diff --git a/bandcamp_downloader.user.js b/bandcamp_downloader.user.js
new file mode 100644
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+++ b/bandcamp_downloader.user.js
@@ -0,0 +1,160 @@
+// ==UserScript==
+// @name         Bandcamp Downloader
+// @namespace    BigDuckie.BandcampDownloader
+// @author       Big Duckie
+// @copyright    2025, Big Duckie (https://bigduckie.dev)
+// @license      MIT
+// @version      2025.1.13
+// @description  Adds a sidebar to download songs from Bandcamp.
+// @include      *://*.bandcamp.com/*
+// @require      https://cdnjs.cloudflare.com/ajax/libs/jquery/3.6.0/jquery.min.js
+// @require      https://cdnjs.cloudflare.com/ajax/libs/jszip/3.1.3/jszip.min.js
+// @grant        GM_xmlhttpRequest
+// @grant        GM_notification
+// @grant        GM_addStyle
+// @grant        GM_download
+// ==/UserScript==
+
+// Register Globals
+var sidebar_visible = false;
+var tracklist = TralbumData.trackinfo;
+
+(function () {
+  "use strict";
+
+  // Sidebar construction
+  $("body")
+    .append(
+      $("<div/>")
+        .addClass("dl-sidebar-container dl-sidebar dl-color-1 hidden")
+        .append(
+          $("<p/>").text(
+            "Click the files to download, or use the download album button."
+          )
+        )
+        .append($("<ol/>").addClass("dl-tracklist"))
+        .append(
+          $("<div/>")
+            .addClass("dl-all-button dl-progress dl-color-2")
+            .append($("<div/>").addClass("dl-progress-bar"))
+            .append(
+              $("<div/>").addClass("dl-progress-text").text("Download Album")
+            )
+        )
+    )
+    .append(
+      $("<div/>")
+        .addClass("dl-sidebar-toggle dl-sidebar dl-color-1 hidden")
+        .text("Bandcamp Downloader")
+    );
+
+  tracklist.forEach((track) => {
+    $(".dl-tracklist").append(
+      $("<li/>")
+        .attr("id", "track-" + track.track_num)
+        .append(
+          $("<a/>")
+            .addClass("dl-link custom-color")
+            .attr("data-url", track.file["mp3-128"])
+            .attr("data-trackid", tracklist.indexOf(track))
+            .text(track.title)
+        )
+    );
+  });
+
+  // Style sidebar to match page
+  GM_addStyle(
+    ".dl-sidebar-toggle{font-family:biolinum;left:0;top:50px;position:fixed;transform:rotate(90deg);transform-origin:left bottom 0;border-top-right-radius:5px;border-top-left-radius:5px;margin:0;padding:5px;z-index:5001;background:inherit;border:1px solid #000000;border-bottom:none;cursor:pointer}.dl-sidebar-toggle.active{left:400px}.dl-sidebar-container{width:390px;min-height:300px;left:-400px;top:50px;max-height:500px;overflow-y:scroll;padding:5px;position:fixed;z-index:5000;border:1px solid #000000;border-left:none;user-select:none;cursor:default}.dl-sidebar-container.active{left:0}.dl-all-button{margin-left:0;margin-right:0;cursor:pointer;background-color:rgb(255, 255, 255);color:rgb(0, 0, 0);border-color:rgb(0, 0, 0)}.dl-progress{position:relative;z-index:5001}.dl-progress,.dl-progress-bar,.dl-progress-text{height:25px;left:0;right:0;top:0;bottom:0}.dl-progress-bar{width:0;overflow:hidden;z-index:5002;-moz-transition:width 0.2s linear;-webkit-transition:width 0.2s linear;-o-transition:width 0.2s linear;transition:width 0.2s linear;background-color:rgb(0, 0, 0)}.dl-progress-text{text-align:center;z-index:5003;position:absolute;line-height:25px;color:inherit}.dl-sidebar{opacity:1;transition:opacity 1s, left 0.5s}.dl-sidebar.hidden{opacity:0}.dl-sidebar::-webkit-scrollbar{width:10px}.dl-sidebar::-webkit-scrollbar-track{background:rgb(0, 0, 0)}.dl-sidebar::-webkit-scrollbar-thumb{background:rgb(255, 255, 255)}"
+  );
+
+  $(".dl-color-1").css({
+    "background-color": $("#pgBd").css("background-color"),
+    color: $("#pgBd").css("color"),
+    "border-color": $("#pgBd").css("color"),
+  });
+  $(".dl-color-2").css({
+    "background-color": $("#follow-unfollow").css("background-color"),
+    color: $("#follow-unfollow").css("color"),
+    "border-color": $("#follow-unfollow").css("border-color"),
+  });
+  $(".dl-progress-bar").css({
+    "background-color": $("#pgFt").css("background-color"),
+  });
+
+  $(".dl-sidebar").removeClass("hidden");
+
+  // Handle events
+  $(".dl-sidebar-toggle").click((e) => {
+    $(".dl-sidebar").toggleClass("active");
+  });
+
+  $(".dl-link").click((e) => {
+    GM_download(
+      $(e.target).attr("data-url"),
+      `[${pad(tracklist[$(e.target).attr("data-trackid")].track_num, 2)}] ${
+        TralbumData.artist
+      } - ${tracklist[$(e.target).attr("data-trackid")].title}.mp3`
+    );
+  });
+
+  $(".dl-all-button").click((e) => {
+    downloadAlbum();
+  });
+
+  // Main functions
+  function downloadAlbum() {
+    // Emergency polyfill
+    var Promise = window.Promise;
+    if (!Promise) {
+      Promise = JSZip.external.Promise;
+    }
+
+    // Fetch binary data using GM_xmlhttprequest
+    function urlToPromise(url) {
+      return new Promise((resolve, reject) => {
+        GM_xmlhttpRequest({
+          method: "GET",
+          url: url,
+          responseType: "arraybuffer",
+          onload: (response) => {
+            resolve(response.response);
+          },
+          onerror: (response) => {
+            reject(response.response);
+          },
+        });
+      });
+    }
+
+    var zip = new JSZip();
+
+    tracklist.forEach((track) => {
+      zip.file(
+        `[${track.track_num}] ${TralbumData.artist} - ${track.title}.mp3`,
+        urlToPromise(track.file["mp3-128"]),
+        { binary: true }
+      );
+    });
+
+    zip
+      .generateAsync({ type: "blob" }, (metadata) => {
+        $(".dl-progress-bar").css("width", `${metadata.percent}%`);
+      })
+      .then(
+        (blob) => {
+          GM_download(
+            URL.createObjectURL(blob),
+            `${BandData.name} - ${TralbumData.current.title}.zip`
+          );
+        },
+        (e) => {
+          console.error(e);
+        }
+      );
+  }
+
+  // Supporting functions
+  function pad(n, width = 3, z = 0) {
+    return (String(z).repeat(width) + String(n)).slice(String(n).length);
+  }
+})();