Generates a Version 4 UUID with Javascript.

UUIDs (Universally Unique Identifiers) are often used for identifying objects across a network or within a database. Typical usage includes file identification and database keys.

5 Reasons to Use UUIDs in Web Dev

Browser Session ID Generate a unique session ID on each browser refresh for distinct server-side session management.

Unique URLs Create unique URLs for sharing user-generated content like blog posts or documents to avoid collisions.

Database Records use as unique identifiers for database entries, ensuring each record remains distinct even if other data changes.

File Identification Assign UUIDs to files uploaded to a server, making it easier to manage them without worrying about duplicate filenames.

Real-Time Collaboration Utilize UUIDs to differentiate between multiple users or activities in real-time collaborative applications like shared editing platforms.

Formatted Lowercase UUID



Formatted Uppercase UUID



Unformatted Lowercase UUID



Unformatted Uppercase UUID