asposepdfcloud
Aspose.PDF Cloud is a REST API for creating and editing PDF files. Most popular features proposed by Aspose.PDF Cloud: PDF to Word, Convert PDF to Image, Merge PDF, Split PDF, Add Images to PDF, Rotate PDF. It can also be used to convert PDF files to diff
prexview
A JavaScript module to use PrexView, a fast, scalable and friendly service for programatic HTML, PDF, PNG or JPG generation using JSON or XML data.