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Developer tools

Go beyond generating a random string

Inspect what an ID contains, quantify collision risk, and choose a format that matches your system boundary.

ID Strategy Advisor

Get a format, database schema, trade-offs, and production checklist from three architecture inputs.

Choose an ID

CUID Anatomy Visualizer

Break a CUID into timestamp, counter, fingerprint, and random components.

Inspect an ID

Collision Calculator

Estimate collision probability at your expected scale with the birthday-bound model.

Model the risk

Use the tools together

  1. 1. ChooseStart with requirements in the strategy advisor.
  2. 2. QuantifyCheck whether your chosen length fits your projected volume.
  3. 3. VerifyInspect and validate sample IDs before integration.