Online UUID Generator
Generate UUID v4 identifiers in batch with uppercase and hyphens options. 100% private, all processing in your browser
Frequently Asked Questions
A UUID (Universally Unique Identifier) is a 128-bit identifier that is practically unique. UUID v4 uses random values, making collisions extremely unlikely.
No. All generation happens locally in your browser. Your UUIDs never leave your device, fully protecting your privacy.
UUID v4 uses random or pseudo-random bytes for most of the identifier, providing uniqueness without a central authority. It is the most common UUID version.
Yes. Toggle the 'Hyphens' option off to generate compact 32-character hex strings without dashes, useful for database keys.
Yes. Set the count to generate up to 100 UUIDs at once, then copy them all with one click.
Completely free. This is a pure frontend online tool - no registration required, no payment needed, just open and use.
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