Use our free online GUID Generator to instantly create UUIDv4 identifiers for development, testing, or database use. Fast, secure, and 100% client-side.
GUID / UUIDv4 Generator
Generate secure, random GUIDs (UUIDv4) instantly online. Copy, download, or create multiple GUIDs without any backend. This tool works seamlessly in both light and dark modes.
How to Use the GUID Generator
- Select the number of GUIDs you want to generate.
- Choose the format: lowercase, UPPERCASE, with braces, or no dashes.
- Click Generate to create your GUIDs instantly.
- Copy or download the results for use in your projects.
FAQ – GUID / UUIDv4 Generator
What is a GUID?
A GUID (Globally Unique Identifier) is a 128-bit value used to uniquely identify information in computer systems. It helps prevent duplication and ensures that every record or object is truly unique.
What is UUIDv4?
UUIDv4 is a version of GUID that uses random numbers to generate a unique identifier. Each UUIDv4 is almost guaranteed to be globally unique, making it perfect for databases, applications, and APIs.
Do I need a backend to generate GUIDs?
No, this GUID Generator works entirely in your browser using the Web Crypto API. It’s secure, fast, and requires no server connection.
Can I generate multiple GUIDs at once?
Yes, you can generate up to 1000 GUIDs instantly. Simply select the count, click Generate, and you’ll receive all the unique identifiers at once.
Can I copy or download the generated GUIDs?
Absolutely. You can easily copy all generated GUIDs to your clipboard or download them as a .txt file for later use.