diff --git a/scripts/video/cr3todng.sh b/scripts/video/cr3todng.sh
new file mode 100644
index 0000000..317bc85
--- /dev/null
+++ b/scripts/video/cr3todng.sh
@@ -0,0 +1,53 @@
+#! /bin/bash
+
+# Script to convert CR3 files to DNG.
+
+WINE_PREFIX=$(echo $HOME/.dng-wine)
+CONVERTER_PATH='C:\Program Files\Adobe\Adobe DNG Converter\Adobe DNG Converter.exe'
+FLAGS='-c -fl -p1'
+
+# Converts foreward slashes to back slashes.
+function foreward2Back() {
+    sed 's:/:\\:g'
+}
+
+# Converts a directory path a wine friendly path.
+function dir2Wine() {
+    echo 'z:'"$(echo $( cd "$1" >/dev/null 2>&1 ; pwd -P ) | foreward2Back)"
+}
+
+# Converts file path to a wine friendly path to the file.
+function file2Wine() {
+    echo $(dir2Wine $(dirname $1))\\$(basename $1)
+}
+
+# Converts a CR3 RAW file to DNG RAW.
+function convertFile() {
+    WINEPREFIX="$WINE_PREFIX" wine "$CONVERTER_PATH" \
+    $FLAGS $2 "$(file2Wine $1)" &
+}
+
+# Converts all CR3 RAW files in a directory to DNG RAW.
+function convertDir() {
+    for file in $1*.cr3; do
+	convertFile $file "-d $2"
+    done
+}
+
+start=`date +%s%N`
+
+src=$1
+dst=$(dir2Wine $2)
+
+if [[ -d $src ]]; then
+    convertDir $src $dst
+elif [[ -f $src ]]; then
+    convertFile $src $dst
+else
+    echo "$src is not valid"
+    exit 1
+fi
+
+wait
+end=`date +%s%N`
+echo Execution time was `expr $end - $start` nanoseconds.