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🆔

UUID Generator

Generate universally unique identifiers (UUID).

UUID Generator

Generate universally unique identifiers (UUID).

Generated UUIDs
Count
UUID Type
UUID v4 (Random)
Output Format
Raw Text
📖 Usage Guide
Configure Parameters
Set the number of UUIDs and select the version type
Choose Format
Select the output format for your UUIDs
Generate and Copy
Generate UUIDs and copy them to clipboard
✨ Features
🔒
Cryptographically Secure: Uses browser's crypto API for secure random generationUses browser's crypto API for cryptographically secure random generation
📏
Multiple Versions: Support for UUID v1 (time-based) and v4 (random)Support for UUID v1 (time-based) and v4 (random) versions
⚡
Batch Generation: Generate up to 100 UUIDs at onceGenerate up to 100 UUIDs in a single batch operation
📋
Multiple Formats: Output as raw text or JSON arrayOutput in raw text or structured JSON array format
🌐
Standards Compliant: RFC 4122 compliant UUID generationRFC 4122 compliant UUID generation
🏠
Local Processing: Complete local processing with no server-side storageComplete local processing with no server-side storage
🔬Technical Introduction
What is UUID?UUID (Universally Unique Identifier) is a 128-bit identifier that is guaranteed to be unique across time and space. It's widely used in distributed systems, databases, and applications to generate unique identifiers without coordination.
Security Best PracticesBest practices for using UUIDs in secure applications
📚 Related Documents
RFC 4122 - UUID Specification- Official RFC 4122 specification for UUID format and generation
Wikipedia - UUID- Wikipedia article about UUID and unique identifiers
MDN Web API - Crypto.randomUUID()- MDN documentation for Crypto.randomUUID() API
UUID Generator Online- Online UUID generator tool and resources
uuidjs/uuid Library- JavaScript library for UUID generation