Uvlio

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UUID Generator

Generate UUID v1, v3, v4, v5, v6 and v7 with namespace, batch output, uppercase and hyphen options.

Workspace

Work here first, inspect the output, then decide the next move.
WorkflowLocal

This workspace processes the content directly in your browser.

Formatting, decoding, validation, and common file work stay local whenever possible, then continue in the same result area for copy, download, or the next step.

See related workflows
Input

Paste content, choose a file, or load a sample first.

Process

The content stays in the local browser by default.

Result

After processing, copy, download, or continue into a related workflow.

Options

UUID version
Count

v7 works well for sortable modern IDs, while v4 remains the classic random choice.

Generated UUIDs

Generated UUIDsWaiting for output

The first UUID is shown above, and the full batch appears below.

0Count
V4Version
NoUppercase
KeepHyphens
UUID list
Generated UUIDs will appear here.

Best For

Generate UUID v1, v3, v4, v5, v6 and v7 in the browser for testing, stable namespaces, sortable IDs and development workflows.

Common tasks

  • Create random or sortable IDs
  • Generate stable namespace-based UUIDs
  • Prepare demo data, fixtures and placeholders
Related Articles
UUIDs Explained: Versions, Randomness, Sorting, and Safe Use

A technical guide to UUID versions, why v4, v5, and v7 behave differently, and where UUIDs are useful or misleading in application design.

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ID, Password and Hash Tools

Generate UUIDs, passwords, TOTP codes, hashes, and quick security check values.

Key Questions