DUL Data Utility Labs

Text utilities - Private browser tool

UUID Generator

Generate UUID v4 values in your browser for fixtures, tests, API examples, and database seeds.

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UUID Generator

Private, browser-based, free to use.

What this tool helps you do

Generate UUID v4 values in your browser for fixtures, tests, API examples, and database seeds. Paste your data, run the tool, copy the result, and move on. The core workflow stays on one focused page.

Best use cases

  • Convert or clean data before importing it into spreadsheets, BI tools, databases, or internal apps.
  • Debug API payloads, logs, tokens, encodings, regular expressions, and text transformations.
  • Create lightweight examples for documentation, tests, tutorials, customer support, and team handoffs.

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UUID Generator FAQ

Are UUIDs generated locally?

Yes. The browser crypto API is used when available.

What version is generated?

UUID v4.

Can I generate many at once?

Yes. Enter a count between 1 and 500.