Mark a draft with "DRAFT" so nobody treats it as final. Stamp "CONFIDENTIAL" on an internal report. Or add your company name as a subtle watermark across every page. Adjust the text, size, opacity, and position to get exactly the look you want.
Or drop it here to start immediately
This tool processes your files directly in your browser — nothing gets uploaded to a server. When you're working with stamp your pdfs before sharing them, the document stays on your machine from start to finish.
Upload the PDF document you wish to stamp.
Type your watermark text, adjust opacity, sizing, and position.
Render the stamp across your pages and download the file.
Everything you need to know about stamp your pdfs before sharing them.
Load PDF: Upload the PDF document you wish to stamp. Design Stamp: Type your watermark text, adjust opacity, sizing, and position. Stamp File: Render the stamp across your pages and download the file. All of this is done on your machine.
Absolutely. Because NexPDF runs entirely client-side using WebAssembly, the document is never uploaded to any external server. Your sensitive data is kept 100% private.
No, there are no artificial file size caps. The only physical limit is your device's available browser memory, which easily handles large documents.
Yes, NexPDF is cached inside your browser after the first load. You can disconnect your internet and continue to use the tool completely offline.
Drop your file in the workspace at the top of the page. No registration required.
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