IDs and scheduling
Generate sortable identifiers, inspect embedded time and check when a Unix cron schedule runs.
- MongoDB ObjectID Generator & Decoder
Generate MongoDB ObjectIDs in bulk and decode the creation timestamp from any ObjectID. Runs in your browser – nothing is uploaded. Copy or download results.
- UUID v7 Generator
Create time-ordered UUID version 7 values for databases and event logs, then read the creation time back from a value you already have on hand.
- ULID Generator and Decoder
Mint a batch of sortable ULIDs for database rows and event logs, then read the creation time back from an identifier you already have on hand.
- UUID / GUID Validator
Check a UUID or a whole pasted list and see which identifiers are valid, which version they are, and which lines still need a formatting fix.
- Unix Timestamp Converter
Turn a Unix timestamp into a date you can read, or turn a date you already have into seconds and milliseconds, with UTC and local time side by side.
- Cron Expression Parser
See the next five times a cron expression will run in the timezone you name, so a weekday morning job is a calendar you can check before you deploy.