cronvel/icon256

256x256 .exe icon extractor written in c# with NodeJS binding

icon256

This package only works on Windows

What is this

This is a module that can extract 256x256 icon from a file/executable, as a base64 png.

Requirements

• Install c# compiler from Visual Studio Installer

How to use

Check if you have csc installed correctly by opening cmd and typing csc
If csc is installed correctly, you should see something like:

Microsoft (R) Visual C# Compiler version blah blah (something)
Copyright (C) Microsoft Corporation. All rights reserved.

warning CS2008: No source files specified.
error CS1562: Outputs without source must have the /out option specified

Then

With callback

var icon256 = require('icon256');

icon256.extractIcon("path/to/file", (data) => {
    // do something with data
    // data is base64 png

    // This is an example to output to a file
    var fs = require('fs');
    fs.writeFileSync('./out.png', data, 'base64')
})

Async 😎

var icon256 = require('icon256');

// async lambda function to use async/await
(async () => {
    var data = await icon256.extractIconAsync("path/to/file");

    // do something with data
})()

or

var icon256 = require('icon256');

icon256.extractIconAsync("path/to/file").then(data => {
    // do something with data
})