let imgConvert = require('image-convert').fromURL;
imgConvert({
	url:<url>,
	quality: <quality[0..100]>,
	output_format:<output_format>,
	size: <size{integer}>},function(err,buffer,file){//buffer=> base64 encode, file=> file object
	if(!err)
		console.log(res);//img buffer
})

let imgConvert = require('image-convert').fromURL;
imgConvert({
	url:"https://upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Rotating_earth_(large).gif/200px-Rotating_earth_(large).gif",
	quality: 80,//default 100
	output_format:"jpg",//default jpg
	size: 300//defualt original
},function(err,buffer,file){
	if(!err)
	{
		console.log(res);//img buffer
		console.log(file);
	}
})