Add Watermark

Protect your documents with local text stamping—no data leaves your device.

Click or Drag & Drop PDF

Secure Local Document Stamping

Adding a watermark to a legal or financial document is a common way to prevent unauthorized distribution. SecuredTools provides a safe way to add watermarks to PDF by processing the file 100% in your browser. Your intellectual property never touches a cloud server.

Frequently Asked Questions

Is the watermark permanent?

Yes. The text is drawn directly into the PDF content stream, ensuring it remains visible across all viewers.

Can I watermark multiple files at once?

Currently, the tool supports one file at a time to ensure maximum stability during local browser processing.