UUID Inspector & v7 Generator
- This is not a valid UUID. Use 32 hex digits, with or without hyphens or braces.
- Version
- Variant
- Created (UTC)
- Created (your time zone)
- Unix time (ms)
- Node (MAC address field)
- Clock sequence
- Random bits
- Formats
- Version 1: time and node
- Version 2: DCE security
- Version 3: MD5 name-based
- Version 4: random
- Version 5: SHA-1 name-based
- Version 6: reordered time
- Version 7: Unix time and random, sortable
- Version 8: custom
- Nil UUID (all zeros)
- Max UUID (all ones)
- Unknown
- RFC 4122 / RFC 9562
- NCS (reserved, legacy)
- Microsoft (reserved, legacy)
- Reserved for the future
- Random node: the multicast bit is set, so this is not a real MAC address.
- Looks like a real hardware address.
- UUID v7 values created later sort after earlier ones, which keeps database indexes fast.
- UPPERCASE
- The remaining bits are a hash of a namespace and a name, so no time can be read from it.
- No timestamp is stored in this version.
About this tool
Paste any UUID to see its version, variant and, for time-based versions (1, 6 and 7), when it was created. You can also generate UUID version 7 values, which start with a timestamp so they sort in the order they were made. Everything runs in your browser.
Frequently asked questions
What is UUID Inspector & v7 Generator?
Read the version and creation time inside a UUID, and generate sortable UUID v7 values. It is one of the Security & Crypto tools on MyCodeTips.
How do I use UUID Inspector & v7 Generator?
Open the tool, enter or paste your input, and the result appears right away. Use the Copy button to copy it.
Is UUID Inspector & v7 Generator free to use?
Yes. It is free to use and does not need an account.
Is my data safe with UUID Inspector & v7 Generator?
Yes. It runs entirely in your browser, so what you enter is never uploaded to our servers.
Can I share my result?
Yes. Use the share buttons below the tool to post a link or copy a link to the tool page.
Which tools are related to UUID Inspector & v7 Generator?
UUID Generator, ULID Generator, Unix Timestamp Converter.
Related tools
- UUID Generator
- Unix Timestamp Converter
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