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How to use
01
Choose how many
Pick 1-1000 UUIDs to generate.
02
Click Generate
We use the secure crypto.randomUUID().
03
Copy your UUIDs
Copy one or all at once.
Why UUID Generator
- Cryptographically strong UUID v4 from the Web Crypto API.
- Generate up to 1,000 at a time.
- Runs entirely in your browser.
Common questions
Is UUID Generator free to use?
Yes. UUID Generator is completely free. There is no sign up, no trial, and no usage cap.
Do I need an account to use UUID Generator?
No. You can start using UUID Generator straight away. We do not ask for an email address or a login.
Is my data uploaded to a server when I use UUID Generator?
No. UUID Generator runs entirely inside your browser, so the code or data you enter never leaves your device and nothing is sent to us.
Do you store the code or data I use with UUID Generator?
No. Because everything happens locally in your browser, there is nothing for us to store. Close the tab and it is gone.
Can I paste minified or messy code into UUID Generator?
Yes. UUID Generator handles compact, minified, or untidy input and processes it the same way.
Does UUID Generator flag errors in my input?
Where it applies, UUID Generator points out where something looks invalid so you can fix it quickly.
How do I use UUID Generator?
Enter or paste your code or data and UUID Generator updates the result as you go. When it looks right, copy or download it with one click.
Does UUID Generator work on phones and tablets?
Yes. UUID Generator is responsive and works in any modern browser on mobile, tablet, and desktop.
Which browsers does UUID Generator support?
It works in current versions of Chrome, Firefox, Safari, and Edge. For the best experience, keep your browser up to date.
Is there a limit on how often I can use UUID Generator?
No. You can use UUID Generator as many times as you need, at no cost.
Can I use UUID Generator for commercial or client work?
Yes. You are free to use the output in personal, educational, and commercial projects.
Why is UUID Generator free?
The site is supported by advertising, which lets us keep every tool free and open to everyone.
What should I do if UUID Generator gives an unexpected result?
First check that your code or data is formatted as expected. If something still looks wrong, use the feedback link on the page and we will take a look.