UUID Generator
Generate cryptographically-secure UUID v4s — bulk & instant.
See how it works
Watch a quick simulation of this tool in action — no file needed.
How to use UUID Generator
Follow these steps — everything happens instantly in your browser.
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Step 1. Set how many UUIDs you want (1 – 100).
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Step 2. Toggle uppercase or hyphen-free output if you need a different format.
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Step 3. Click Generate UUIDs.
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Step 4. Copy individual IDs or all of them with the Copy all button.
Why use this tool
Private by design
All processing happens locally in your browser. Open DevTools → Network and you'll see zero file uploads. Ever.
Instant
No upload wait, no queue, no server round-trip. Results appear the moment you drop a file.
Free & unlimited
No accounts, no watermarks, no daily caps. Use it as many times as you like, forever.
Works everywhere
Desktop, tablet or phone — every tool is responsive and installable as a PWA for offline use.
Frequently asked questions
Everything you might want to know about uuid generator.
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