Developer & Text ToolsFree100% Client-Side
UUID Generator
Generate one or many cryptographically random UUID v4 identifiers instantly.
100% privateRuns instantly in-browserUpdated regularly
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100% Secure & Private
Your files never leave your computer — processed in-browser with WebAssembly.
Lightning Fast
No queues, no uploads — results in milliseconds, even on mobile.
Modern & Ad-Light
Clean interface, dark mode, and no popups — built to beat legacy tools.
What you get
- Generate 1 to 50 UUIDs at once
- Uses crypto.randomUUID for true randomness
- Toggle uppercase and hyphen formatting
- Per-item and copy-all clipboard actions
- Live count of generated UUIDs
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Frequently asked questions
It generates version 4 (random) UUIDs using the browser's cryptographically secure random number generator.
You can generate between 1 and 50 UUIDs in a single batch using the quantity stepper.
Yes, both formatting options are available as toggles before copying your UUIDs.