file-type
Detect the file type of a file, stream, or data
officeparser
A Node.js library to parse text out of any office file. Currently supports docx, pptx, xlsx, odt, odp, ods, pdf files.
@sgtpooki/file-type
An *Ackchyually* browser compatible file-type hacky replacement of the `file-type` package. Forked from https://github.com/sindresorhus/file-type
file-type-cjs-fix
A CommonJS port from the ESM file-type package. Now fixed to not have 'tarHeaderChecksumMatches' error!
get-file-type-es5
Detect the file type of a Buffer/Uint8Array in ES5 (can be used for browser and create-react-app