UUID Generator

Generate secure random UUID v4 identifiers instantly. Create one or multiple UUIDs, copy them, or download them as a text file.

Number of UUIDs

1–100

Generate up to 100 UUIDs at once.

Generated UUIDs

5 UUIDs generated

b7d7554c-68cf-437c-9980-05c5f8d2c0fd

291c0c92-6f95-446b-a4da-111de34e9939

d7d7d909-e593-4e67-8112-cacc40cf456e

46e74d63-ed08-4b0c-befc-4e27a19fc0da

c5ecbfcd-0bb0-4ecb-843a-df7e9896487b

Secure Random UUIDs

Uses the browser's cryptographic random UUID API when available.

Bulk Generation

Generate between 1 and 100 UUID v4 identifiers in a single action.

Easy to Copy

Copy individual UUIDs or copy the complete generated list at once.

What is a UUID?

UUID stands for Universally Unique Identifier. It is a 128-bit identifier commonly represented as 32 hexadecimal characters separated into five groups. UUIDs are widely used for database records, API resources, sessions, files and distributed systems.

550e8400-e29b-41d4-a716-446655440000

What is UUID v4?

UUID version 4 is a randomly generated UUID format. The version and variant bits are fixed according to the UUID specification, while the remaining bits are generated randomly.

Generated entirely in your browser — your UUIDs are not sent to a server.

Private and browser-based

UUID generation and validation happen locally in your browser. No generated UUIDs are uploaded or stored by ToolSquare.