Add watermark into a PDF
Apply a text or image watermark in seconds. Optimize typography, transparency, and placement for consistent branding.
Select PDF files
or drop PDF here
Watermarks deter copying and establish document provenance. Apply text or image watermarks quickly and freely—unrestricted by limits or complex settings, aligned with Smart PDF Optimization.
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Add watermarks across multiple PDFs in a single operation to maximize workflow efficiency.
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Effortlessly adjust position, transparency, and size for consistent, optimized watermarking.
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Supported across Mac, Windows, Android, and iOS for versatile, platform-optimized workflows.
The Premier Tool for Smart PDF Watermarking
Apply text or logo watermarks anywhere in your PDF with speed and ease, supporting optimized workflows.
Flexibly Add Watermarks to PDFs
Apply text or image watermarks to safeguard content and clearly identify document provenance within Smart PDF Optimization workflows.
How Does PDF Watermarking Work?
Tune size, transparency, position, and rotation for precise control. For text watermarks, adjust color, typography, and font size. The result is a high-quality watermarked PDF optimized for performance and usability.
Work With Multiple Documents
Upload multiple files and watermark in a single pass, enabling batch optimization. Choose default placements or specify custom positions. Download all watermarked PDFs at once for an efficient workflow.
Add Watermark With Live Preview
Experience immediate use—preview the watermark and fine-tune size, position, and opacity before applying, supporting Smart PDF Optimization.
Adjust Watermarks Easily
Precisely control rotation and opacity via sliders or inputs, enabling fine-grained adjustments for optimized, quality-preserving results.
Add Watermarks on Any Device
PdfMize delivers Smart PDF Optimization directly in your browser—no installation required. Add watermarks on any device with intelligent, performance-balanced efficiency that preserves document quality.
Protect Your Files With Watermarks
Apply watermarks to deter copying and clearly identify origin, powered by Smart PDF Optimization that balances protection with usability. PdfMize makes it entirely free.
Reliable PDF Watermarking
Your files are protected by TLS encryption and automatically purged after processing, ensuring privacy and minimal overhead through intelligent lifecycle management.
Cloud - Based Processing
Watermarking runs in the cloud, delivering Smart PDF Optimization that conserves device resources while enabling secure access anywhere online.
Smart PDF Optimization: How to Add Watermarks to PDFs Online for Free
A Step-by-Step Guide to Smart PDF Optimization: Adding Watermarks to PDFs for Free with Our Tool
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Step 1: Upload PDF File
- Drag and drop your files into our tool to kick off a Smart PDF Optimization workflow.
- Upload from your local computer or from Dropbox, enabling flexible optimization.
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Step 2: Add Watermark to a PDF with Smart PDF Optimization
- Select 'Place Text' or 'Place Image' from the right-hand sidebar to place your watermark efficiently.
- Add a text watermark: enter your content in the input box on the sidebar to enable intelligent, optimized watermarking that preserves document fidelity.
- Or, to apply an image watermark, select 'Add Image' and choose your image from the computer to achieve intelligent, quality-preserving watermarking with optimized performance.
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Step 3: Set position on page
- Click “Default” and select a position (header, center, or footer) to apply the watermark efficiently across the PDF page.
- Or choose 'Custom' and drag the watermark to its desired location, enabling precise, optimized placement.
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Step 4: Refine opacity, rotation, and text watermark formatting for balanced optimization.
- Click and drag the rotation handle to rotate the watermark, or adjust its transparency to optimize clarity and performance.
- Select the text watermark to adjust color, size, and typography, ensuring legibility while optimizing file size.
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