UUID/GUID Generator
Generate UUIDs (Universally Unique Identifiers)
About
This UUID generator creates RFC 4122 compliant UUIDs (Universally Unique Identifiers). UUIDs are used to uniquely identify objects across distributed systems without the need for a central authority. This tool generates Version 4 UUIDs, which are randomly generated. ### How to Use 1. Enter or paste your data in the input field. 2. Adjust any available settings or options. 3. Click the action button to process. 4. Copy or download the result.
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How to Use
This tool generates RFC 4122 compliant UUIDs (Universally Unique Identifiers) version 4. UUIDs are 128-bit numbers used to uniquely identify information in computer systems.
Number of UUIDs to Generate
1Generated UUIDs
UUID Format
UUID v4 format: xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx
- 8-4-4-4-12 hexadecimal characters
- 4th group starts with '4' (indicating version 4)
- 5th group starts with '8', '9', 'A', or 'B' (indicating variant 1)
- Randomly generated
Examples
Input
Generate UUID
Output
550e8400-e29b-41d4-a716-446655440000
UUID generation example
FAQ
What is a UUID?
A UUID (Universally Unique Identifier) is a 128-bit number used to identify information in computer systems.
How unique are UUIDs?
The probability of generating duplicate UUIDs is extremely low, making them suitable for most use cases.
Is this tool free?
Yes, this tool is completely free to use.
Is my data secure?
Yes, all processing is done in your browser. Your data is not sent to any server.
Does it work offline?
Yes, once the page is loaded, you can use the tool offline.