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Nano ID Generator

Generate short, URL-safe unique IDs (Nano ID) with your own length and alphabet.

Tool inputs stay in your browser · optional AI search sends your query

Good to know: Nano ID is a popular alternative to UUID: shorter (21 characters by default) but just as hard to collide.

How to use it (step by step)

  1. 1Choose your options: “Length”, “How many”, “Alphabet”, “Custom alphabet”.
  2. 2Press “Generate”.
  3. 3Copy the result with the Copy button. Press the button again for a fresh result.

Words to know

ULID / Nano ID
Kinds of unique IDs. Some (ULID, UUID v7) start with the time, so they sort in creation order.
UUID
A long random ID that is practically guaranteed to be unique.

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