diff --git a/resize_img b/resize_img
new file mode 100755
index 0000000..9bcfc8c
--- /dev/null
+++ b/resize_img
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+# Description:      Resize images with avec lower width
+#
+# $1: a directory with images to convert or a image file path
+# $2: the new width size (the height will be proportional)
+
+TO_RESIZE="${1}"
+NEW_SIZE="${2}"
+
+## If the first parameter is a directory
+if [ -d ${TO_RESIZE} ]; then
+  printf 'Convert all images in %s to %spx width\n' "${TO_RESIZE}" "${NEW_SIZE}"
+
+  ## For all images files with the old format in the album directory
+  find "${TO_RESIZE}" -iname "*.png" -o -iname "*.jpg" -exec convert -resize "${NEW_SIZE}" {} {} \;
+
+else
+  if [ -f ${TO_RESIZE} ]; then
+    printf 'Convert %s to %spx width\n' "${TO_RESIZE}" "${NEW_SIZE}"
+    # Run a find command to ensure it's a png or jpg file
+    find "${TO_RESIZE}" -iname "*.png" -o -iname "*.jpg" -exec convert -resize "${NEW_SIZE}" {} {} \;
+  fi
+
+fi