diff --git a/pack-vid b/pack-vid
index 88fb4b9..85161ee 100755
--- a/pack-vid
+++ b/pack-vid
@@ -28,6 +28,8 @@ $options = [
     'quality' => 1.0,
     'hdr' => false,
     'dither' => false,
+    'width' => false,
+    'height' => false,
 ];
 
 while ( count( $args ) > 0 && substr( $args[0], 0, 2 ) == '--' ) {
@@ -55,7 +57,9 @@ if ( count ( $args ) < 2 ) {
         "  --size=n       target file size in bytes (default 3.5M)\n" .
         "  --quality=n    fraction of base bitrate to break on (deafult 0.75)\n" .
         "  --hdr          force HDR input processing on\n" .
-        "  --dither       enable dithering in 8-bit downconversion\n"
+        "  --dither       enable dithering in 8-bit downconversion\n" .
+        "  --width        override frame width in pixels\n" .
+        "  --height       override frame height in pixels\n"
     );
 }
 [ $src, $dest ] = $args;
@@ -251,6 +255,13 @@ function convert( $src, $dest, $options ) {
     }
     */
 
+    if ( $options['width'] ) {
+        $frameWidth = intval( $options['width'] );
+    }
+    if ( $options['height'] ) {
+        $frameHeight = intval( $options['height'] );
+    }
+
     $wide = $aspect > ( $frameWidth / $frameHeight );
     $crop = boolval( $options['crop'] );
     $letterbox = boolval( $options['letterbox'] );