UUID Generator

Generate random version 4 UUIDs in bulk for databases, tests and unique identifiers.

Developer Tools🔒 Private: runs in your browserFree · no sign-up
Loading UUID Generator…

How to use UUID Generator

  1. Add your input. Paste or type your content into the input area.
  2. Pick any options. Choose the settings you need for UUID Generator, or keep the defaults.
  3. Copy the result. Copy or download the output. Everything happens in your browser.

Why use UUID Generator?

  • Private by design: runs in your browser, nothing is uploaded
  • Free with no sign-up and no watermark
  • Fast, with no upload or download wait
  • Works on phone, tablet and desktop

Common uses for UUID Generator

  • Create IDs for database rows.
  • Generate test fixtures.
  • Produce unique keys for APIs.

Private by design

UUID Generator runs entirely in your browser. Whatever you type or paste is processed on your device and is never sent to our servers. Read our Privacy Policy for details.

Frequently asked questions

Are UUIDs truly unique?

Version 4 UUIDs are random and the chance of a collision is astronomically small for practical use.

Is UUID Generator free to use?

Yes. UUID Generator is free, needs no account and never adds a watermark to your result.

Is my input sent to a server when I use UUID Generator?

No. UUID Generator runs in your browser and nothing you enter is sent to our servers.

Does UUID Generator work on my phone?

Yes. UUID Generator is fully responsive and works in the browser on Android, iPhone, tablets and desktop computers.

Related tools

Hash GeneratorGenerate SHA-1, SHA-256, SHA-384 or SHA-512 hashes of text.JSON FormatterFormat, validate and minify JSON.Base64 Encode/DecodeEncode text to Base64 or decode Base64 back to text.URL Encode/DecodeEncode or decode URL-safe text (percent-encoding).JWT DecoderDecode a JWT's header and payload. Does not verify the signature.Color ConverterConvert colors between HEX, RGB and HSL.

Explore more in Developer Tools or browse all tools.