MongoDB ObjectId to Timestamp Converter
Extract the creation timestamp embedded in a MongoDB ObjectId and view it in local time, UTC, and ISO formats.
Read the creation time inside a MongoDB ObjectId
MongoDB ObjectIds embed a 4-byte Unix timestamp in the first bytes of the identifier. Paste a 24-character hex ObjectId to recover the document creation instant in local time, UTC, and ISO 8601.
Pair this with the MongoDB ObjectId Validator or the Convert JSON to BSON tool when working with MongoDB payloads.
Frequently Asked Questions
Which timezone is shown in the headline?
The large result uses your browser local timezone. UTC and ISO strings are listed in the details panel.
Is the timestamp exact?
It reflects the embedded ObjectId timestamp (second resolution). Sub-second precision is not stored in the ObjectId itself.
Does this connect to my database?
No. Parsing happens locally with the BSON ObjectId rules.
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