Free Online Tool · No Upload · 100% Private

UUID Generator

Generate unique V4 identifiers instantly

🔒 No Upload ⚡ Instant 🆓 Always Free

How to Use UUID Generator

    Why Use UUID Generator?

      Frequently Asked Questions

      Is UUID Generator free to use?

      Yes, completely free with no daily limits, no file size caps, and no signup required.

      Does UUID Generator upload my files to a server?

      No. All processing happens locally in your browser using WebAssembly. Your files never leave your device.

      What browsers support UUID Generator?

      It works in all modern browsers including Chrome, Firefox, Safari, and Edge. No plugins or extensions required.

      Is there a file size limit for UUID Generator?

      No strict limit — processing is bounded only by your device's available RAM. Most files under 500MB process smoothly.

      🔒 Your Privacy is Guaranteed

      UUID Generator uses WebAssembly (WASM) to run entirely in your browser. Open your browser's Network tab while using this tool — you'll see zero requests carrying your file data. Unlike iLovePDF and Smallpdf which upload your files to cloud servers, Dumkera processes everything locally on your device. Your data never leaves your machine. We are GDPR-compliant by design.