diff --git a/firmware/ice40-riscv/common/bin2hex.py b/firmware/ice40-riscv/common/bin2hex.py
new file mode 100755
index 0000000..43ba263
--- /dev/null
+++ b/firmware/ice40-riscv/common/bin2hex.py
@@ -0,0 +1,22 @@
+#!/usr/bin/env python3
+#
+# Converts binary into something that can be used by `readmemh`
+#
+# Copyright (C) 2020 Sylvain Munaut <tnt@246tNt.com>
+# SPDX-License-Identifier: MIT
+#
+
+import struct
+import sys
+
+
+def main(argv0, in_name, out_name):
+	with open(in_name, 'rb') as in_fh, open(out_name, 'w') as out_fh:
+		while True:
+			b = in_fh.read(4)
+			if len(b) < 4:
+				break
+			out_fh.write('%08x\n' % struct.unpack('<I', b))
+
+if __name__ == '__main__':
+	main(*sys.argv)