diff --git a/tools/data_convert.py b/tools/data_convert.py
new file mode 100644
index 00000000..d11bf795
--- /dev/null
+++ b/tools/data_convert.py
@@ -0,0 +1,73 @@
+
+import argparse
+import shutil
+from pathlib import Path
+
+import orjson
+import xmltodict
+from hypy_utils import write
+from hypy_utils.tqdm_utils import pmap
+
+
+def convert_one(file: Path):
+    # Get path relative to source
+    rel = file.relative_to(src)
+
+    # If path is one-level under StreamingAssets, ignore it (e.g. StreamingAssets/A000/Data.xml)
+    if len(rel.parts) <= 2:
+        return
+
+    # Read xml
+    xml = xmltodict.parse(file.read_text())
+
+    # There should only be one root element, expand it
+    assert len(xml) == 1, f'Expected 1 root element, got {len(xml)}'
+    xml = xml[list(xml.keys())[0]]
+
+    # Remove @xmlns:xsi and @xmlns:xsd
+    if '@xmlns:xsi' in xml:
+        del xml['@xmlns:xsi']
+    if '@xmlns:xsd' in xml:
+        del xml['@xmlns:xsd']
+
+    # Generate target file path
+    # Ignore the first segment of the relative path, and append to the destination
+    # Also collapse the single-item directory into the filename
+    # e.g. {src}/A000/music/music000001/Music.xml -> {dst}/music/000001.json
+    target = dst / '/'.join(rel.parts[1:-2])
+    file_id = ''.join(filter(str.isdigit, rel.parts[-2]))
+    target = target / f'{file_id}.json'
+
+    # Create directories if they don't exist
+    target.parent.mkdir(parents=True, exist_ok=True)
+
+    # Write json
+    write(target, orjson.dumps(xml))
+
+
+if __name__ == '__main__':
+    agupa = argparse.ArgumentParser()
+    agupa.add_argument('source', type=str, help='Package/Sinmai_Data/StreamingAssets directory')
+    agupa.add_argument('destination', type=str, help='Directory to extract to')
+    args = agupa.parse_args()
+
+    src = Path(args.source)
+    dst = Path(args.destination)
+
+    # Assert that A000 exists in the source directory
+    assert (src / 'A000').exists(), f'{src}/A000 does not exist'
+
+    # Assert that target directory does not exist
+    if dst.exists():
+        if input(f'{dst} already exists, delete? (y/n): ') == 'y':
+            print(f'Deleting {dst}')
+            shutil.rmtree(dst)
+
+    # Find all xml files in the source directory
+    files = list(src.rglob('*.xml'))
+    print(f'Found {len(files)} xml files')
+
+    # Multithreaded map
+    pmap(convert_one, files, desc='Converting', unit='file', chunksize=50)
+
+