UUID Generator
About this tool
UUID Generator is a free online tool that creates universally unique identifiers (UUIDs) instantly. UUIDs are widely used in software development to generate unique IDs for database records, APIs, sessions, and distributed systems.
Instead of relying on auto-increment IDs, many modern applications use UUIDs to ensure uniqueness across systems and databases.
This tool allows developers to generate one or multiple UUIDs instantly without installing any libraries or running command line tools.
What is a UUID?
A UUID (Universally Unique Identifier) is a 128-bit identifier used to uniquely identify information in computer systems.
For example:
550e8400-e29b-41d4-a716-446655440000UUIDs are commonly used in:
- databases
- distributed systems
- API identifiers
- session tokens
How to use UUID Generator?
- Choose the number of UUIDs to generate
- Click Generate
- Copy the generated UUIDs
Features
- Generate UUID v4
- Generate multiple UUIDs
- Instant generation
- Copy with one click
- Browser-based tool
FAQ
What is UUID v4?
UUID v4 is a randomly generated unique identifier commonly used in software systems.
Can I generate multiple UUIDs?
Yes, this tool lets you generate one or many UUIDs at once.
Are UUIDs guaranteed to be unique?
While not mathematically guaranteed, the probability of collision is extremely small.