RizCraft

UUID / GUID Generator

Generate random UUID v4 (Universally Unique Identifier) values. Also known as GUIDs. All generation is done locally in your browser using crypto.getRandomValues().

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UUID Generator — Free Random UUID v4 & GUID Generator Online

Generate random UUID v4 values instantly with this free online UUID generator. Also known as GUIDs (Globally Unique Identifiers), UUIDs are essential for database primary keys, distributed systems, API identifiers, and session tokens. Each UUID is generated locally in your browser using cryptographically secure randomness.

Customize your output with options for uppercase formatting, brace wrapping for Windows-style GUIDs, and hyphen removal for compact identifiers. Generate a single UUID or bulk generate hundreds at once — simply set the count and click generate. All UUIDs are RFC 4122 compliant version 4.

This GUID generator is completely free, requires no signup, and works entirely in your browser with no server-side processing. Your generated identifiers are never stored or transmitted. Perfect for developers, testers, and database administrators who need unique identifiers on demand.