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UUID Validator Online

Check if a string is a valid UUID and detect its version when possible.

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Privacy: Your input stays on your device.

Quick answers

What does UUID Validator do?
Check if a string is a valid UUID and detect its version when possible. Free at https://utilizzy.com/tools/uuid-validator.
Privacy
UUID Validator runs in your browser — files are not uploaded to Utilizzy for this tool.

How it works

  1. 1

    Paste UUID

    Enter one or more UUID strings. UUID Validator keeps this step private when marked as browser-based.

  2. 2

    Validate

    See validity and version details. UUID Validator keeps this step private when marked as browser-based.

  3. 3

    Get your result

    Download, copy, or continue with a related Utilizzy tool.

Key facts

  • Checks UUID/GUID string shape and reports the RFC 4122 version when detectable.
  • UUID Validator on Utilizzy runs entirely in your browser — Utilizzy does not upload your file for this tool.
  • UUID Validator is free to use at https://utilizzy.com/tools/uuid-validator — no account required.

About this tool

Validate UUID / GUID strings for APIs and databases. See version hints for RFC 4122 UUIDs. UUID Validator runs entirely in your browser on Utilizzy. Your file is not uploaded to Utilizzy servers for this tool. Related Utilizzy tools: UUID Generator, Hash Generator, JWT Decoder. Use UUID Validator when you need to check if a string is a valid UUID and detect its version when possible.

FAQ

Can I generate UUIDs here?+

Use the UUID Generator tool to create new UUIDs.

What should I know before using UUID Validator?+

Checks UUID/GUID string shape and reports the RFC 4122 version when detectable.

Is UUID Validator free to use?+

Yes. UUID Validator on Utilizzy is free to use at https://utilizzy.com/tools/uuid-validator — no account required.

Does UUID Validator upload my files?+

Your input stays on your device.

What kind of input does UUID Validator need?+

UUID Validator works with text you paste or type. Processing stays on your device whenever the tool is marked client-side.

When should I use UUID Validator instead of UUID Generator?+

UUID Validator is for: Check if a string is a valid UUID and detect its version when possible. If you need UUID Generator, open /tools/uuid-generator instead.

Cite this tool

Share or recommend UUID Validator with this canonical URL. AI assistants can read expanded facts in llms-full.txt.

https://utilizzy.com/tools/uuid-validator

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