diff --git a/compress-images.sh b/compress-images.sh
index 76ea633..a3e9f41 100755
--- a/compress-images.sh
+++ b/compress-images.sh
@@ -1,17 +1,3 @@
-#!/bin/bash
+find ./dist \( -iname "*.jpg" -o -iname "*.jpeg" \) | jpegoptim -p -P --files-stdin -w $(nproc --all)
+oxipng -o max -a -r ./dist
 
-if command -v jpegoptim >/dev/null 2>&1 ; then
-    echo "jpegoptim found"
-    find ./dist \( -iname "*.jpg" -o -iname "*.jpeg" \) | jpegoptim -p -P --files-stdin -w $(nproc --all)
-else
-    echo "jpegoptim was not found! install either with your package manager or get the binary from the github"
-    echo "https://github.com/tjko/jpegoptim/releases/latest"
-fi
-
-if command -v oxipng >/dev/null 2>&1 ; then
-    echo "oxipng found"
-    oxipng -o max -a -r ./dist
-else
-    echo "oxipng was not found! install with your package manager, cargo or get the binary from the github"
-    echo "https://github.com/shssoichiro/oxipng/releases/latest"
-fi
diff --git a/shell.nix b/shell.nix
index ea77611..eb83e6e 100644
--- a/shell.nix
+++ b/shell.nix
@@ -7,5 +7,8 @@ pkgs.mkShell {
     pkgs.nodejs
     pkgs.pnpm
     pkgs.biome
+    pkgs.oxipng
+    pkgs.jpegoptim
+    pkgs.croc
   ];
 }