FreeDev Tools

Nano ID Generator

Generate compact URL-safe unique IDs with configurable length and alphabet.

How to Use

  1. 1

    Set length and alphabet

    21 chars URL-safe is the standard default.

  2. 2

    Click Generate

    Up to 100 IDs per batch.

  3. 3

    Copy the IDs

    Ready for URLs, filenames, and database keys.

Frequently Asked Questions

A compact random identifier — 21 URL-safe characters by default — popularized by the nanoid npm package. Same collision resistance as UUIDv4 in 60% of the length.

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