What This Tool Does
This browser-based tool uses the Web Crypto API through crypto.randomUUID() to generate UUID v4 values, then formats them as standard UUIDs, uppercase UUIDs, compact IDs without hyphens, or brace-wrapped GUIDs.
MV ToolsText tool
UUID Generator
Generate random UUID v4 values in your browser for development, testing, and database records.
Online UUID v4 Generator
Generate random UUID v4 values in your browser for development, testing, and data records.
Common Use Cases
- Creating test identifiers for APIs, databases, or fixtures
- Generating multiple random IDs for development data
- Copying UUIDs in standard, uppercase, compact, or brace-wrapped formats
How Data Is Handled
UUID generation runs locally in your browser. Generated identifiers are not uploaded to the backend.
FAQ
Which UUID version does this tool generate?
It generates random UUID v4 values using the browser crypto API.
Can I generate multiple UUIDs at once?
Yes. Generate between 1 and 1,000 UUIDs in one batch.
Are generated UUIDs stored?
No. They are generated locally in your browser and are not saved by MV Tools.