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UUID Inspector

Identify a UUID version and variant, and extract the timestamp from v1, v6 and v7.

A UUID inspector reads the version and variant bits to identify which of the eight UUID versions an identifier uses, validates the 8-4-4-4-12 format, and extracts the embedded creation timestamp from versions 1, 6 and 7 — the only versions that carry one.

Runs in your browser
Privacy
Runs entirely in your browser — nothing is uploaded
Cost
Free, unlimited, no sign-up

Frequently asked questions

Why is UUIDv7 better for database keys?

Its first 48 bits are a Unix millisecond timestamp, so new values sort after old ones. That keeps B-tree inserts at the right-hand edge of the index instead of scattering them, which on large tables is a substantial performance difference.

How to use the uuid inspector

  1. 1Enter or paste your uuids.
  2. 2The result appears immediately — copy or download it.

Embed this tool

Put the working uuid inspector on your own site. It runs in your visitors' browsers exactly as it does here — free, no account, nothing uploaded.

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