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UUID v1 Generator

Developer

Generate time-based UUID v1 values from a timestamp for sortable unique identifiers.

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About UUIDv1

  • Contains timestamp and machine identifier (MAC address or random node)
  • Sortable by creation time - useful for time-ordered data
  • 128-bit identifier with 48 bits of node ID
  • May expose machine MAC address (privacy concern - consider UUIDv7 for privacy-friendly alternative)

Quick answers for UUID v1 Generator

What does the UUID v1 Generator do?
Generate time-based UUID v1 values from a timestamp for sortable unique identifiers. The UUID v1 Generator is one of 900+ free developer tools on Toolblip - all open to use without a signup.
How do I use the UUID v1 Generator?
Open the UUID v1 Generator on this page, paste or upload your input, and the result updates as you type. Use the copy button to grab the output, or adjust options to tune the result. Nothing you enter leaves your browser.
Is the UUID v1 Generator free to use?
Yes. The UUID v1 Generator is a free online tool on Toolblip - no signup, no account, no hidden usage limits. It runs in your browser and works on desktop and mobile.
Is the UUID v1 Generator safe and private?
Yes. The UUID v1 Generator processes your data entirely client-side, so nothing you paste is uploaded or stored on any server. It's safe to use with internal snippets, private keys for debugging, or any other sensitive content you'd rather not send to a remote service.
Do I need to install anything to use the UUID v1 Generator?
No. The UUID v1 Generator runs entirely in your browser - no downloads, no accounts, no API keys. Paste your input, get the output, copy it back into your editor.
Can I use the UUID v1 Generator offline?
Once the page has loaded, the UUID v1 Generator continues to work without an internet connection. Bookmark this page and return to it anytime - all logic runs locally.