Add watermark into a PDF
Add a text or image watermark in seconds. Choose typography, transparency, and position.
Select PDF files
or drop PDF here
Watermarks help prevent copying and identify document sources. Add text or image watermarks easily - no limits, no settings, completely free.
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Add watermarks to multiple PDFs at once.
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Easily change watermark position, transparency, and size.
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Works on Mac, Windows, Android, and iOS.
The Most Popular Tool for Adding PDF Watermarks
Add text or logo watermarks anywhere on your PDF - quick and easy.
Flexibly Add Watermarks to PDFs
Apply text or image watermarks to protect your documents and identify printed copies.
How Does PDF Watermarking Work?
Customize your watermark’s size, transparency, position, and rotation. For text watermarks, adjust color, font size, and typography. You'll get a high - quality watermarked PDF.
Work With Multiple Documents
Upload multiple files and watermark them all at once. Use default positions or set custom placement. Download all watermarked PDFs when finished.
Add Watermark With Live Preview
Use our tool instantly - preview the watermark and adjust size, position, and opacity before applying.
Adjust Watermarks Easily
Use the slider or input fields to control rotation and opacity precisely, adjusting each percentage with ease.
Add Watermarks on Any Device
PdfLion works directly in your browser - no installation needed. Add watermarks on any device.
Protect Your Files With Watermarks
Watermark your PDFs to prevent copying and identify their origin. PdfLion lets you do it completely free.
Reliable PDF Watermarking
Your files are protected with TLS encryption and automatically deleted shortly after processing.
Cloud - Based Processing
All watermarking happens in the cloud, saving your device’s resources and allowing access anywhere with internet.
How to Add Watermarks to PDFs Online for Free
Step by Step Guide to Adding Watermarks to PDFs for Free with Our Tool
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Step 1: Upload PDF File
- Drag and Drop Your Files onto Our Tool
- Upload files from your local computer or from Dropbox.
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Step 2: Add Watermark to a PDF
- Choose 'Place Text' or 'Place Image' from the sidebar on the right.
- Add text watermark: enter your content in the input box on the sidebar.
- Or, to add an image watermark, click 'Add Image' to choose an image from your computer.
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Step 3: Set position on page
- Click “Default” and choose the position as header, center or footer to watermark on the PDF page.
- Or click 'Custom' and drag the watermark to change its location on the PDF page.
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Step 4: Change opacity, rotation of Watermark or Format of text Watermark
- Click and drag the rotation handle to rotate the watermark or increase or decrease the transparency of the watermark.
- Click on the text watermark to change text color, font size, and font.
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