mongo-objectId-info Get building blocks of hexadecimal mongo objectId $ npm install --save mongo-objectid-info Usage var idInfo = require('mongo-objectId-info'); var obj = idInfo.getInfo("507f1f77bcf86cd799439011"); console.log(obj); /* { timestamp: 1350508407, machineId: 12384364, processId: 55193, counter: 4427793 } */ //Values will be NaN for invalid hexadecimal objectId