iSignature

File extractor to get real extension of file given by checking through the file's signature

Installation

Using NPM:

npm install isignature

Using Yarn:

yarn add isignature

Usage

const { getSignature } = require("isignature");
const somefile = require("./path/to/somefile.jpg");

const data = getSignature(somefile);
console.log(data);

Response

Property	Description	Example
value	The exact match extension	jpg
possibility	The nearest match to your file	['jpg', 'jpeg']
match	The boolean answer if the given file is match	true
filehex	The short hex value of your file	00 12 34 56 78

References

signature.json