Why use online UUID Generator?

JieBang UUID Generator requires no software installation. Open your browser and start using it immediately. It's completely free with data processed locally for privacy.

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UUIDGenerate器

批量GenerateUUID v4，支持大小写和连字符格式

Generate数量

大写字母

带连字符

What is UUID Generator?

UUID Generator creates RFC 4122 compliant universal unique identifiers in batch. UUIDs are 128-bit numbers used for database primary keys, distributed systems, API request IDs.

How to Use UUID Generator?

Select UUID version (v4 random / v1 timestamp)
Set number to generate
Generate and copy with one click

Common Use Cases

Generate unique order or transaction IDs
Database primary key design
Unique identifiers in distributed systems

Why Choose JieBang UUID Generator?

100% free, no signup required
Data stays in your browser, completely private
Works on any device, instant access

Frequently Asked Questions

What is a regex tester?

A regex tester lets you write and test regular expressions against sample text in real-time, highlighting matches as you type.

How to test an API endpoint?

Enter the URL, select HTTP method (GET/POST/PUT/DELETE), add headers and body, then click Send. JieBang's API Tester shows the response instantly.

Are developer tools free?

Yes, all JieBang developer tools are 100% free — JSON formatter, Base64 encoder, regex tester, API tester, cron validator, and more.

UUIDGenerate器