SetaPDF is a collection of PHP components designed for developers who need to perform high-level operations on PDF files without requiring external software like Adobe Acrobat. Unlike basic libraries, SetaPDF is built for speed and low memory consumption. Key Capabilities Merging and splitting large PDF files. Filling out interactive PDF forms (AcroForms). Adding digital signatures for security. Extracting text or modifying existing content. Stamping and layering documents with new graphics. Prerequisites for Installation

This repository is private and requires HTTP‑basic or HTTP‑bearer authentication. You can obtain your credentials from your Composer Settings page on the Setasign website.

For more advanced features like merging files or adding digital signatures, you can explore the SetaPDF Manuals SetaPDF-Demos on GitHub adding watermarks using these components? Installation - Setasign Manuals