UUID Generator
Creates UUID identifiers with version and formatting controls. It is for test data, mock records, fixtures, and systems that need unique-looking IDs.
Generated in your browser. Utilio does not store generated values.
UUID Generator
Runs locally in your browser. Your data is not uploaded.
The result will appear here after you enter valid input or generate it.
What UUID Generator does
Use UUID Generator when you need to generate UUID v4 or v7 values for fixtures and local tests.
When to use it
- Generate UUID v4 or v7 values for fixtures and local tests.
- Create batches of IDs for mock data.
- Switch uppercase, hyphens, or URN formatting to match a target system.
How to use it
- Choose UUID version and count.
- Set formatting options such as hyphens, uppercase, or URN.
- Copy the generated IDs into your fixture or request.
What to check
- Generated IDs do not reserve records in any database.
- Generate IDs in your own application for live writes when your system requires it.
Data, formats, and limits
What stays on your device and what is sent
Generated in your browser. Utilio does not store generated values.
Supported formats
This tool works with typed or generated values rather than uploaded files.
File limits and browser requirements
- Use an up-to-date browser and check the result on the device where you will use it.
Known limits
- Review generated values before using them in production, payments, access control, or public materials.
- For security-sensitive output, follow your team's requirements for length, entropy, and storage.
Troubleshooting
- If the result does not fit, change the settings and generate a new value.
- If the value is used for access, payments, or public material, check your system requirements before copying it.
- If copy does not work, select the result manually or repeat the action in an up-to-date browser.
Common questions
What does Utilio receive?
Generated in your browser. Utilio does not store generated values.
What is it useful for?
Use it when you need to generate UUID v4 or v7 values for fixtures and local tests. Start by choosing UUID version and count.
Do I need an account?
No. You can use this tool without creating an account.
Can I use it on a phone?
Yes. The tool works in a mobile browser, though longer input or detailed results may be easier to review on a larger screen.
How do I get a reliable result?
Choose UUID version and count. Then set formatting options such as hyphens, uppercase, or URN. Generated IDs do not reserve records in any database.
Does Utilio use my input or results to train AI?
No. Utilio does not use files, pasted text, settings, generated values, or results from this tool to train AI models.

