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Great macOS Support
Supports OS X and above! Embed & customize using Objective-C, Swift, JavaScript, C/C++, and Python.
Hundreds of Features
Support current and future use cases with the most complete PDF & Office SDK on the market.
All Features30+ File Formats
Support for 30+ file formats, including PDF, PDF/A, HTML, SVG, PNG, and Microsoft Office.
All File FormatsDocumentation & Samples
Everything you need to quickly build a prototype, and for a great development experience.
DocumentationUsing PDFTron
PDFTron is easy to get up and running with popular package managers and a few lines of code.
Creating an Annotation
Converting to Image
Annots::FreeText txtannot = Annots::FreeText::Create( doc, Rect(10, 400, 160, 570) );
txtannot.SetContents( UString("Hello world" ) );
txtannot.SetBorderStyle( Annot::BorderStyle( Annot::BorderStyle::e_solid, 1, 10, 20 ), true );
txtannot.SetQuaddingFormat(0);
first_page.AnnotPushBack(txtannot);
txtannot.RefreshAppearance();