Whitelist Builder
Paste a list of usernames and get a ready whitelist.json or ops.json with real UUIDs, or offline-mode UUIDs for cracked servers.
Usernames
One per line, or separated by commas or spaces
Mode
Looks up each account’s real UUID through Mojang. Use this for normal servers and proxies with forwarding.
Nothing yet.Using the files
Stop the server, put whitelist.json or ops.json in the server folder (replacing the old one), then start it again. If the server is running, edits to the file are overwritten. Use the commands tab instead, or run /whitelist reload after editing. Turn the whitelist on with white-list=true in server.properties or /whitelist on.
Online or offline UUIDs
Online-mode servers identify players by their Mojang account UUID, which is looked up here. Offline-mode servers make a UUID from the name instead: a version 3 UUID of OfflinePlayer: plus the exact name, so capitalisation matters. Only use offline UUIDs if your server (or every backend behind your proxy) runs with online-mode=false and no forwarding.
Op levels: 1 can bypass spawn protection, 2 can use cheat commands and command blocks, 3 can kick, ban and op, and 4 can use every command including /stop.
ZCraft Studios
Want us to set up your server?
Our team installs and configures plugins, sets up game modes, fixes errors and tunes performance. You talk to us directly on Discord.