diff --git a/batchdownload/7z2bz2.sh b/batchdownload/7z2bz2.sh
new file mode 100644
index 0000000..72a752d
--- /dev/null
+++ b/batchdownload/7z2bz2.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+# 7z2bz2.sh
+# Simple wrapper to convert xml.7z files to xml.bz2
+# Useful to simplify multithreaded batch conversion, for instance:
+# find * -name '*7z' -print | xargs -P8 -n 1 ./7z2bz2.sh
+# CC-0, 2014
+
+DUMP=$(echo $1 | sed 's/.7z//')
+echo $DUMP
+7z e -so $DUMP.7z $DUMP | bzip2 -c > $DUMP.bz2;
+rm $1;
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