watermark...
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Note: Your files never leave your device.
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Preview:

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Please select a PNG or JPG image
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Preview:

The PDF Tool to Securing PDFs with Custom Watermarks

In the digital age, protecting your intellectual property is non-negotiable. Whether you are sharing a draft manuscript, a confidential business contract, or a design portfolio, adding a watermark is the most effective way to assert ownership and prevent unauthorized use. This PDF Watermark Creator provides a professional, privacy-focused solution to stamp your documents instantly directly from your browser.

Why Trust Our PDF Watermark Creator?

Unlike traditional online converters that require you to upload sensitive files to a remote server, our tool prioritizes your data sovereignty.
  • Zero-Upload Technology: We utilize advanced browser-based processing. Your PDF is processed locally on your device's memory. Your confidential documents never leave your computer.
  • No Trace Left Behind: Once you close the tab, the processing cache is cleared instantly.

Key Features

  • Dual Modes: Choose between Text Watermarks (great for "CONFIDENTIAL" or "DRAFT" stamps) and Image Watermarks (perfect for company logos).
  • Full Customization: Control transparency (opacity), rotation angle, font size, and color.
  • Smart Positioning: Place the watermark in the center, corners, or tile it across the entire page for maximum security.
  • Layer Control: Ensure the watermark sits clearly on top of images or subtly behind the text.

How to Use This Tool to Add Watermarks to PDF?

  • Step 1: Upload Your Document
    Click the "Select PDF" button or drag and drop your file. The tool supports standard PDF documents of any page count.
  • Step 2: Choose Watermark Style
    For Text: Type your desired text (e.g., "DO NOT COPY"). Select a font family and color.
    For Image: Upload a transparent PNG of your logo.
  • Step 3: Adjust Settings (The "Golden Ratio")
    Based on our experience processing thousands of documents, here are the recommended settings for a professional look:
    Opacity: Set to 30% - 50%. Anything higher might make the document hard to read; anything lower might be invisible on printed copies.
    Rotation: A 45-degree angle is the industry standard for diagonal watermarks.
    Layer: Choose "Over Content" to prevent the watermark from being hidden by images in the PDF.
  • Step 4: Generate and Download
    Click "Add Watermark". Within seconds, your browser will generate the new file. Download it to your device.

Frequently Asked Questions (FAQ)

  • Q: Will the watermark cover the text and make it unreadable?
    A: Not if you adjust the Opacity (Transparency) settings. We recommend setting the opacity to around 50% or lower. This ensures the watermark is visible as a background element without obscuring the main content.
  • Q: Can I watermark specific pages only?
    A: Currently, this tool applies the watermark to all pages to ensure consistent protection throughout the document. We are working on a page-range feature for future updates.
  • Q: Is it safe to use this tool for legal contracts?
    A: Yes. Since we use client-side processing, your legal contracts are not transmitted over the internet. This makes it safer than server-based alternatives.
  • Q: Can I use a JPG image as a watermark?
    A: Yes, you can. However, we highly recommend using a PNG file with a transparent background. A JPG will have a white box around your logo, which may block text, whereas a transparent PNG blends seamlessly.

Security & Privacy Promise

Your privacy is our top priority. We understand that PDFs often contain sensitive financial, legal, or personal data.
We prioritize user privacy ("Privacy-First Architecture"). This tool operates using Client-Side Processing, All happen right here in your browser. Your documents and files never leave your device. We Don't upload, transfer, view, store, or share your data.

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