UUID Generator
Generate random UUID v4 instantly. Free, private, and local-first.
Tool facts
- Upload required
- No
- Signup required
- No
- Category
- Developer Tools
Use UUID Generator
Generate random UUID v4 values with browser crypto.
Generated UUIDsNo upload
2f0ec1f2-8d2f-4d74-b5f5-6e3fc0f9c1a19f3a1d0a-0d57-48a9-9f51-0e8f0b9a2a227e1f1c6e-6f7f-49de-b23a-4a5f1e14b833b83f35e2-dfb6-41b4-82b9-3fd0f0f6d345c452f01a-50b9-477e-a79a-16d61f8f1d2c
UUIDs are generated locally with the browser Crypto API.
What this tool does
Generate RFC 4122 compliant UUID v4 values
Bulk generate multiple UUIDs at once
Copy individual or all UUIDs to clipboard
Choose uppercase or lowercase format
How to use UUID Generator
- 1
Click Generate to create a new UUID v4.
- 2
Set the number of UUIDs to generate in bulk.
- 3
Copy a single UUID or all generated values.
- 4
Use the UUIDs in your database or application.
Examples
UUID v4
550e8400-e29b-41d4-a716-446655440000
Bulk
Generate 10 UUIDs at once
Use cases
- Generating primary keys for database records
- Creating unique identifiers for API resources
- Assigning session IDs in applications
- Naming files and assets with unique suffixes
Privacy and usage notes
CodeVella tools are designed to run locally in your browser. Your input is not uploaded to a server, and no account is required.
Generated test data is intended for development, QA, demos, and safe internal workflows.
Frequently asked questions
Is my data uploaded?+
No. This tool is designed to run locally in your browser.
Do I need an account?+
No signup is required for CodeVella tools.