RFC 9562 · TIME-ORDERED · V1 COMPATIBLE

UUID v6 Generator

Genera UUID v6 identifiers con reordered timestamps, inspect 100-nanosecond time data, test lexicographic ordering, convert UUID v1 to v6 e analyze database locality direttamente nel browser.

Privacy-safe: Generated node identifiers are randomized and do not use your hardware MAC address.

Generated UUID v6

Generated UUID v6 values will appear here.

Che cos'è UUID v6?

UUID v6 è un time-ordered UUID formato defined by RFC 9562.It retains the 60-bit Gregorian timestamp model used by UUID v1,but rearranges the timestamp fields so the most significanttimestamp bits appear first.

This makes UUID v6 much more suitable per lexical sorting e database index locality than traditional UUID v1 identifiers.

UUID v6 Structure

  • 60 bits:Gregorian-epoch timestamp
  • 4 bits:versione 6
  • 14 bits:clock sequence
  • 48 bits:node identifier
  • 2 bits:RFC variante

UUID v6 vs UUID v1

UUID v1 e UUID v6 use the same underlying timestamp concept,but UUID v6 moves the timestamp in most-significant order.This means UUID v6 strings can be sorted chronologically muchmore naturally.

UUID v6 vs UUID v7

UUID v6 is mainly useful per systems that need UUID v1-stylecompatibility. UUID v7 uses Unix milliseconds e casuale datae is generally recommended per new applicazioni that needtime-ordered identifiers.

When Should You Use UUID v6?

  • Migration da existing UUID v1 systems
  • Time-ordered database identifiers
  • Systems requiring the UUID v1 timestamp model
  • Improved B-tree index locality
  • Testing e interoperability con RFC 9562 UUID v6

Frequently Asked Questions

UUID v6 è un time-based UUID formato defined by RFC 9562. It reorders the timestamp fields used by UUID v1 so that the most significant timestamp bits appear first.

UUID v6 was designed primarily per systems using UUID v1 that want improved database locality e lexicographic ordering senza abandoning the v1 timestamp model.

Sì. UUID v6 places its timestamp in most-significant order, making standard UUID strings naturally sortable by timestamp quando generato correctly.

Sì. UUID v6 contiene the same 60-bit Gregorian-epoch timestamp concept used by UUID v1, con 100-nanosecond resolution.

Questo generatore uses a cryptographically casuale node identifier con the multicast bit set, so your hardware MAC address is not exposed.

UUID v6 retains the v1 timestamp, clock sequence e node structure but rearranges the timestamp fields so the most significant timestamp bits come first.

UUID v6 è un reordered v1-style UUID using the Gregorian 100-nanosecond timestamp model. UUID v7 uses Unix milliseconds e casuale data e is generally preferred per new applicazioni.

Sì. A UUID v1 timestamp, clock sequence e node value can be transformed in the corresponding UUID v6 field layout. Questo strumento fornisce a v1 to v6 conversione feature.

No. Generation, conversione e analysis are performed locally in your browser.