Add Watermark to PDF
Overlay watermark text graphics on your PDF files. Protect copyright and configure positioning online locally.
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Drag & drop your files here
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Choose File Supported: PDF, JPG, PNG · Max size: 50MBConfigure Settings
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Your file is processed locally and deleted from memory after download.
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How to use Add Watermark in 3 steps
1
Select Document
Upload your PDF document.
2
Configure Options
Enter custom watermark text (e.g. 'CONFIDENTIAL') and select alignment.
3
Download File
Click Add Watermark and download your protected document.
Text Overlay
Draws semi-transparent watermarks to prevent layout copying.
Custom Alignments
Position watermarks in the Center, Top, or Bottom margins.
RAM Security
Stamps watermarks in browser RAM. Files are never uploaded.
Frequently Asked Questions
How do I add a watermark to a PDF?
Select the PDF, input watermark text, choose position, and click Add Watermark.
Will watermarked files render normally?
Yes, watermarks are added as transparent text overlays, keeping content visible.
Can I use custom text?
Yes, enter any text like 'COPY', 'DRAFT', or corporate labels.
Is my corporate data secure?
Yes, your documents never touch any servers during the watermarking process.
Does this tool work on mobile?
Yes, it is fully compatible with mobile browsers.
Is there a limit on file size?
Maximum file upload limit is 50MB.
Is it free to watermark?
Yes, 100% free with no account limits.
How fast is watermarking?
Stamping takes a few seconds in browser memory.
