UUID Generator

Key Features

• Generates cryptographically random UUID v4 values
• Supports generating up to 50 UUIDs at once
• Standard UUID format (8-4-4-4-12 hexadecimal)
• Instant browser-based generation
• Copy-ready output for immediate use in code

How to Use UUID Generator

1. 1Choose how many UUIDs you need (up to 50).
2. 2Click generate to produce the UUID list.
3. 3Copy the UUIDs you need for your use case.
4. 4Paste them into your database seed, test data, or API request.

Database seed example

When seeding a database with test records, generate the required number of UUIDs upfront and assign them as primary keys. This lets you reference IDs predictably in related records before inserting any rows.