Santekno/tools
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UUID Generator

Generate v1, v4, and v7 UUIDs in bulk — instantly in your browser.

Processed in your browserUpdated · Jan 2026

How to use UUID Generator

Paste your input on the left, choose the options you want, and the output appears instantly on the right. Everything runs in your browser — none of your data is sent to a server.

  • Paste or type your input in the INPUT panel
  • The output regenerates automatically as you type
  • Use Copy to put the result in your clipboard
  • Click Sample to load a working example

What is UUID Generator?

UUID Generator creates universally unique identifiers (UUIDs) following the RFC 4122 standard. Choose between v1 (time-based), v4 (random), or v7 (time-sortable). Generate up to 100 UUIDs at once. All UUIDs are generated locally. This tool is part of santekno's developer toolbox — a curated collection of utilities built for engineers who care about speed, privacy, and simplicity.

Common use cases

  • Debugging API payloads and integration issues
  • Inspecting tokens, hashes, or encoded strings during development
  • Generating fixtures and sample data for tests
  • Sharing readable output with teammates in code reviews

FAQ

UUID v4 is randomly generated. It has 122 bits of randomness and is the most commonly used version.