diff --git a/src/ks-tools-ffmpeg-av.sh b/src/ks-tools-ffmpeg-av.sh
new file mode 100755
index 0000000..ebe5624
--- /dev/null
+++ b/src/ks-tools-ffmpeg-av.sh
@@ -0,0 +1,61 @@
+#!/bin/bash
+
+##############################################################
+# ks-tools adapter to use ffmpeg-av                          #
+# Last change: 08-06-2022                                    #
+# Author: q3aql                                              #
+# Contact: q3aql@duck.com                                    #
+# License: GPL v2.0                                          #
+##############################################################
+M_DATE="2022.04.08"
+
+# Commands will be adapted for ffmpeg-av
+kstools_commands="ks-mp4 ks-mp4s ks-mp4k ks-avi ks-vob ks-oga ks-oga-album ks-mp3 ks-mp3-album ks-mix ks-crop ks-mp4-wrapper ks-mp4s-wrapper ks-avi-wrapper ks-vob-wrapper"
+
+# Function to check admin permissions
+function checkAdminPerm() {
+  mkdir -p /etc/root &> /dev/null
+  administrador=$?
+  if [ ${administrador} -eq 0 ] ; then
+    rm -rf /etc/root
+  else
+    echo ""
+    echo "# ks-tools with ffmpeg-av adapter ${M_DATE}"
+    echo ""
+    echo "# Administrator permissions are required."
+    echo ""
+    exit
+  fi
+}
+
+# Check if ffmpeg-av is installed
+checkAdminPerm
+if [ -f /usr/bin/ffmpeg-av ] ; then
+  echo ""
+  echo "# ffmpeg-av detected"
+else
+  echo ""
+  echo "# ffmpeg-av not detected"
+  echo ""
+  exit
+fi
+
+# Run function to change for ffmpeg-av
+for file_command in ${kstools_commands} ; do
+  if [ -f /usr/bin/${file_command} ] ; then
+    check_previous=$(cat /usr/bin/${file_command} | grep "ffmpeg-av")
+    if [ -z "${check_previous}" ] ; then
+      sed -i "s/ffmpeg -y/ffmpeg-av -y/g" /usr/bin/${file_command}
+      sed -i "s/ffmpeg -i/ffmpeg-av -i/g" /usr/bin/${file_command}
+      sed -i "s/ffmpeg --help/ffmpeg-av --help/g" /usr/bin/${file_command}
+      sed -i "s/The 'ffmpeg' tool/The 'ffmpeg-av' tool/g" /usr/bin/${file_command}
+      echo "# ${file_command} linked to ffmpeg-av"
+    else
+      echo "# ${file_command} already linked to ffmpeg-av"
+    fi
+  fi
+done
+echo "# Done"
+echo ""
+exit
+