UUID Generator
Developer ToolsGenerate random v4 UUIDs in bulk
Embed this tool on your websiteFree
- Choose how tall the frame should be.
- Press Copy code.
- Paste it into your page, blog, WordPress or Notion HTML block.
The tool runs inside your visitor's browser, nothing is uploaded, and a small "Powered by ToolCloak" line stays under it. The second line (script) is optional: it makes the frame fit the tool's height.
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History
All history →UUID Generator — at a glance
Create unique IDs for databases, APIs and apps. Every UUID is random and practically impossible to repeat.
How to use it — step by step
Nothing to paste — choose how many you need and press generate.
Choose options
Pick the mode and options that fit what you need.
Generate UUIDs
Press the button. The result is created instantly on your device.
Copy the result
Check the output and press Copy to use it anywhere.
Pro tips
Small things that make the result better.
Quick facts
Frequently Asked Questions
What is a UUID?+
A 128-bit identifier written as 32 hexadecimal digits, like 123e4567-e89b-42d3-a456-426614174000.
Can two UUIDs be the same?+
The chance is so tiny that for real-world use it is considered impossible.
UUID vs GUID?+
They are the same thing; GUID is the term Microsoft uses.
Is my data safe?+
Yes. Everything runs inside your own browser. Your text, files and images are never uploaded to any server.