ใส่ลายน้ำ PDF

Add watermarks to your PDFs easily: 1. Upload your PDF file. 2. Choose between text or image watermark. 3. Customize settings like position, opacity, and color. 4. Click 'Add Watermark' to secure your document and download instantly.

This tool embeds watermarks into your PDF locally in the browser using high-performance pdf-lib. It adds a visual layer to the existing document structure without any file data being sent to a remote server, ensuring total confidentiality.