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UUID & ID Generator — User Guide

The UUID & ID Generator produces cryptographically secure unique identifiers in multiple standard formats directly in your browser. All generation logic runs locally using Web Crypto APIs.

Supported ID Formats

  1. UUID v4 (RFC 4122): Standard 128-bit random identifier (123e4567-e89b-42d3-a456-426614174000).
  2. UUID v1: Timestamp-based 128-bit identifier incorporating time bits.
  3. ULID: 26-character Crockford Base32 lexicographically sortable identifier (01ARZ3NDEKTSV4RRFFQ69G5FAV).
  4. Nanoid: Compact 21-character URL-friendly random identifier (V1StGXR8_Z5jdHi6B-myT).
  5. CUID2: Collision-resistant 24-character identifier optimized for modern databases (clh1234567890abcdefghijkl).
  6. KSUID: K-Sortable 27-character Base62 unique identifier.

Features & Options

  • Bulk Generation: Generate up to 1,000 unique IDs in 1 click.
  • Formatting Toggles:
    • UPPERCASE vs lowercase
    • Include or strip hyphens (-)
    • Wrap in braces {...} or quotes "..."
  • Output Formats: Export as Plain Text List, JSON Array, or CSV dataset with 1-click copy and file downloads.