BSON ObjectId Generator
24-hex ObjectId: 4B timestamp + 5B random machine id + 3B counter. Time-ordered & collision-resistant.
Parse ObjectId
BSON ObjectId Generator — Free Online Tool
Generates MongoDB BSON ObjectId values (24-character hex) per the BSON specification, encoding a 4-byte Unix timestamp, 5-byte random machine identifier, and 3-byte counter so each id is time-ordered and collision-resistant, useful for seeding MongoDB documents, sorting by creation time, and testing ObjectId parsing logic in Mongoose and the official MongoDB driver.
How to use the BSON ObjectId Generator
- Open the tool above — it runs entirely in your browser, so your input never leaves this page.
- Paste or type your input into the field, then press the relevant button (e.g. Encode / Decode, Generate, or Convert).
- Copy the result from the output area with the copy button orCtrl/Cmd + C.
- No signup, no upload, and no tracking — repeat as often as you need.
Frequently asked questions
Is the BSON ObjectId Generator free to use?
Yes. The BSON ObjectId Generator is completely free, with no signup, no ads inside the tool, and no hidden limits.
Does the BSON ObjectId Generator upload my data?
No. The BSON ObjectId Generator processes everything locally in your browser. Your input is never sent to a server, so it stays private even on shared devices.
Does the BSON ObjectId Generator work offline?
After the page loads, the BSON ObjectId Generator runs entirely in your browser, so it keeps working without a network connection.
Free & private — why use this BSON ObjectId Generator
The BSON ObjectId Generator runs 100% client-side in your browser. Your data is never uploaded to a server, no account is required, and the tool is completely free. It works offline once the page has loaded and is part of a growing collection of privacy-first developer utilities.