diff --git a/convert/convert_movies.sh b/convert/convert_movies.sh
new file mode 100755
index 0000000..42b9c72
--- /dev/null
+++ b/convert/convert_movies.sh
@@ -0,0 +1,39 @@
+#! /bin/sh
+
+#######################################  HOW TO USE  ################################################
+#   manually set MOVIES_DIR
+#   manually create and set OUTPUT_DIR
+#   manually set movies names in array
+#####################################################################################################
+
+MOVIES_DIR=/home/hendrik/git/media_management_scripts/codec_visualizer/
+OUTPUT_DIR=/home/hendrik/git/media_management_scripts/av1output/
+
+movies=("test.mp4")
+
+echo "starting script ..."
+echo " "
+
+for movie in ${movies[@]}; do
+    echo "loop for $movie"
+
+    NEW_MOVIE_NAME=$"$(b=${movie##*/}; echo ${b%.*}).mkv"
+    TMP_MOVIE_NAME=$"tmp_$(b=${movie##*/}; echo ${b%.*}).mkv"
+   
+    echo "NEW_MOVIE_NAME: $NEW_MOVIE_NAME"
+    echo "TMP_MOVIE_NAME: $TMP_MOVIE_NAME"
+
+    if [ -f "$OUTPUT_DIR$TMP_MOVIE_NAME" ]; then
+        echo "warning: tmp file exists --> delete $TMP_MOVIE_NAME"
+        rm "$OUTPUT_DIR$TMP_MOVIE_NAME" 
+    fi
+
+    if [ -f "$OUTPUT_DIR$NEW_MOVIE_NAME" ]; then
+        echo "$NEW_MOVIE_NAME exists."
+    else
+        #ffmpeg -i $MOVIES_DIR$movie -c:v libaom-av1 -c:a libopus -mapping_family 1 -af aformat=channel_layouts=5.1 -c:s copy -map 0 -crf 24 -b:v 0 -b:a 128k -cpu-used 4 -row-mt 1 -tiles 2x2 $OUTPUT_DIR$TMP_MOVIE_NAME
+        ffmpeg -i $MOVIES_DIR$movie -vcodec libx264 -acodec aac $OUTPUT_DIR$TMP_MOVIE_NAME
+        mv $OUTPUT_DIR$TMP_MOVIE_NAME $OUTPUT_DIR$NEW_MOVIE_NAME
+        echo "$NEW_MOVIE_NAME converted."
+    fi
+done
\ No newline at end of file