diff --git a/static/extensions/XmerOriginals/dropfiles.js b/static/extensions/XmerOriginals/dropfiles.js
new file mode 100644
index 00000000..c209fb7a
--- /dev/null
+++ b/static/extensions/XmerOriginals/dropfiles.js
@@ -0,0 +1,188 @@
+// Description: Manage Files Dragged and Dropped on Top of Your Standalone Project from the File Manager.
+// License: MPL-2.0
+
+class DropFiles {
+  constructor(runtime) {
+    this.runtime = runtime;
+    this.enabled = false;
+    this.dragging = false;
+    this.droppedFile = null;
+    this._boundDragOver = this._onDragOver.bind(this);
+    this._boundDrop = this._onDrop.bind(this);
+    this._boundDragLeave = this._onDragLeave.bind(this);
+  }
+
+  getInfo() {
+    return {
+      id: "dropfiles",
+      name: "Drop Files",
+      color1: "#05a047",
+      blocks: [
+        {
+          opcode: "whenFileDropped",
+          blockType: Scratch.BlockType.HAT,
+          text: "when a file is dropped",
+        },
+        {
+          opcode: "setEnabled",
+          blockType: Scratch.BlockType.COMMAND,
+          text: "set file drop to [STATE]",
+          arguments: {
+            STATE: {
+              type: Scratch.ArgumentType.STRING,
+              menu: "stateMenu",
+            },
+          },
+        },
+        {
+          opcode: "clearDroppedFile",
+          blockType: Scratch.BlockType.COMMAND,
+          text: "clear dropped file",
+        },
+        {
+          blockType: "label",
+          text: "Controls",
+        },
+        {
+          opcode: "isEnabled",
+          blockType: Scratch.BlockType.BOOLEAN,
+          text: "file drop is enabled?",
+        },
+        {
+          opcode: "isDragging",
+          blockType: Scratch.BlockType.BOOLEAN,
+          text: "a file is being dragged?",
+        },
+        {
+          blockType: "label",
+          text: "File",
+        },
+        {
+          opcode: "getFileContent",
+          blockType: Scratch.BlockType.REPORTER,
+          text: "get dropped file content as [FORMAT]",
+          arguments: {
+            FORMAT: {
+              type: Scratch.ArgumentType.STRING,
+              menu: "formatMenu",
+            },
+          },
+        },
+        {
+          opcode: "getFileInfo",
+          blockType: Scratch.BlockType.REPORTER,
+          text: "get dropped file [INFO]",
+          arguments: {
+            INFO: {
+              type: Scratch.ArgumentType.STRING,
+              menu: "infoMenu",
+            },
+          },
+        },
+      ],
+      menus: {
+        stateMenu: {
+          acceptReporters: true,
+          items: ["true", "false"],
+        },
+        formatMenu: {
+          acceptReporters: true,
+          items: ["text", "data uri"],
+        },
+        infoMenu: {
+          acceptReporters: true,
+          items: ["name", "size", "type"],
+        },
+      },
+    };
+  }
+
+  setEnabled({ STATE }) {
+    const enable = STATE === "true";
+    if (enable && !this.enabled) {
+      window.addEventListener("dragover", this._boundDragOver);
+      window.addEventListener("drop", this._boundDrop);
+      window.addEventListener("dragleave", this._boundDragLeave);
+    } else if (!enable && this.enabled) {
+      window.removeEventListener("dragover", this._boundDragOver);
+      window.removeEventListener("drop", this._boundDrop);
+      window.removeEventListener("dragleave", this._boundDragLeave);
+    }
+    this.enabled = enable;
+  }
+
+  clearDroppedFile() {
+    this.droppedFile = null;
+  }
+
+  isEnabled() {
+    return this.enabled;
+  }
+
+  isDragging() {
+    return this.dragging;
+  }
+
+  getFileContent({ FORMAT }) {
+    if (!this.droppedFile) return "";
+    if (FORMAT === "data uri") {
+      return this._getDataURI(this.droppedFile);
+    } else {
+      return this._getText(this.droppedFile);
+    }
+  }
+
+  async _getDataURI(file) {
+    return new Promise((resolve) => {
+      const reader = new FileReader();
+      reader.onload = () => resolve(reader.result);
+      reader.readAsDataURL(file);
+    });
+  }
+
+  async _getText(file) {
+    return new Promise((resolve) => {
+      const reader = new FileReader();
+      reader.onload = () => resolve(reader.result);
+      reader.readAsText(file);
+    });
+  }
+
+  getFileInfo({ INFO }) {
+    if (!this.droppedFile) return "";
+    switch (INFO) {
+      case "name":
+        return this.droppedFile.name;
+      case "size":
+        return this.droppedFile.size.toString();
+      case "type":
+        return this.droppedFile.type;
+    }
+    return "";
+  }
+
+  whenFileDropped() {
+    return !!this.droppedFile;
+  }
+
+  _onDragOver(e) {
+    e.preventDefault();
+    this.dragging = true;
+  }
+
+  _onDragLeave(e) {
+    e.preventDefault();
+    this.dragging = false;
+  }
+
+  _onDrop(e) {
+    e.preventDefault();
+    this.dragging = false;
+    if (e.dataTransfer.files.length > 0) {
+      this.droppedFile = e.dataTransfer.files[0];
+      this.runtime.startHats("dropfiles_whenFileDropped");
+    }
+  }
+}
+
+Scratch.extensions.register(new DropFiles());
diff --git a/static/extensions/XmerOriginals/multifileplus.js b/static/extensions/XmerOriginals/multifileplus.js
new file mode 100644
index 00000000..7150a8a3
--- /dev/null
+++ b/static/extensions/XmerOriginals/multifileplus.js
@@ -0,0 +1,133 @@
+// Description: Quickly Process Multiple Selected Files.
