Document Security on Android
Protect the content of PDF documents from editing, copying, and unauthorized distribution with PSPDFKit for Android. It offers developers a way to encrypt or decrypt PDFs, add a password, insert a dynamic watermark, and more.
PSPDFKit SDKs are deployed in some of the world’s most popular applications, such as those made by Autodesk, Disney, DocuSign, Dropbox, IBM, and Lufthansa.
AES-256 encryption – Transparently decrypt data in the client
Data security – Unencrypted data isn’t written to disk
Dynamic watermarks – Add user identifiers to the PDF
Disable PDF export – Remove the download button
Set and enforce permissions – Disable printing and copying
Password protected – Programmatically unlock PDF documents
Extendable – Add digital signatures, redaction, and more
Guides for Document Security
Introduction to Encryption
Learn about the basics of PDF encryption
Add a Password
How to add password-protection to a PDF document
Encrypt with AES
How to encrypt PDF documents with AES encryption
Decrypt AES Files
How to programmatically decrypt AES-256 encrypted PDFs in-memory
How to exclude the bar button items that allow sharing
How to set permissions for printing, copying, editing, and more
Add a Watermark
How to add non-removable dynamic watermarks to PDF documents
Enjoy unlimited trial usage of all our products. Get guidance and tech support from developers who built the product, and get started within minutes.