Microsoft® Excel® Spreadsheet E-Signature Solution

Digitally sign Excel and OpenOffice™ spreadsheets with free cross-platform Apps and APIs

Free Online App for Excel e-Signature

Add signature as text or image to Excel XLS, XLSX and ODS files on any platform & browser

High Code APIs to Add or Remove Electronic Signatures from Spreadsheet

Native APIs to e-sign Excel & OpenOffice spreadsheets using .NET Core, Xamarin, Java, C++, Android, Node.js, PHP & Python