Introduction

The Add Watermark to PDF API allows you to easily overlay a customizable watermark onto your PDF documents for enhanced security and branding. Whether you're protecting intellectual property, marking documents as confidential, or adding your logo, this tool lets you add text or image watermarks with full control over placement, transparency, and size. Perfect for businesses and professionals who need to secure and brand their documents, the Add Watermark to PDF API ensures your content remains identifiable and protected, whether for internal use or when sharing with clients and partners.