diff --git a/home-manager/plasma.nix b/home-manager/plasma.nix
index 23fb8af..91ff76c 100644
--- a/home-manager/plasma.nix
+++ b/home-manager/plasma.nix
@@ -36,7 +36,7 @@
       hotkeys.commands = {
         "spectacle-screenshot" = {
           name = "Spectacle Screenshot";
-          command = "/etc/nixos/scripts/py/spectacle-screenshot.py";
+          command = "/etc/nixos/scripts/py/spectacle-screenshot.py --format=webp";
           comment = "Take a screenshot of a region on the screen and automatically upload it to Zipline";
           keys = [
             "Print"
@@ -45,7 +45,7 @@
         };
         "spectacle-recording" = {
           name = "Spectacle Recording";
-          command = "/etc/nixos/scripts/py/spectacle-screenshot.py --record";
+          command = "/etc/nixos/scripts/py/spectacle-screenshot.py --record --format=webm";
           comment = "Record a region on the screen and automatically upload it to Zipline";
           keys = [
             "Shift+Print"
diff --git a/scripts/nix/python.nix b/scripts/nix/python.nix
index 9fda1e1..a33c067 100644
--- a/scripts/nix/python.nix
+++ b/scripts/nix/python.nix
@@ -3,13 +3,21 @@ let
     config = { };
     overlays = [ ];
   };
+  pythonPackages = with pkgs.python312Packages; [
+    requests
+    pyperclip
+    pillow
+    pyside6
+  ];
 in
 pkgs.mkShell {
-  packages = with pkgs; [
-    libnotify
-    python312
-    python312Packages.requests
-    python312Packages.pyperclip
-    python312Packages.pillow
-  ];
+  packages =
+    with pkgs;
+    pkgs.lib.lists.unique (
+      [
+        libnotify
+        python312
+      ]
+      ++ pythonPackages
+    );
 }
diff --git a/scripts/py/spectacle-screenshot.py b/scripts/py/spectacle-screenshot.py
index e9f9d94..66a1d20 100755
--- a/scripts/py/spectacle-screenshot.py
+++ b/scripts/py/spectacle-screenshot.py
@@ -9,10 +9,14 @@ from pathlib import Path
 from shutil import which
 
 from common.common import notify  # type: ignore
+from PySide6.QtGui import QImageWriter  # type: ignore
 
 
 def spectacle_screenshot(
-    url: str | None = None, record: bool = False, file_path: Path | None = None
+    url: str | None = None,
+    record: bool = False,
+    file_path: Path | None = None,
+    format: str | None = None,
 ) -> None:
     try:
         if not which("spectacle"):
@@ -23,10 +27,21 @@ def spectacle_screenshot(
                 'File already exists. Please provide a different file path, or use the zipline function to upload the file.\nExample: zipline "{file_path}"'
             )
 
+        accepted_formats = [str(f) for f in QImageWriter.supportedImageFormats()]
+        accepted_formats.extend(("webm", "mp4"))
+        print(accepted_formats)
+        if not format:
+            format = "mp4" if record else "png"
+        if format.lower() not in accepted_formats:
+            raise ValueError(
+                f"Invalid format. Accepted formats are: {', '.join(accepted_formats)}"
+            )
+        else:
+            format = f".{format}"
+
         if not file_path:
             use_temp_file = True
-            suffix = ".webm" if record else ".png"
-            temp_file = tempfile.NamedTemporaryFile(delete=False, suffix=suffix)
+            temp_file = tempfile.NamedTemporaryFile(delete=False, suffix=format)
             file_path = Path(temp_file.name)
             temp_file.close()
         else:
@@ -96,6 +111,11 @@ if __name__ == "__main__":
         help="The URL of the Zipline instance to upload the screenshot or recording to. Defaults to 'https://csw.im'.",
         default="https://csw.im",
     )
+    parser.add_argument(
+        "--format",
+        help="The format of the screenshot. Defaults to 'png' if `--record` is not set, and 'mp4' if `--record` is set.",
+        default=None,
+    )
     parser.add_argument(
         "--record",
         help="If this is set, Spectacle will record the region instead of taking a screenshot.",
@@ -113,4 +133,5 @@ if __name__ == "__main__":
         url=args.url,
         record=args.record,
         file_path=args.file_path,
+        format=args.format,
     )