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Nano ID Generator

Generate compact, URL-safe unique IDs with customizable alphabet

Nano ID Options

1 - 256 characters

Security: 126.00 bits of entropy
Alphabet size: 64 characters
Total combinations: 8.51e+37

About Nano ID

Nano ID is a tiny, secure, URL-friendly unique string ID generator. It's smaller and faster than UUID, with similar collision resistance.

Key Features

  • Compact: Default 21 characters vs UUID's 36
  • URL-safe: No special characters that need encoding
  • Secure: Uses cryptographic random number generator
  • Fast: 2x faster than UUID
  • Customizable: Choose your own alphabet and size

Use Cases

  • Database IDs for user-facing URLs
  • Short links and URL shorteners
  • API keys and tokens
  • File and document identifiers

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Frequently Asked Questions - Nano ID Generator