diff --git a/extra/md5.exe b/extra/md5.exe
new file mode 100644
index 00000000..8bdc35cc
Binary files /dev/null and b/extra/md5.exe differ
diff --git a/src/qqt_function.pri b/src/qqt_function.pri
index fae4a80f..caa18eed 100644
--- a/src/qqt_function.pri
+++ b/src/qqt_function.pri
@@ -158,6 +158,18 @@ defineReplace(get_lrelease_language){
     return ($${command})
 }
 
+defineReplace(get_md5_command) {
+    filename = $$1
+    isEmpty(1): error("get_md5_command(filename) requires one argument")
+    command =
+    win32 {
+        command = md5 -n $${filename}
+    } else {
+        command = echo 2> $${filename}
+    }
+    return ($$command)
+}
+
 ################################################
 ##custom functions
 ################################################