Spire.Cloud.Office is a powerful online Office viewer and editor developed by E-iceblue, which currently consists of Spire.Cloud.Word and Spire.Cloud.Excel. Integrate it into your web server or cloud application, and you'll be able to create, edit, convert, print, view and save MS Word and MS Excel compatible documents in a HTML5 browser on Windows, Linux and Mac.

Spire.Cloud.Office can perform a variety range of operations on Word and Excel documents, such as editing text, formatting contents, password protecting documents, finding and replacing text, adding headers and footers, creating tables, adding watermarks, adding hyperlinks, adding comments, inserting images, etc. Moreover, it supports saving Word document to PDF, PDF/A, ODT, DOTX, OTT, RTF, or HTML, it also supports saving Excel documents as XLS, XLSX, XLSB, XLSM, XLT, XLTX, XLTM, PDF, CSV, ODS, OTS, ET, ETT and XPS formats.

Working together with Spire.Office for .NET, you can manipulate Word and Excel documents from the server-end using C# or VB.NET code, and then send the results to a browser for further editing in a visual manner.