Android PDF signature library

Nutrient Android SDK is a library for signing PDF documents with an electronic signature or with encrypted certificate-based digital signatures. It offers developers an API to create, validate, and display digitally signed documents, as well as a beautiful UI for hand-drawn electronic signatures.


Introduction to signatures

Nutrient facilitates paperless signing workflows with the Electronic Signatures and Digital Signatures components. These are two components that can be licensed separately and don’t depend on each other.

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Electronic signatures


Digital signatures


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