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devvkit

devvkit / dev

UUID Generator

Generate UUIDs and ULIDs: v4, v7, bulk mode, copy, download.

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v4: Random UUIDs (RFC 4122)

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Generate UUIDs and ULIDs with support for multiple versions. Create single or bulk UUIDs (v1, v4, v7), copy them instantly, and choose between uppercase, lowercase, or hyphen-free formats.

>[x]Features
  • -Supports UUID v1 (timestamp-based), v4 (random), and v7 (time-ordered)
  • -ULID generation with timestamp sorting
  • -Bulk generation up to 10,000 IDs at once
  • -Configurable format: uppercase, lowercase, no hyphens
  • -Uses Web Crypto API for cryptographically strong randomness
  • -Copy all results with a single click
>>Use Cases
  • >Generating database primary keys and record IDs
  • >Creating unique identifiers for distributed systems
  • >Generating test data with realistic identifiers
  • >Producing ULIDs for sorted, time-ordered ID columns

Frequently Asked Questions

>What UUID versions are supported??
v3 (MD5 name-based), v4 (random), v5 (SHA-1 name-based), and v7 (time-ordered). ULID is also supported.
>Are generated UUIDs truly random??
Yes: random values come from the Web Crypto API (crypto.getRandomValues), which provides cryptographically strong randomness.
>Can I generate bulk UUIDs??
Yes, you can generate up to 10,000 UUIDs at once. Copy them all with one click.