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Add custom text watermarks, stamps, or confidential labels to PDF pages.
Add customized text watermarks, confidential stamps, or copyright labels across all pages of a PDF.
Standard PDF files (.pdf).
Watermarked PDF document with customizable text overlay.
Stamp 'CONFIDENTIAL - FOR INTERNAL USE ONLY' at a 45-degree angle across a draft business proposal.
All operations for this tool execute locally in your web browser memory using client-side WebAssembly, HTML5 APIs, or local JavaScript. Your files, text inputs, and generated data never touch our servers.
Yes. The opacity slider allows you to make watermarks subtle or bold so underlying text remains readable.
Yes. The watermark is rendered uniformly across all pages of the document.