UUID Generator

Generate bulk cryptographically secure RFC 4122/8141 UUIDs (v1, v4, and modern time-ordered v7).

Quantity to Generate5
Generated Output
5.017 viewsYour data is processed in your browser and never sent to a server.

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Get to know this tool

What is the UUID / GUID Generator Tool?

UUID / GUID Generator is a free, fast, and secure offline web utility that creates random, standards-compliant UUID v4 identifiers entirely within your local device and browser, without transferring anything to external servers. UUIDs (Universally Unique Identifiers, also called GUIDs) are 128-bit values used as unique IDs for database records, API objects, file names, and distributed systems where collisions must be virtually impossible.

Key Features of UUID / GUID Generator

This utility runs entirely client-side to guarantee maximum performance and immediate execution. The main features include:

  • Cryptographically Secure Randomness: Each UUID is generated using the browser's crypto.randomUUID() API (a CSPRNG), not a predictable pseudo-random function, so the values are suitable for use as unguessable identifiers.
  • Bulk Generation: Generate between 1 and 50 UUIDs at once, each on its own line, ready to paste into code, spreadsheets, or databases.
  • Formatting Options: Optionally output the UUIDs in uppercase, and optionally strip the hyphens for formats that expect a plain 32-character hex string.
  • Fully Offline Execution: Our tool functions even without an internet connection once loaded, as all processing logic is embedded inside your browser session.
  • Complete Data Privacy: None of your generated values are transmitted over the network. There are no background API requests, meaning zero risk of data leaks.
  • No Setup or Sign-up: You do not need to register, download software, or pay hidden fees. It is instantly ready to use.

How to Use This Tool?

Getting started is extremely straightforward:

  1. Set the Quantity of UUIDs you want to generate (1 to 50).
  2. Optionally enable Uppercase or Remove Hyphens to match the format you need.
  3. Click Generate UUIDs. The values appear instantly in the output box, one per line.
  4. Select and copy the result and use it wherever you need.

Why Choose Our Client-Side Tool?

Most online UUID generators send a request to a remote server to produce your identifiers. Our tool generates every UUID locally using your browser's built-in cryptographically secure random number generator, so nothing about your usage ever leaves your device. This guarantees full privacy and delivers instant results without using any network bandwidth.