APIs for low-level PDF document editing on Server/Desktop

The following are utility classes that can be used a low-level API for PDF documents.

C++

• pdftron::SDF::Obj
• pdftron::SDF::SDFDoc

Java

• com.pdftron.sdf.Obj
• com.pdftron.sdf.SDFDoc

Web (Javascript)

• PDFNet.Obj
• PDFNet.SDFDoc

Node.js (Javascript)

• PDFNet.Obj
• PDFNet.SDFDoc

.NET

• pdftron.SDF.Obj
• pdftron.SDF.SDFDoc

.NET Core

• pdftron.SDF.Obj
• pdftron.SDF.SDFDoc

iOS (Objective-C/Swift)

• [PTObj](https://sdk.apryse.com/api/ios/SDF Classes.html#/c:objc(cs)PTObj)
• [PTSDFDoc](https://sdk.apryse.com/api/ios/SDF Classes.html#/c:objc(cs)PTSDFDoc)

Xamarin.Android C#

• pdftron.SDF.Obj
• pdftron.SDF.SDFDoc

Xamarin.iOS C#

• pdftron.SDF.Obj
• pdftron.SDF.SDFDoc

UWP (C#/VB/JS)

• pdftron.SDF.Obj
• pdftron.SDF.SDFDoc