Add Watermark
Add text or image watermark to your PDF files.
Adding watermark...
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What is Add Watermark to PDF?
Add image or text watermarks to your PDF documents online for free. Choose font, size, opacity, and positioning. Secure browser-based tool.
When should you use it?
This tool is useful when you need to add, change, or clean up visible content inside a PDF while staying in your browser.
Browser-based PDF processing
PdfPix is designed for direct browser workflows. For most tools, files stay on your device during processing, which helps reduce upload delays and supports privacy-focused document handling for everyday PDF tasks.
How to use Add Watermark to PDF
Upload your PDF document.
Choose 'Text Watermark' or 'Image Watermark' and type your text or upload a logo.
Set your rotation, opacity, position, and page ranges, then click 'Add Watermark!' to download the stamped PDF.
Why choose PdfPix for Add Watermark to PDF?
100% Secure & Private
Unlike traditional web converters, all processing happens locally inside your browser. Your sensitive PDF files are never uploaded to any remote servers.
No File Size Limits
Because conversions run locally using your computer's CPU power, we don't impose any artificial file size caps, queue delays, or wait times.
100% Free Forever
Get full access to all features without subscriptions, credit card inputs, or registration walls. No branding watermarks added to your outputs.
Universal Compatibility
PdfPix runs smoothly inside any modern browser on macOS, Windows, Linux, iOS, or Android, without needing external applications or plugins.
Frequently Asked Questions
Can I customize the position of the watermark?
Yes, you can place the watermark in any of the 9 grid positions, rotate it, and adjust the opacity.
Can I choose which pages are watermarked?
Yes, you can apply the watermark to all pages, only odd/even pages, or select custom page ranges.
Is my watermark logo secure?
Yes, since your images and PDFs never leave your machine, your logo and documents are perfectly protected.
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