About This Tool
What is UUID Generator?
A tool for generating UUIDs (Universally Unique Identifiers). UUIDs are used to create unique identifiers without collision in distributed systems. They are commonly used for database primary keys, API request IDs, and session tokens.
How to Use
- Select the UUID version (default is v4).
- Enter the number of UUIDs to generate.
- Click 'Generate' to instantly create UUIDs.
- Click on a generated UUID to copy it.
Key Features
- UUID v4 (random-based) generation
- Batch generation of multiple UUIDs at once
- One-click copy functionality
- Cryptographically secure random number generation in browser
Tips
- UUID v4 uses 122 bits of random data, making collision probability extremely low.
- Using UUIDs as database primary keys prevents ID collisions in distributed environments.
- The UUID format consists of hexadecimal digits in 8-4-4-4-12 pattern.
UUID Generator
Generate random UUID (v4)
Frequently Asked Questions
Probabilitas tabrakan UUID v4?▼
Dengan 122 bit acak, butuh ~2,71 × 10^18 UUID untuk 50% peluang. Praktis mustahil.
Perbedaan versi UUID (v1, v4, v7)?▼
v1: timestamp+MAC. v4: murni acak (terpopuler). v7: timestamp+acak, ideal untuk primary key database.
UUID atau auto-increment?▼
UUID untuk sistem terdistribusi. Auto-increment untuk database tunggal. UUID v7 kompromi yang baik.
Related Tools
Password Generator
Generate secure random passwords
QR Code Generator
Generate QR codes from text or URLs
Lorem Ipsum Generator
Generate placeholder text
Placeholder Image Generator
Generate placeholder images with custom size, color, and text
Zalgo Text Generator
Convert text into Zalgo (glitch) text
Tone Generator
Generate sound at a specified frequency