UUID & ID Decoder / Inspector
Find out what an ID is, when it was created and how to write it in other formats.
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Help shape UUID & ID Decoder / Inspector
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Frequently Asked Questions
It's the first digit of the third group: xxxxxxxx-xxxx-7xxx-… is version 7. The decoder also checks the variant bits.
Yes for v1, v6 and v7 UUIDs, plus ULIDs, ObjectIds, KSUIDs, TypeIDs and Snowflakes. Random v4 UUIDs contain no time.
It can. The decoder shows the node field and whether its multicast bit marks it as random.
Yes — decoding happens entirely in your browser.