UUID Generator
Generate cryptographically random UUIDs in bulk with format options.
Browser RAM • 0 Uploads
Engine: Client JavaScript
Quantity to Generate:
Formatting Options:
Generated UUIDs (Version 4 Cryptographically Random):
Generated via browser Web Crypto API (
crypto.randomUUID)Zero-Upload In-Browser Execution GuaranteeVerified Local RAM
Processed directly on your device. Nothing is uploaded. This tool uses native Web APIs, Canvas, and client-side WebAssembly to process your files inside local browser RAM. No server receives your file, no telemetry logs your data, and no account is required.
Key Capabilities
- Uses browser crypto.randomUUID() for high cryptographic entropy
- Bulk generation from 1 to 100 UUIDs at a time
- Toggle hyphens, uppercase vs lowercase, and quotes formatting
- One-click copy all or download as text file
How To Use
1
Set Quantity
Choose how many UUIDs to generate (1 - 100).
2
Choose Options
Select uppercase or hyphens.
3
Generate & Copy
Click Generate and copy to clipboard.
Frequently Asked Questions
Are these UUIDs collision-free?
UUID v4 has 122 bits of randomness. The probability of generating a duplicate is astronomically low (near zero).