PDFTron's PDF SDK for Android ships with simple to use Java and Kotlin APIs to bring document viewing, creation, searching, annotation, and editing capabilities to Android apps. Included in the SDK is the source code for our showcase app, Xodo, the top-rated PDF app in the Google Play Store.

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PDFTron’s fully supported SDK is trusted by thousands of innovative startups, governments, and Fortune 500 businesses (see customers ). PDFTron technology is built from the ground up and is not dependent on any external third-party open-source software.

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• UI source code access for fine grained control over UX
• Create custom annotations
• Change annotation appearance or behavior
• Localization
• Rich set of APIs for more advanced customization

• Xamarin
• React Native
• Flutter

See a full list of supported file formats here: File format support .

• Android 4.1+ (API Level 16)

• Package samples
• GitHub samples