Generate one or more random UUID v4 identifiers instantly. Copy to clipboard with one click. Choose how many UUIDs to generate at once (1-100). Perfect for database primary keys, API identifiers, session tokens, and testing.
Workspace
Use the tool below. Your inputs stay local when the tool supports browser-only processing.
Workflow
Select from UUID versions such as v4 (random) or v1 (time-based) depending on your use case. When you use this random UUID generator, the tool creates a universally unique identifier that follows the standard 8-4-4-4-12 hexadecimal format with 122 bits of entropy.
Specify how many unique identifiers you need in a single batch — whether it is one ID for a database record or dozens for bulk data seeding. The tool generates multiple UUIDs simultaneously so you can use this random UUID generator to produce and copy them all at once.
The list of UUIDs appears in the output area formatted for easy copying. Use these identifiers as primary keys in your database, unique user IDs, session tokens, or request tracking IDs across your distributed systems — all generated by this free random UUID generator.
A random UUID generator produces identifiers that are globally unique across systems, tables, and even separate databases, making them ideal for distributed architectures and microservices where auto-incrementing integers would collide. When you use this random UUID generator, you get identifiers that can be safely merged across databases without conflicts.
UUID v4 generated by a random UUID generator uses 122 bits of random entropy, giving you an extremely low probability of collision. UUID v1 uses the current timestamp and the host machine's MAC address, which makes the IDs sortable chronologically but potentially exposes the generation time and hardware identity.