diff --git a/zack/git2blobs.py b/zack/git2blobs.py
new file mode 100755
index 0000000..710681c
--- /dev/null
+++ b/zack/git2blobs.py
@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+
+import dulwich
+import gzip
+import sys
+
+from dulwich.repo import Repo
+from pathlib import Path
+from tqdm import tqdm
+
+
+def store_blob(obj, objstorage_dir):
+    sha1 = obj.id.decode('ascii')
+    obj_path = objstorage_dir / sha1[0:2] / sha1[2:4] / sha1
+    obj_path.parent.mkdir(parents=True, exist_ok=True)
+    with gzip.open(obj_path, 'wb') as obj_f:
+        for data in obj.chunked:
+            obj_f.write(data)
+
+
+def main(repo_dir, objstorage_dir):
+    repo = Repo(repo_dir)
+    objs = repo.object_store
+
+    objcount = len(list(objs))
+    for sha1 in tqdm(objs, desc='writing blobs', unit='obj', total=objcount):
+        obj = objs[sha1]
+        if isinstance(obj, dulwich.objects.Blob):
+            store_blob(obj, objstorage_dir)
+
+
+if __name__ == '__main__':
+    try:
+        main(sys.argv[1], Path(sys.argv[2]))
+    except IndexError:
+        print('Usage: git2objstorage REPO_DIR OBJSTORAGE_DIR')
+        sys.exit(1)