Discord emoji downloader. To use: be an admin on a server, go to the Emoji section of the settings, and run the scriptlet

..scriptlet

javascript:function download(o){var e=document.createElement("a");e.href=o,e.download=o,e.click()}function downloadEmoji(o){const e=/url\(\"https:\/\/cdn.discordapp.com\/emojis\/(\d+)\.png\"\)/;var r=o.querySelectorAll(".emoji-image"),t=getComputedStyle(r[0])["background-image"];t=t.replace(e,"$1");var l=o.querySelectorAll(".position-relative > .emoji-alias-placeholder"),a=l[0].textContent;download("https://vazkii.us/discordemoji/"+t+"/"+a+".png")}var rows=document.querySelectorAll(".emoji-row");Array.prototype.forEach.call(rows,function(o,e){downloadEmoji(o)});

.htaccess

RewriteEngine On
RewriteBase /html

RewriteRule (\d+)\/(.+)\.png /discordemoji/emoji.php?n=$2&e=$1 [L]

download.js

function download(url)  {
    var a = document.createElement("a");
    a.href = url;
    a.download = url;
    a.click();
}

function downloadEmoji(elm) {
	const pattern = /url\(\"https:\/\/cdn.discordapp.com\/emojis\/(\d+)\.png\"\)/;
	var image = elm.querySelectorAll('.emoji-image');
	var url = getComputedStyle(image[0])['background-image'];
	url = url.replace(pattern, '$1');

	var alias = elm.querySelectorAll('.position-relative > .emoji-alias-placeholder');
	var name = alias[0].textContent;
	download('https://vazkii.us/discordemoji/' + url + '/' + name + '.png');
}

var rows = document.querySelectorAll('.emoji-row');
Array.prototype.forEach.call(rows, function(elm, i){
	downloadEmoji(elm);
});

emoji.php

<?php
	header('Content-Type: image/png');
	if($_GET && $_GET['e']) {
		if($_GET['n']) {
			$name = $_GET['n'];
			header("Content-Disposition: filename='$name.png'");
		}

		$emoji = $_GET['e'];
		$url = "https://cdn.discordapp.com/emojis/$emoji.png";
		echo(file_get_contents($url));
	}
?>