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

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

Small sample input:
DwAAABBCbGFoAAEAAAAA

More complex input:
MQAAAARCU09OACYAAAACMAAIAAAAYXdlc29tZQABMQAzMzMzMzMUQBAyAMIHAAAAAA



Base64 BSON binary to JSON