Choose how many UUIDs you need.
Files stay on your device
UUID Generator
Generate cryptographically random version-4 UUIDs locally, individually or in batches of up to 1,000.
Private browser workspaceInput: Count → Output: UUID v4, text
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Your file never leaves this browser
Processing happens locally using browser APIs and on-device code. Closing this tab clears the working data.
How it works01 02 03
Done in three simple steps
Choose the number of UUIDs and generate them on your device.
Review the result, then download it.
Frequently asked questions
Does this tool upload my input?+
No. Your input is processed on your device using browser APIs and local code.
Are these UUIDs generated on a server?+
No. The browser uses its cryptographic random-number generator. UUIDs are not sent to our servers.
What are the limits?+
Uses the browser crypto.randomUUID API. Clipboard fallback is a plain-text download.