01
Select Version
Choose UUID v4 (fully random), UUID v1 (time-based), or UUID v7 (timestamp-based).
Online UUID Generator
Use this free Online UUID Generator to generate unique UUIDs instantly. Create random UUIDs for databases, APIs, applications, testing, and development projects.
Online UUID Generator
Generated Output
No UUIDs generated yet
Click generate to create unique IDs
How to use
Use this uuid generator online in three simple steps
Our workflow is designed to be straightforward, allowing you to complete your task in seconds.
02
Configure Output
Select quantity, uppercase hex casing, format layout, and hyphen preferences.
03
Generate & Copy
Click copy/download to export single or batch generated UUID strings instantly.
Fast results
Numbers update in real time, so iteration stays quick.
Focused UI
Clean hierarchy keeps actions and outputs easy to scan.
SEO ready
Structured sections improve readability and crawlability.
Scalable shell
New tools can reuse this layout without UI drift.
Use cases
Useful for different workflows
Database Keys
Assign UUID v4 values as primary keys in SQL or NoSQL.
Session Identifiers
Create unique transaction session strings.
Testing Mockups
Populate test columns with unique token strings.
Tool guide
Generate UUID Online
An Online UUID Generator is a tool that creates unique identifiers instantly. UUID stands for Universally Unique Identifier. It is commonly used in software development, databases, APIs, and applications to identify records or objects uniquely.
Here is an example of a generated UUID:
550e8400-e29b-41d4-a716-446655440000
Free UUID Generator Online
To generate a UUID online, click the generate button and the tool will instantly create a new unique UUID. You can copy the UUID and use it in your project, database, API, or test data.
What is a UUID?
A Universally Unique Identifier (UUID) is a 128-bit label used to uniquely identify information in computer systems without significant central coordination.
How to Use the Online UUID Generator?
Adjust settings like quantity, casing (uppercase), and version (v4, v1, or v7), then click generate to get unique identifiers instantly. You can choose to generate a single UUID or select options for multiple UUIDs to download or copy in bulk.
Where Can You Use UUIDs?
UUIDs are commonly used for:
- Database record IDs
- API request IDs
- User IDs
- Product IDs
- Session IDs
- Testing data
- Software development
- Distributed systems
UUID Generator for Developers
A UUID generator online helps developers quickly create unique IDs without writing code. It is useful when testing apps, creating sample data, or generating unique values for databases.
FAQ
Frequently asked questions
What is a UUID?
A UUID is a unique identifier used to identify data, records, users, objects, or resources in software systems.
Is this online UUID generator free?
Yes, this online UUID generator is free to use.
Can I generate multiple UUIDs?
Yes, the tool should allow users to generate multiple UUIDs at once.
Is UUID generator online and online UUID generator the same?
Yes, both keywords refer to the same type of tool.
Where can I use generated UUIDs?
You can use UUIDs in databases, APIs, apps, testing, user records, and development projects.
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