A pure WebAssembly / Javascript port of Go Excelize library that allow you to write to and read from XLAM / XLSM / XLSX / XLTM / XLTX files
GroupDocs.Editor for Node.js is a document editing API developed by GroupDocs, a part of Aspose. It allows developers to integrate document editing functionality into their applications.
Detect the file type of a file, stream, or data