Selective Offline Mode
Get the security of online mode and the ease of offline mode, at the same time!
About this Mod
Allow unauthenticated players, such as custom bots, to join the game without authenticating through Microsoft. Use the /allowplayer <player> command to allow a player with that username to join in the next 60 seconds, even if they aren't logged in to a valid Microsoft account. This allows players you want on your server to join but prevents random griefers/etc. from joining.
Note: Should work with new-ish versions as it doesn't change much code but I've only tested it on 1.20.1, 1.20.4, and 1.21.4
FAQ:
- Q: Will this support forge?
- A: It doesn't right now and I have no plans to add support at the moment.
- Q: Can you backport it to older versions than 1.20?
- A: Probably not, but you could try just using a
fabric_loader_dependency.jsonfile to override it (be warned that this probably won't work)
- A: Probably not, but you could try just using a
- Q: Are these questions actually asked frequently?
- A: I don't know, but they seem like good things to answer
- Q: Are you just trying to fill up space on the mod page now?
- A: Yeah because it looks better this way
Requires Fabric API
Available Versions
How to Install Selective Offline Mode on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.5).
Install Mod
Open the mod browser in the dashboard and search for "Selective Offline Mode". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.5, 1.21.4, 1.21.3 (+10 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Selective Offline Mode server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.5). You can switch loaders with one click in the panel.
Is Selective Offline Mode compatible with fabric?
Selective Offline Mode officially supports fabric for Minecraft 1.21.5, 1.21.4, 1.21.3. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Selective Offline Mode – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Selective Offline Mode consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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Install Selective Offline Mode with just one click on your server.