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World & player

Player UUID Converter

Username to online and offline UUID.

Enter a username or UUID.
Offline UUIDs are case-sensitive: Steve and steve get different UUIDs.
Output
whitelist.json

                    
                

                
Offline UUIDs only. Stop the server before replacing the file.

            

        

    






    
Frequently asked questions

    

                    

                How do I find a player's UUID?
                
Enter their username in the lookup above. Server owners can also find it in usercache.json.

            

                    

                What is an offline UUID?
                
The UUID an online-mode=false server gives a player. It is made from the name alone, so the same name always gets the same UUID.

            

                    

                Can I switch from offline to online mode without losing progress?
                
Yes. Stop the server and rename each player's files in playerdata, advancements and stats from their offline UUID to their online UUID.

            

            







                

            

                
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