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UUID Generator
Generate UUID v4 in bulk
Everything runs locally in your browser. Your data never leaves your device.
About this tool
Generate cryptographically random version 4 UUIDs using the browser's native crypto API. Create a single identifier or hundreds at once, with options for uppercase output and hyphen removal.
Frequently asked questions
Are the UUIDs cryptographically random?
Yes. They are produced with the browser's secure crypto.randomUUID API where available.
Can I generate many at once?
Yes. Set the count to generate up to 1000 UUIDs in a single click and copy them all.