UUID/GUID Generator
Quickly generate standard UUID (Universally Unique Identifier) or GUID. Supports batch generation and various format customizations.
Generation Config
Count
Case
Generation Config
Config ready, click generate button.
Generation Results 

          
        

        

          

            
            Generated UUIDs will appear here...
          

          0
        

      

    

    

      LOCAL
      All operations are performed locally in the browser and no data will be uploaded.
    

  




      
      

        

          

            
What is UUID / GUID?

            
UUID is a 128-bit identifier for distributed systems. Version 4 (v4) is the most common, based on random numbers.

          


          

            

              
🎯

              
Core Values

              
  • Global Uniqueness
  • Decentralized Control
  • High Randomness
  • Standardized Format

            

            

              
📋

              
Common Formats

              
  • Standard with Hyphens
  • Plain Numbers/Letters
  • Uppercase/Lowercase
  • With Braces/Quotes

            

            

              
🚀

              
Use Cases

              
  • Database Primary Keys
  • API Request IDs
  • Distributed Transaction IDs
  • Temporary Filename Generation

            

            

              
💎

              
Technical Features

              
  • RFC 4122 Compliant
  • Local Browser Generation
  • Support Batch Operations

            

          


          

            

              
🚀 Usage Guide

              
  • Set the number of UUIDs to generate (default is 1).
  • Check hyphens, braces, case, etc. format options as needed.
  • Click the 'Generate UUIDs' button to get results.
  • Click 'Copy Result' or 'Download TXT' to save the generated identifiers.

            


            

            
💡 UUID Fun Facts

            

        

          
What is the collision probability of UUID v4?

          
UUID v4 has 122 random bits. Duplicate probability is practically negligible.

        

      
        

          
What is the difference between UUID and GUID?

          
Essentially the same. GUID is Microsoft's name for UUID.

        

      

          

        


        
        

          

            🔗
            Related Tools