Generate random UUIDs (v4) or time-ordered UUIDs (v7) in bulk, instantly.
Keep going with what you just made.
3f1a2c4d-5b6e-4f7a-9c8d-1e2f3a4b5c6dRFC 4122 v4 UUIDs
Sample output — your files never leave your device.
v4 UUIDs are purely random — 122 bits of randomness — which is what nearly every application needs. Other versions derive from timestamps (v1, v7) or name hashing (v3, v5). This generator produces v4, the safe general-purpose choice.
Effectively, yes — a v4 UUID has about 5.3×10³⁶ possible values, and they're generated with the browser's cryptographic RNG. The odds of a collision are astronomically low; that's the whole point of the format.
Yes — set the count up to 100 and generate; the whole list appears and copies to your clipboard in one click.
Functionally yes — GUID is Microsoft's name for the same 128-bit identifier format. A UUID from this generator works anywhere a GUID is expected.
Yes. UUID Generator is completely free on GenRise, with no limits, watermarks, or hidden paywalls.
No. Every GenRise tool works instantly in your browser — no account, email, or sign-up required.
No. UUID Generator runs entirely on-device using your browser, so your files are never uploaded or stored anywhere. All processing happens locally.
UUID Generator uses your browser's built-in capabilities — Canvas, WebAssembly, and File APIs — to process files locally. Generate random UUIDs (v4) in bulk, instantly. Simply open the tool, select your file, and the result is generated instantly on your device.
Yes. Since UUID Generator processes everything in your browser, your files never leave your device. There is no server-side storage, no tracking of file contents, and no data collection.
Yes. UUID Generator works on any modern browser, including mobile devices. It is fully responsive and optimized for both desktop and mobile use.
GenRise UUID Generator produces random version-4 UUIDs using the browser's cryptographic RNG via crypto.randomUUID() — the same API your backend would call. Generate one or a batch of up to 100 at once, copy any single UUID or the whole list with one click. Because generation is local, it's instant, works offline, and produces IDs that were never visible to any server.
UUID Generator runs entirely in your browser. Anything you enter or upload is processed locally and never sent to a server. There is no account required, no tracking of your content, and no data collection.