Watermark PDF Online - Text & Logo Stamps
Protect your PDF documents with custom diagonal text watermarks, confidential stamps, or company logo overlays across all pages instantly with 100% browser privacy.
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How to Add a Watermark to a PDF
Protect and brand your document pages in seconds.
1
Open Document
Drop your PDF file into the watermarking studio.
2
Configure Watermark
Choose text or image logo, adjust opacity, rotation angle, and positioning.
3
Batch Apply & Download
Stamp all pages simultaneously and download the protected PDF.
About Watermark PDF Online - Text & Logo Stamps
Add diagonal confidential text, draft stamps, or company logo watermarks to multiple PDF pages.
Zero Registration
Use this tool immediately without creating an account or logging in.
Local Execution
Processed directly in your browser with high-speed WebAssembly.
Crisp Vector Output
Export documents and images with pristine high-resolution quality.
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