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UUID Generator

Generate random UUIDs (Universally Unique Identifiers) instantly online. Create single or bulk v4 UUIDs for your applications, databases, and APIs.

What This Tool Does

Generate random UUIDs (Universally Unique Identifiers) instantly online. Create single or bulk v4 UUIDs for your applications, databases, and APIs. This tool runs entirely in your browser, meaning your files are never uploaded to any server. Your data stays private and secure on your own device.

Simply upload your file, wait for the processing to complete, and download the result. It's fast, free, and works on any device with a modern web browser.

Frequently Asked Questions

What is a UUID?
A UUID (Universally Unique Identifier) is a 128-bit identifier that is virtually guaranteed to be unique across all devices and time. Also known as GUID.
What UUID version does this generate?
This tool generates UUID v4 (random), which uses cryptographically secure random numbers to create identifiers with an extremely low collision probability.
Can I generate multiple UUIDs at once?
Yes, you can generate up to 50 UUIDs at once and copy them all with a single click.
Are the UUIDs truly random?
Yes, we use the Web Crypto API (crypto.randomUUID) which provides cryptographically secure random generation.
Can I get uppercase UUIDs?
Yes! Toggle the uppercase option to generate UUIDs in uppercase format (e.g., A1B2C3D4-...).

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