Documentation

Explore the docs

Select your platform

Windows

Developer Guides

API Reference

Web

Developer Guides

API Reference

Collaboration API Reference

PDF Conversion SDK

Developer Guides

API Reference

Mac

Developer Guides

API Reference

Linux

Developer Guides

API Reference

Android

Developer Guides

API Reference

iOS

Developer Guides

API Reference

ActiveX

Articles & Project samples

Latest release

Foxit PDF SDK for

Android & iOS 9.1.0

Foxit PDF SDK for Android & iOS 9.1.0 introduces an optimized voice reader experience with language and voice switching, intelligent handwritten text recognition powered by Google ML Kit, and improved background removal for image signatures in more complex scenarios. It also enhances the PDF viewing experience with a view locking functionality, ink stroke timeout control, and precise area zoom navigation.

Read the release page Read the release page
Solutions

Plug-Ins & Open Source

Cordova

Build native mobile (iOS, Android) apps with HTML, CSS & JS. Target multiple platforms with one code base on our mobile PDF SDK.

Learn More Learn More
Kotlin

Develop Android applications using MobilePDF SDK in Kotlin. Designed to work using Java, MobilePDF SDK can easily be integrated into your development process when working with Kotlin.

Learn More Learn More
React Native

Write with or create components using JavaScript code to develop Android and iOS applications using React Native.

Learn More Learn More
Xamarin

Build and deploy native Android, iOS and Windows apps, using existing skills, teams, and code in C# with MobilePDF SDK.

Learn More Learn More

WebPDF.JS

Develop a full-fledged PDF Viewer for browser environments, all with Javascript. Migrate from PDF.js and experience native-like performance.

Read more Read more
Explore further

Recent articles & project samples

How to map PDF coordinates to Delphi graphics canvas coordinates

Updated 16 May 2022
Foxit Quick PDF Library
Pages in a PDF use points (1/72 of an inch) as the default measurement units with the origin or the coordinate system at the bottom left corner of the page. The measurement units can be changed using the SetMeasurementUnits f...
Keep reading Keep reading

How to use rendering and printing add-on with Foxit Quick PDF Library

Updated 16 May 2022
Foxit Quick PDF Library
Foxit Quick PDF Library has a new rendering and printing add-on which provides much improved support for transparency, shading patterns and tiling patterns when rendering and printing PDF files. This new rendering engine...
Keep reading Keep reading

Detecting empty pages

Updated 16 May 2022
Foxit Quick PDF Library
From time to time, it can be necessary to detect and process empty pages. For example, one might want to delete blank all pages or add a "This Page Intentionally Left Blank" stamp to each page. Nevertheless, detecting empty PDF pa...
Keep reading Keep reading

ASP.NET and Foxit Quick PDF Library

Updated 16 May 2022
Foxit Quick PDF Library
Foxit Quick PDF Library can be used in ASP.NET projects to add rich PDF features to web apps or web sites. It works in much the same way as it does for regular desktop or server applications. We have three different tutorials whic...
Keep reading Keep reading

Working around the Delphi character limit for JavaScript strings

Updated 16 May 2022
Foxit Quick PDF Library
Problems can arise when working with longer JavaScript strings using Foxit Quick PDF Library. Essentially, these issues occur due to the nature of Delphi, the programming language in which Foxit Quick PDF Library is written. Delph...
Keep reading Keep reading

How PDF files are displayed

Updated 16 May 2022
Debenu PDF Viewer SDK Foxit Quick PDF Library
PDF is not itself a display format, but rather a container for content. Regardless of which specific technology is used, PDF files are prepared for display through a process known as "rendering". As outlined in this blog post, thi...
Keep reading Keep reading

Error: ActiveX component can’t create object

Updated 16 May 2022
Foxit Quick PDF Library
The following error message is shown sometimes when using ASP, VBScript, Microsoft Access, VBA and other technologies: ActiveX component can't create object As the error message describes the ActiveX component can't create the ref...
Keep reading Keep reading

Can Foxit Quick PDF Library print PDF forms that use XFA form fields?

Updated 16 May 2022
Foxit Quick PDF Library
There are two types of PDF forms - XFA and AcroForms. An XFA form will always have a corresponding AcroForm. When getting/setting XFA form fields - Foxit Quick PDF library only changes the XML description of the fields in the PDF....
Keep reading Keep reading

Custom printing options

Updated 16 May 2022
Foxit Quick PDF Library
Foxit Quick PDF Library can print PDF files to installed physical printers (e.g. Lexmark S300 Series) or virtual printers (e.g. Microsoft XPS Document Writer). If you do not need granular control over the printer settings the...
Keep reading Keep reading