UUID Generator
Generate random v4 UUIDs using the Web Crypto API.
Generate random UUID v4 identifiers. Create one or many unique IDs instantly for databases, APIs, and testing.
How to Use
- 1 Configure your options (length, format, etc.)
- 2 Click generate to create the output
- 3 Copy the result to your clipboard
Why Use This Tool
Private & Secure
Your data never leaves your device. Everything is processed right in your browser — nothing is uploaded or stored on any server.
Lightning Fast
No waiting for uploads or server processing. Results appear instantly because all the work happens on your machine.
Free, No Sign-Up
Use this tool as many times as you want. No account required, no email, no limits — just open and go.
Frequently Asked Questions
Is UUID Generator free to use?
Yes, UUID Generator is completely free with no usage limits, no account required, and no ads. You can use it as many times as you need.
Is my data safe when using UUID Generator?
Absolutely. UUID Generator runs entirely in your browser. Your files and data are never uploaded to any server — everything is processed locally on your device.
Is there a character or text length limit for UUID Generator?
There is no hard limit. UUID Generator can handle very long texts, though extremely large inputs (millions of characters) may slow down depending on your device.
Can I use UUID Generator on my phone?
Yes, UUID Generator works on any device with a modern browser — including phones and tablets. The interface adapts to your screen size automatically.