PDFly XO

UUID / GUID Generator — Free Online Tool

Generate 1 to 500 random UUIDs with uppercase, lowercase, and hyphens/no-hyphens options.

Interactive Tool Workspace Ready

Upload your file to begin processing locally on your device with WebAssembly security.

How to Use UUID / GUID Generator Online

  1. Step 1: Select UUID Version & Count — Choose RFC 4122 Version 4 (cryptographic random) or Version 1, and select batch quantity.
  2. Step 2: Cryptographic Entropy Generation — Uses browser `crypto.getRandomValues()` for collision-resistant, secure entropy.
  3. Step 3: Copy UUIDs to Clipboard — Copy single or bulk UUIDs in lowercase, uppercase, or without hyphens.

Why Use PDFly XO for UUID / GUID Generator?

  • 100% Client-Side Privacy: All file processing is performed locally in your web browser. Your private documents are never uploaded to any remote server.
  • Zero Wait Time: Local WebAssembly execution ensures near-instant document processing without file size upload latency.
  • Free & Unlimited: Complete access with no subscriptions, watermarks, or hidden paywalls.

Frequently Asked Questions

Is UUID / GUID Generator free and private to use?
Yes, 100% free with no paywalls or watermarks. Supported file tools run processing locally in your browser memory for maximum speed and privacy.
Do I need to install any software or create an account?
No software installation or account registration is required. You can use UUID / GUID Generator instantly in any modern desktop or mobile web browser.
How fast is processing with UUID / GUID Generator?
Because calculations and file rendering occur directly on your local device CPU/GPU without network latency, operations complete almost instantaneously.

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