Add Watermark to PDF
Add text watermarks to every page of your PDF.
🔒100% Private — No Server Uploads
Your file stays private. Watermarking happens locally in your browser — no uploads, no servers. Add text such as 'CONFIDENTIAL' or 'DRAFT' across your document pages.
Your files stay on your deviceNo account neededInstant processingNo file storage
About Watermark PDF
Add text watermarks to PDF documents online for free. Protect your work by marking pages with text like "CONFIDENTIAL", "DRAFT", "DO NOT COPY", or your company name. Customize opacity, position, and rotation to suit your needs.
All processing happens in your browser using pdf-lib — no uploads, no servers, complete privacy. Use it for internal documents, legal files, or any PDF you want to mark before sharing.
Keywords: add watermark to PDF online free, PDF watermark tool, mark PDF as confidential, draft watermark PDF free online.