Add custom text watermarks to your PDF pages.
Add a customizable watermark (like 'CONFIDENTIAL' or 'DRAFT') across all pages of your PDF. Runs entirely in your browser — your files never leave your device.
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.
Combine page organization, e-signing, a PII privacy preview, watermarks, and compression in one continuous session.