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UUID Generator

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Generate UUIDs to see results.

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This tool is provided as-is for convenience. Output should be verified before use in any production or critical context.

Programmatic Access

UUID Generator is also callable as a free HTTP JSON API at https://aidevhub.io/api/uuid-generator/ — GET with query parameters or POST with a JSON body, no authentication, CORS enabled, 50 requests/day per IP. Responses return { ok, tool, result, meta }. 

curl -s "https://aidevhub.io/api/uuid-generator/?version=v4&count=3"

Machine-readable contract: /api/tool/uuid-generator.json All API endpoints: /agents/ LLM site index: /llms.txt

Agent Invocation

Best Path For Builders

Dedicated API endpoint

Deterministic outputs, machine-safe contracts, and production-ready examples.

Dedicated API

https://aidevhub.io/api/uuid-generator/

OpenAPI: https://aidevhub.io/api/openapi.yaml

GET /api/uuid-generator/ GET uuid-generator
POST /api/uuid-generator/ POST uuid-generator

Unified Runtime API

https://aidevhub.io/api/tools/run/?toolId=uuid-generator&a=...

GET and POST are supported at /api/tools/run/ with identical validation and limits.

Limit: 30 req / 60s, input max 256 KB.

How to Use UUID Generator

  1. 1

    Choose UUID version and output format

    Select UUID v4 for random IDs or UUID v7 for timestamp-ordered IDs. Pick standard, no-dashes, or uppercase format based on your target system.

  2. 2

    Set bulk count

    Enter the number of UUIDs to generate from 1 to 100. Use bulk output when you need pre-generated IDs for fixtures, test data, or batch inserts.

  3. 3

    Generate IDs

    Click 'Generate UUIDs' to produce the list instantly in the output panel. Results are rendered in monospace for clean copy/paste into code, SQL, or configs.

  4. 4

    Copy individual values or all results

    Use row-level copy for a single UUID or 'Copy All' for newline-separated output. A short copied state confirms clipboard success.

Frequently Asked Questions

What is the difference between UUID v4 and UUID v7?
UUID v4 is fully random, while UUID v7 embeds a Unix timestamp plus randomness. v7 values are better for time-ordered inserts and index locality.
Can I generate multiple UUIDs at once?
Yes. Set the bulk count from 1 to 100 and generate a newline-separated list in one click.
Which output formats are supported?
You can output standard UUID format, no-dashes format, or uppercase format depending on your target system requirements.
Is UUID generation private?
Yes. UUIDs are generated client-side in your browser using Web Crypto, and nothing is uploaded.