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UUID / ULID Generator.

Bulk-generate UUID v4 or ULID identifiers, with one-click copy for a single value or the whole batch. Runs entirely in your browser. How to use

Format Options:
UUIDV4 — 10 Generated IDs
f7f8b58d-c021-4f4e-a725-f7e955aaea34 debce521-5d8a-4d6e-859d-44ceb5fcd79c ab8a742a-5472-47fc-807d-a16eca58615e 4679fbb0-2f85-4fdd-be3d-c570f028d688 82cc3348-2222-4ab9-b1df-07e7199d77c7 3750618b-6612-4b62-8a92-cc1e42a6027a 96ccc163-5ba3-44b3-b7f1-9a92be4429a9 a80abfba-5674-463c-8709-926db8bbcf06 cd7bbdde-079d-4e39-b070-414b4e5dddd4 a848b51b-be0d-44dd-882f-53e20e2df5e9

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.