diff --git a/flake.lock b/flake.lock
index 1b8772e..42ea3b1 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1770841267,
-        "narHash": "sha256-9xejG0KoqsoKEGp2kVbXRlEYtFFcDTHjidiuX8hGO44=",
+        "lastModified": 1771369470,
+        "narHash": "sha256-0NBlEBKkN3lufyvFegY4TYv5mCNHbi5OmBDrzihbBMQ=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "ec7c70d12ce2fc37cb92aff673dcdca89d187bae",
+        "rev": "0182a361324364ae3f436a63005877674cf45efb",
         "type": "github"
       },
       "original": {
diff --git a/scritps/vid2gif b/scritps/vid2gif
index 5049d6b..b9bd5a4 100755
--- a/scritps/vid2gif
+++ b/scritps/vid2gif
@@ -1,19 +1,65 @@
 #!/bin/sh
-scale=${3:-1}
-filters="scale=iw*${scale}:-1:flags=lanczos"
-palette_file=$(mktemp --tmpdir XXX.png)
-
-[ -z "$1" ] && {
-	printf '%s\n' "${0##*/}: missing input video"
-	exit 1
+usage() {
+	printf '%b\n' "${0##*/} -i <file> [OPTIONS]"                    \
+	              "\noptions:"                                      \
+	              "\t-S TIMESTAMP - timestamp to start the gif"     \
+	              "\t-d SECONDS   - how long the gif should be"     \
+	              "\t-o FILE      - output file (default: out.gif)" \
+	              "\t-s SCALE     - border size (default: 1)"
 }
 
-[ -z "$2" ] && {
-	printf '%s\n' "${0##*/}: missing output gif"
-	exit 1
+while [ "$*" ]
+do
+	case $1 in
+		-  ) shift; continue ;;
+		-- ) shift; break ;;
+		-* ) flag=${1#-}; shift ;;
+		*  ) shift; continue ;;
+	esac
+
+	while [ "$flag" ]
+	do
+		arg=${flag%"${flag#?}"}
+
+		case $arg in
+			h ) usage; exit 0 ;;
+			S ) VID2GIF_START=$1; shift ;;
+			d ) VID2GIF_DURATION=$1; shift ;;
+			i ) VID2GIF_INPUT_FILE=$1; shift ;;
+			s ) VID2GIF_SCALE=$1; shift ;;
+			* ) printf '%s\n' "${0##*/}: -$arg: invalid argument" 1>&2
+			    usage 1>&2; exit 1 ;;
+		esac
+
+		flag=${flag#?}
+	done
+done
+
+[ -z "$VID2GIF_INPUT_FILE" ] && {
+	printf '%s\n' "${0##*/}: missing input video" 1>&2
+	usage 1>&2; exit 1
 }
 
-ffmpeg -hide_banner -loglevel warning -i "$1" -vf "$filters,palettegen" -update true -y "$palette_file"
-ffmpeg -hide_banner -loglevel warning -i "$1" -i "$palette_file" -filter_complex "$filters,paletteuse" "$2"
+start=
+duration=
+[ -n "$VID2GIF_START" ] && start="-ss"
+[ -n "$VID2GIF_DURATION" ] && duration="-t"
+
+: "${VID2GIF_SCALE:=1}"
+: "${VID2GIF_OUTPUT_FILE:=out.gif}"
+
+filters="scale=iw*${VID2GIF_SCALE}:-1:flags=lanczos"
+palette_file=$(mktemp --tmpdir XXX.png)
+
+ffmpeg -hide_banner -loglevel warning \
+	"$start" "$VID2GIF_START" \
+	"$duration" "$VID2GIF_DURATION" \
+	-i "$VID2GIF_INPUT_FILE" -vf "$filters,palettegen" -update true \
+	-y "$palette_file"
+ffmpeg -hide_banner -loglevel warning \
+	"$start" "$VID2GIF_START" \
+	"$duration" "$VID2GIF_DURATION" \
+	-i "$VID2GIF_INPUT_FILE" -i "$palette_file" -filter_complex "$filters,paletteuse" \
+	"$VID2GIF_OUTPUT_FILE"
 
 rm "$palette_file"