diff --git a/TOOLS/autocrop.lua b/TOOLS/autocrop.lua
new file mode 100644
index 0000000000..e5292eee18
--- /dev/null
+++ b/TOOLS/autocrop.lua
@@ -0,0 +1,11 @@
+mp.command('vf add @autocrop.cropdetect:lavfi=graph="cropdetect=limit=24:round=2:reset=0"')
+
+function update_crop_handler()
+   cropdetect_metadata=mp.get_property_native("vf-metadata/autocrop.cropdetect")
+   mp.command(string.format('vf add @autocrop.crop:crop=%s:%s:%s:%s',
+                cropdetect_metadata['lavfi.cropdetect.w'],
+                cropdetect_metadata['lavfi.cropdetect.h'],
+                cropdetect_metadata['lavfi.cropdetect.x'],
+                cropdetect_metadata['lavfi.cropdetect.y']))
+end
+mp.add_key_binding("C","update_crop",update_crop_handler)