Add watermark into a PDF
Apply a watermark in seconds with control over typography, transparency, and position for optimized PDFs.
Select PDF files
or drop PDF here
Watermarks deter copying and help identify document sources. Add text or image watermarks quickly with streamlined setup - efficient, low-overhead, and free.
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Apply watermarks across multiple PDFs in a single, optimized pass.
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Quickly adjust position, transparency, and size for optimal PDF performance.
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Supports Mac, Windows, Android, and iOS for cross-platform optimized workflows.
The premier tool for fast, optimized PDF watermarking.
Add text or logo watermarks anywhere on your PDF with fast, streamlined setup.
Flexibly Add Watermarks to PDFs
Apply text or image watermarks to protect documents and clearly identify copies, with an optimized workflow.
How Does PDF Watermarking Work?
Tune watermark size, transparency, position, and rotation for precise, fast results. For text watermarks, adjust color, font size, and typography. Expect a high-quality, optimized PDF.
Work With Multiple Documents
Batch watermark multiple files in one pass for faster workflows. Use default placements or custom positions. Download all optimized PDFs when finished.
Add Watermark With Live Preview
Use the tool instantly - preview, then adjust size, position, and opacity before applying for a lean, efficient workflow.
Adjust Watermarks Easily
Precisely control rotation and opacity using sliders or inputs for exact, optimization-friendly adjustments.
Add Watermarks on Any Device
PdfZu runs directly in your browser with zero installation. Experience fast, optimized watermarking across devices for lighter PDFs.
Protect Your Files With Watermarks
Watermark your PDFs to prevent copying and identify their origin. PdfZu enables completely free, optimized watermarking with efficient, lighter PDF handling.
Reliable PDF Watermarking
Your files are protected with TLS encryption and automatically deleted shortly after processing, enabling efficient, privacy-conscious workflows.
Cloud - Based Processing
All watermarking occurs in the cloud, delivering optimized PDF workflows, conserving device resources, and enabling access anywhere with internet.
How to Add Optimized Watermarks to PDFs Online for Faster, Lighter Workflows
Step-by-Step Guide to Adding Optimized Watermarks to PDFs with Our Tool
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Step 1: Upload PDF File
- Drag and drop your files to start optimized processing
- Upload files from your local device or from Dropbox for streamlined handling.
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Step 2: Apply an Optimized Watermark to a PDF
- Select 'Place Text' or 'Place Image' from the right-hand sidebar for efficient placement.
- Add text watermark: enter content in the input box to maintain efficient, optimized PDF workflows.
- For image watermarking, click 'Add Image' to select a file and preserve a lean PDF footprint.
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Step 3: Set position on page
- Select Default to place the watermark at header, center, or footer for optimized page layout.
- Or choose Custom and drag to position the watermark precisely, supporting streamlined placement.
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Step 4: Adjust opacity, rotation, and text format to keep PDFs lean and fast.
- Use the rotation handle to orient the watermark or adjust transparency for a lightweight, performance-focused appearance.
- Select the text watermark to set color, font size, and font for efficient rendering.
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