PDF Combiner is a user-friendly, GUI-based tool built in
PDF Combiner is a user-friendly open source free to use, GUI-based tool for combining, pdf to excel, pdf to word, image to pdf, zip, unzip annotate and splitting PDF files. It is easy to use, supports multiple file insert and delete and process, and allows you to adjust the order of files before combining.
Vertopal PHP is a PHP library for easy access to Vertopal file conversion API.
Using Vertopal PHP, you can get started quickly and easily implement the support of converting +350 file formats into your project.