C# .NET Core, Java, Python, PHP, Node.js, Python, JavaScript, C++, Android, Swift, Go, Ruby, Dart, Perl APIs to create and convert PDF, Word, Excel, PowerPoint, email, JPG, image, ZIP, and other formats on Windows, Linux, macOS & Android....work with Excel Spreadsheets, Formulas and Pivot Tables in the cloud...text, edit cell values and formulas, perform ad-hoc calculation...