Digitally Sign Excel File Online or using Android App

Develop powerful android based Excel document signing applications. Freely add digital signature into various documents including Excel files online via app with instant download.

Excel Signature via C# .NET Excel Signature via Java

Add Digital Signature into Excel Files Online

  1. Upload Excel files to sign digitally
  2. Add text for signature or upload signature image
  3. Click the “Sign” button
  4. Download the signed Excel file

Digitally Sign Excel File via Android App

  1. Add Java library reference into your project
  2. Create DigitalSignatureCollection class object
  3. Load pfx via FileInputStream
  4. Create KeyStore object with PKCS12 cryptography
  5. Use KeyStore.load method for loading certificate stream and password
  6. Create an instance of DigitalSignature and add in collection
  7. Load the worksheet using Workbook
  8. Use setDigitalSignature(signatures) to sign the worksheet
  9. Finally save it

Java Code : Add Digital Signature in Excel Files


Develop E-Signature Application using Android

Need to develop android script or utility app to easily sign multiple Excel files digitally? With Aspose.Cells for Android via Java , child API of Aspose.Total for Android via Java , any android developer can integrate the above API code to program eSignature app for signing across spreadsheets. Powerful android library for spreadsheet signing, supports many popular formats including Excel format.

Excel eSignature library for Android Apps

System Requirements

  • Android OS 2.0 or above.
  • Java package is cross-platform and runs on all operating systems with JVM implementation.

For more details please refer to [Product Documentation](https://docs.aspose.com/cells/java/system-requirements/).

Explore File eSignature Options with Android

Sign DOC (Microsoft Word Binary Format)
Sign DOCX (Office 2007+ Word Document)
Sign ODP (OpenDocument Presentation Format)
Sign ODS (OpenDocument Spreadsheet)
Sign ODT (OpenDocument Text File Format)
Sign PDF (Portable Document Format)
Sign PPT (PowerPoint Presentation)
Sign PPTX (Open XML presentation Format)
Sign XLS (Microsoft Excel Binary Format)
Sign XLSX (Open XML Workbook)