This is a very simple Javascript tool to convert BSON hex binary into JSON.
(other versions are BSON File to JSON and BSON Base64 to JSON)

BSON deserialization is done via https://github.com/mongodb/js-bson

Small sample input:
0F-00-00-00-10-42-6C-61-68-00-01-00-00-00-00

More complex input:
31-00-00-00-04-42-53-4f-4e-00-26-00-00-00-02-30-00-08-00-00-00-61-77-65-73-6f-6d-65-00-01-31-00-33-33-33-33-33-33-14-40-10-32-00-c2-07-00-00-00-00