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Free Online Random GUID Generator

This free online tool allows users to quickly generate random GUID or UUID which is an acronym for 'Globally Unique Identifier' (or 'Universally Unique Identifier').

What is Random GUID Generator?

A random GUID generator tool lets you generate a Globally Unique Identifier (GUID) randomly. A GUID is a unique 128-bit integer having a minimal probability of being duplicated. This online tool lets you generate globally unique identifier strings via JavaScript, which means they will not be sent across the Internet. You can use the GUID codes to serialize Windows & Mac software or create coupon code for your online store.

Why use Random GUID Generator?

Online Random GUID Generators are useful when you want to generate a large number of unique identifiers in a consistent format within a short span of time. In addition, they help you track and identify resources that might be used by multiple devices or users. Random GUID Generators let you quickly generate GUID in just a few clicks, thereby saving time and manual effort.

How does Random GUID Generator work?

GUIDs and UUIDs are large, random numbers used to identify components in computer applications. As per the user inputs, this tool can generate up to 500 globally unique identifiers using several different version formats.

Is GUID a random number?

GUID is a 128-bit number for uniquely identifying any resource or object. A GUID is not a random number. However, it is designed to be unique. It is typically generated by combining the current date and time, the computer's MAC address, and a random number. These data are now run through a hashing algorithm, which generates a unique 128-bit number.

How unique is a GUID?

Since 128 bits is quite enough, and the generation algorithm is unique, there is only a 50% chance of duplication. The probability of two GUIDs being identical is almost one in 2^128 (3.4 x 10^38) or approx 3.4 undecillion.

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