UUID online generator

UUID (Universally Unique Identifier, Universal Unique Identifier) is widely used in software development, database management and distributed systems in a 128-bit unique identifier. Its standard format is8-4-4-4-12 hexadecimal string (e.g. 123e4567-e89b-12d3-a456-426614174000), which ensures that it is globally absolute uniqueness worldwide。

Tool Functions

• One-click generation： Generate RFC 4122-compliant UUID v4 (randomised version) with a single click.
• Batch Generation： Generate multiple UUIDs at once in customisable quantities.
• Format Compatibility： The output contains the standard hyphenated format, but also provides a simplified version with pure numbers and letters.
• Instant Copy： The generated UUIDs can be copied directly to the clipboard to improve work efficiency.

Usage Scenarios

• Assign unique IDs to database records, API requests or distributed systems.
• Quickly generate identifiers during development and testing to avoid duplicate conflicts.
• Scenarios that require uniqueness, such as file naming and session identification.

How to use

1. After opening the web page, click“ Generate UUID" button. button. 2.
2. Select the number of UUIDs to generate according to your needs (1-100). 3.
3. Copy the result or use it directly in your project. There is no need to install any software. Totally free It supports all modern browsers, making it a great tool for developers and IT professionals!