file-type
Detect the file type of a file, stream, or data
textract
Extracting text from files of various type including html, pdf, doc, docx, xls, xlsx, csv, pptx, png, jpg, gif, rtf, text/*, and various open office.
officeparser
A Node.js library to parse text out of any office file. Currently supports docx, pptx, xlsx, odt, odp, ods, pdf files.
docxtemplater
Generate docx, pptx, and xlsx from templates (Word, Powerpoint and Excel documents), from Node.js, the Browser and the command line
@sgtpooki/file-type
An *Ackchyually* browser compatible file-type hacky replacement of the `file-type` package. Forked from https://github.com/sindresorhus/file-type