diff --git a/flake.lock b/flake.lock
index 42ea3b1..6769406 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1771369470,
-        "narHash": "sha256-0NBlEBKkN3lufyvFegY4TYv5mCNHbi5OmBDrzihbBMQ=",
+        "lastModified": 1781074563,
+        "narHash": "sha256-md8WlXOlfnIeHeOScMTTHFyf2d6iaTwPl2apR5EQ3P4=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "0182a361324364ae3f436a63005877674cf45efb",
+        "rev": "9ae611a455b90cf061d8f332b977e387bda8e1ca",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index b28100a..d9eff05 100644
--- a/flake.nix
+++ b/flake.nix
@@ -31,6 +31,7 @@
         scr = final.callPackage ./nix/scr.nix { };
         thm = final.callPackage ./nix/thm.nix { };
         vid2gif = final.callPackage ./nix/vid2gif.nix { };
+        vidcompress = final.callPackage ./nix/vidcompress.nix { };
         yemou-scripts = final.symlinkJoin {
           name = "yemou-scripts";
           paths = [
@@ -39,6 +40,7 @@
             scr
             thm
             vid2gif
+            vidcompress
           ];
         };
       };
@@ -50,6 +52,7 @@
         scr = pkgs.scr;
         thm = pkgs.thm;
         vid2gif = pkgs.vid2gif;
+        vidcompress = pkgs.vidcompress;
         yemou-scripts = pkgs.yemou-scripts;
       });
     };
diff --git a/nix/vidcompress.nix b/nix/vidcompress.nix
new file mode 100644
index 0000000..7247609
--- /dev/null
+++ b/nix/vidcompress.nix
@@ -0,0 +1,26 @@
+{
+  writeScriptBin,
+  bash,
+  coreutils,
+  ffmpeg,
+  ...
+}:
+
+writeScriptBin "vidcompress" (
+  builtins.replaceStrings
+    [
+      "#!/bin/sh"
+      "ffmpeg "
+      "ffprobe "
+      "printf "
+      "rm "
+    ]
+    [
+      "#!${bash}/bin/sh"
+      "${ffmpeg}/bin/ffmpeg "
+      "${ffmpeg}/bin/ffprobe "
+      "${coreutils}/bin/printf "
+      "${coreutils}/bin/rm "
+    ]
+    (builtins.readFile ../scritps/vidcompress)
+)
diff --git a/scritps/vidcompress b/scritps/vidcompress
new file mode 100755
index 0000000..a67a6a7
--- /dev/null
+++ b/scritps/vidcompress
@@ -0,0 +1,64 @@
+#!/bin/sh
+usage() {
+	printf '%b\n' "${0##*/} -i <input_file> [OPTIONS]"                                 \
+	              "\noptions:"                                                         \
+	              "\t-c CODEC     - video codec to use (default: libx264)"             \
+	              "\t-h           - display this message"                              \
+	              "\t-o FILE      - output file (default: out.ext)"                    \
+	              "\t-p PRESET    - ffmpeg encoding preset to use (default: veryslow)" \
+	              "\t-t FILE_SIZE - file size to target in MiB (default: 50)"
+}
+
+while [ "$*" ]
+do
+	case $1 in
+		-  ) shift; continue ;;
+		-- ) shift; break ;;
+		-* ) flag=${1#-}; shift ;;
+		*  ) shift; continue ;;
+	esac
+
+	while [ "$flag" ]
+	do
+		arg=${flag%"${flag#?}"}
+
+		case $arg in
+			c ) VIDCOMP_CODEC=$1; shift ;;
+			h ) usage; exit 0 ;;
+			i ) VIDCOMP_INPUT_FILE=$1; shift ;;
+			o ) VIDCOMP_OUTPUT_FILE=$1; shift ;;
+			t ) VIDCOMP_TARGET_SIZE=$1; shift ;;
+			* ) printf '%s\n' "${0##*/}: -$arg: invalid argument" 1>&2
+			    usage 1>&2; exit 1 ;;
+		esac
+
+		flag=${flag#?}
+	done
+done
+
+[ -z "$VIDCOMP_INPUT_FILE" ] && {
+	printf '%s\n' "${0##*/}: missing input video" 1>&2
+	usage 1>&2; exit 1
+}
+
+ext="${VIDCOMP_INPUT_FILE##.*}"
+: "${VIDCOMP_OUTPUT_FILE:=out.${ext}}"
+
+: "${VIDCOMP_CODEC:=libx264}"
+: "${VIDCOMP_TARGET_SIZE:=50}"
+: "${VIDCOMP_PRESET:=veryslow}"
+
+a_bitrate="$(ffprobe -v error -select_streams a:0 -show_entries stream=bit_rate -of default=noprint_wrappers=1:nokey=1 \
+  "${VIDCOMP_INPUT_FILE}")"
+secs="$(ffprobe -v error -show_entries format=duration -of default=noprint_wrappers=1:nokey=1 "${VIDCOMP_INPUT_FILE}")"
+bitrate="$(fend floor \("${VIDCOMP_TARGET_SIZE} * 8388.608 / ${secs}" - \("${a_bitrate}" / 1000\)\))"
+
+ffmpeg -hide_banner -loglevel warning \
+  -i "${VIDCOMP_INPUT_FILE}" -c:v "${VIDCOMP_CODEC}" -b:v "${bitrate}k" -preset "${VIDCOMP_PRESET}" -pass 1 \
+  -an -f null -y /dev/null && \
+ffmpeg -hide_banner -loglevel warning \
+  -i "${VIDCOMP_INPUT_FILE}" -c:v "${VIDCOMP_CODEC}" -b:v "${bitrate}k" -preset "${VIDCOMP_PRESET}" -pass 2 \
+  -c:a copy "${VIDCOMP_OUTPUT_FILE}"
+
+rm ffmpeg2pass*.log
+rm ffmpeg2pass*.log.mbtree