ULID Generator
Generate ULID strings that are URL-safe, time-sortable, and 128 bits of unique entropy.
Summary
Generate ULID strings that are URL-safe, time-sortable, and 128 bits of unique entropy.
How it works
- Click Generate
- Copy the 26-character Crockford Base32 ULID
- Use as a database key or event ID
Use cases
- Sortable IDs for distributed event logs
- Human-readable unique keys for URLs
- Replacing UUID in Cassandra or DynamoDB tables
Frequently Asked Questions
Last updated: 2026-06-09 ·
Reviewed by Nham Vu