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UUID and Secure Random Generator

Generate identifiers, passwords and tokens with clear entropy settings.

This calculator runs in your browser. Nothing is sent to a server.

Mode

Length chars

Used for password and hex-token modes.

Count

Alphabet

Custom alphabet

Exclude 0/O/I/l/1Exclude 0/O/I/l/1

Save generated valuesSave generated values

Even if enabled, values are only in this result. They are never written to history or URLs.

How it works

Processing stays in this browser tab. Source files are not uploaded. Export is a new copy; originals are not overwritten.