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Developer tool

UUID Generator

Generate cryptographically random v4 UUIDs in bulk.

Runs on-deviceNo sign-upFree

UUID Generator workspace

Workspace

UUID Generator

Runs locally

Nothing is fetched from an API. Results are produced with local data and cryptographic randomness where it matters.

Generated

The guide

By the utils.sbs team · Reviewed November 2026 · How we build and review tools

Quick answer

UUID Generator is a free browser-based developer tool. Generate cryptographically random v4 UUIDs in bulk. It runs with JavaScript and Canvas locally, requires no account and does not upload your files. Open the page, add your input, adjust any options and download the result.

What is UUID Generator?

UUID Generator is a free browser-based developer tool from utils.sbs. Generate cryptographically random v4 UUIDs in bulk. It is built for quick, focused jobs: open the page, add your input, adjust the options and take the result with you. No account, install or server upload is required.

At a glance

CategoryDeveloper
InputText prompts and the options shown on this page
OutputGenerated text, a list or an image
EngineJavaScript and Canvas
ProcessingIn your browser
PriceFree
AccountNot required

How UUID Generator works

The generator produces its output locally from the options you choose. Random output uses the browser's built-in randomness.

How to use UUID Generator

  1. 1Open UUID Generator and add your input.
  2. 2Adjust the options: how many, uppercase.
  3. 3Run the tool, check the preview or result, and download the output.

When to use UUID Generator

  • Create placeholder content for a design or prototype.
  • Generate a list, name or sample data set quickly.
  • Explore variations before writing the final copy.

Inputs and options

How many
Enter a numeric value.
Uppercase
Toggle this option on or off.

Limitations

Generated output should be reviewed before publishing, and random results differ between runs.

Privacy and accuracy

UUID Generator processes its input in the browser whenever the platform API allows it. Files and values are not uploaded to a server for processing, and the tool does not require an account. For calculations, use the result as a reference and verify important decisions against the source formula or a qualified professional. Read our methodology.

FAQ

UUID Generator questions

  • What can I do with UUID Generator?

    Generate cryptographically random v4 UUIDs in bulk. UUID Generator is part of the Developer shelf on utils.sbs and is designed for quick, one-off tasks.

  • Is UUID Generator free to use?

    Yes. UUID Generator is free, requires no account, and has no per-file or per-use charge.

  • Are my files uploaded when I use UUID Generator?

    No. UUID Generator is designed to process your input locally in the browser. Files are not uploaded to a server for processing.

  • What formats does UUID Generator support?

    It generates text, lists or images from the options you select and returns the result locally.

  • Can I use UUID Generator on my phone?

    Yes. UUID Generator is responsive and works in modern mobile browsers. Very large files may be limited by the device's available memory.

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