IDs

UUID Tools

Generate secure UUID v4 values and validate your existing identifiers in bulk without sending them anywhere.

Open UUID Tools now

Opens the tool directly. Your work stays in your browser.

Private by design: UUID generation and validation happen in-browser, so your identifiers stay on your computer.

What it does

Generate random UUIDs for testing, staging, or sample records and validate a list of values to catch formatting mistakes.

Best for

  • Creating unique IDs for sample data.
  • Reviewing identifiers before a data import.
  • Validating a list of UUIDs for a test or QA pass.

Private and local

UUID generation and validation happen in the browser, so the data remains on your device during the process.

Frequently asked questions

Is UUID generation private?

Yes. The generated values are calculated in your browser and never need to be uploaded to a server.

Can I validate a batch of identifiers?

Yes. This is helpful for QA and data quality checks before import or production testing.

Do I need a special setup?

No. Generate or validate UUIDs directly in the page whenever you need a quick identifier check.