Generate random version 4 UUIDs, one or a hundred at a time.
Version 4 UUIDs from your browser's secure random generator.
Last reviewed by the OnlineToolPro team
A UUID is a 128-bit identifier that's practically guaranteed to be unique. These are version 4 UUIDs made from your browser's secure random generator.
How it works
3 simple steps. No experience needed.
Good to know
They're the same thing. GUID is Microsoft's name for a UUID. Both are 128-bit identifiers written as 32 hexadecimal characters, usually in five hyphen-separated groups.
Version 4 UUIDs are completely random, so they reveal nothing about when or where they were created. They're ideal for database keys, file names and request IDs.
FAQ
In theory, but the chance is so small it can be ignored for any practical purpose.
Up to 100 at a time, with or without hyphens. Copy them or download them as a text file.
They come from a cryptographically secure generator, but UUIDs are designed as identifiers. For secrets, use a dedicated token generator with more randomness.
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