UUID Generator

About This Tool

This UUID Generator is a simple, fast, and reliable tool for generating RFC 4122 compliant UUID v4 (Universally Unique Identifier) values. It uses the browser's native crypto.randomUUID() API for maximum security and performance.

How to Use

• Set Quantity: Use the number input or slider to select how many UUIDs you want to generate (1-100)
• Generate: Click the "Generate" button to create the UUIDs
• Copy Single: Click the "Copy" button next to any UUID to copy it individually
• Copy All: Click "Copy All" to copy all generated UUIDs at once (each on a new line)

UUID Format

Generated UUIDs follow the standard v4 format:

Where:

• 4xxx - Version number (always 4 for random UUIDs)
• yxxx - Variant (8, 9, A, or B)

Browser Compatibility

This tool works in all modern browsers that support the Web Crypto API, including:

• Chrome 92+
• Firefox 95+
• Safari 14.1+
• Edge 92+

Privacy

All UUID generation happens locally in your browser. No data is sent to any server. Your generated UUIDs never leave your device.