+// License: MPL-2.0
+
+class MultiFileSelector {
+  constructor(runtime) {
+    this.runtime = runtime;
+    this.files = [];
+    this.fileContents = [];
+  }
+
+  getInfo() {
+    return {
+      id: "multiFileSelector",
+      name: "Multi File Selector+",
+      color1: "#fc6400",
+      blocks: [
+        {
+          opcode: "selectFiles",
+          blockType: Scratch.BlockType.COMMAND,
+          text: "select files [TYPES] max [MAX]",
+          arguments: {
+            TYPES: {
+              type: Scratch.ArgumentType.STRING,
+              menu: "fileTypes",
+              defaultValue: "all",
+            },
+            MAX: {
+              type: Scratch.ArgumentType.NUMBER,
+              defaultValue: 10,
+            },
+          },
+        },
+        {
+          opcode: "clearFiles",
+          blockType: Scratch.BlockType.COMMAND,
+          text: "clear file selection",
+        },
+        {
+          blockType: "label",
+          text: "File Data",
+        },
+        {
+          opcode: "getFileInfo",
+          blockType: Scratch.BlockType.REPORTER,
+          text: "file info list",
+        },
+        {
+          opcode: "getFileData",
+          blockType: Scratch.BlockType.REPORTER,
+          text: "file data list",
+        },
+      ],
+      menus: {
+        fileTypes: {
+          acceptReporters: true,
+          items: ["all", "audio", "text", "image"],
+        },
+      },
+    };
+  }
+
+  async selectFiles(args, util) {
+    const maxFiles = Math.max(1, Math.floor(args.MAX));
+    const typeMap = {
+      all: "*",
+      audio: "audio/*",
+      text: "text/*",
+      image: "image/*",
+    };
+    const acceptType = typeMap[args.TYPES] || "*";
+
+    const input = document.createElement("input");
+    input.type = "file";
+    input.multiple = true;
+    input.accept = acceptType;
+
+    this.files = [];
+    this.fileContents = [];
+
+    return new Promise((resolve) => {
+      input.onchange = async (event) => {
+        const selectedFiles = Array.from(event.target.files).slice(0, maxFiles);
+        this.files = selectedFiles.map((file) => ({
+          name: file.name,
+          size: file.size,
+          modified: file.lastModified,
+          type: file.type,
+        }));
+        this.fileContents = await Promise.all(
+          selectedFiles.map((file) => this.readFileAsDataURI(file))
+        );
+        resolve();
+        util.target.runtime.requestRedraw();
+      };
+
+      input.oncancel = () => {
+        this.files = [];
+        this.fileContents = [];
+        resolve();
+        util.target.runtime.requestRedraw();
+      };
+
+      input.click();
+    });
+  }
+
+  async readFileAsDataURI(file) {
+    return new Promise((resolve) => {
+      if (!file) {
+        return resolve("");
+      }
+      const reader = new FileReader();
+      reader.onload = () => resolve(reader.result);
+      reader.readAsDataURL(file);
+    });
+  }
+
+  clearFiles() {
+    this.files = [];
+    this.fileContents = [];
+  }
+
+  getFileInfo() {
+    return this.files.length > 0 ? JSON.stringify(this.files) : "[]";
+  }
+
+  getFileData() {
+    return this.fileContents.length > 0
+      ? JSON.stringify(this.fileContents)
+      : "[]";
+  }
+}
+Scratch.extensions.register(new MultiFileSelector());
diff --git a/static/images/XmerOriginals/dropfiles.png b/static/images/XmerOriginals/dropfiles.png
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diff --git a/static/images/XmerOriginals/multifileplus.png b/static/images/XmerOriginals/multifileplus.png
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index 00000000..0f9ae650
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