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Mineforgian

OfflineLAN

A mod that adds a toggle in the "Open To Lan" / "Multiplayer" menu to disable online-mode on the integrated server

32K загрузок29 подписчиковGPL-3.0-or-laterfabric

Обновлён 17 июня 2026 г. · опубликован 16 апреля 2025 г.

Скачать 1.2.1(8 КБ)
  • 26.1 Version of the "Open To Lan" UI
  • The Open To Lan UI
  • 26.2 Multiplayer Screen
  • Chat feedback!

OfflineLAN: a Fabric mod that brings the online-mode server config into the client via in-game GUI

OfflineLAN is a Fabric mod that gives you the power to manage your online-mode configuration directly that is usually accessed from server.properties to your client where it was previously inaccessible.

Online-mode is a sever-side config that dictates whether players need to authenticate with Mojang's servers before joining. When online mode is enabled, players must verify their Minecraft accounts, ensuring they have logged in and can access their profile. If online mode is disabled, the authentication process is skipped entirely, useful if you want a second minecraft instance to join your world that is ran with "offline mode" in MultiMC.

This mod works with vanilla clients!, you would only need the mod if you're hosting the world.

This mod DOES NOT need any other dependencies!, its completely standalone and i will keep it updated for older versions just like SyncedAdvancements, version 1.18 and prior is coming someday.

How to use:

  • Just.. Open To Lan and it'll show you the options, and make sure you read the Caveats below!

Additional Infos/Caveats:

  • The toggle for the Online-mode DEFAULTS TO ON (just like in server.properties), So you have to deliberately turn it OFF for the mod to take effect.
  • This mod takes effect ONLY when you Open To Lan, it wouldn't make your world insecure just by having it installed.
  • This works exactly like it would work on dedicated servers (if port-forwarded, or using e4mc/e4mcbiat)
  • BE wary that Online-mode is a dangerous option to toggle, i am not responsible if your world gets griefed by malicious actors. Always have a backup of your world and have a security layer ready.
  • if Online-mode is toggled OFF, External playersdatas will be identified with a locally generated UUID, which means a player who was playing with Online-mode toggled ON, might lose their entire progress on the world if Online-mode was suddenly toggled OFF. to mitigate this, you can migrate the old playerdata to the new UUID (yes this is possible, my friend who wasn't as tech savvy could figure it out, it doesnt need rocket science). This does not affect the host, as playerdata of the host is stored in level.dat, and that playerdata is presistent regardless of UUID. Turning Online-mode back ON will make it resolve to their account UUID again, restoring their progress.

Версии

ВерсияКаналИграЗагрузчикиДатаСкачать
1.2.1Релиз26.2fabric17 июня 2026 г.Скачать (8 КБ)
1.2Релиз26.1, 26.1.1, 26.1.2fabric26 марта 2026 г.Скачать (6 КБ)
1.1.2Релиз1.21.11fabric10 декабря 2025 г.Скачать (6 КБ)
1.1.1Релиз1.21.7, 1.21.8, 1.21.9, 1.21.10fabric27 ноября 2025 г.Скачать (6 КБ)
1.1Релиз1.21.5, 1.21.6, 1.21.7, 1.21.8fabric18 июня 2025 г.Скачать (6 КБ)

Ченджлог

1.2.1Релиз26.2 · 17 июня 2026 г.

Maintanance update!

  • Updated to 26.2!, I thought OfflineLAN was dead because of P2P, but they cut it! So OfflineLAN still has a chance.
  • The Online Mode settings will now be preserved on settings exit, but not on world exit, Just like how the other settings behaves (Its default value is ON)
  • Added an in-game chat message to let you know if you've opened to LAN with online mode disabled, so you can be more aware when your world is insecure.

26.2 Made it so that you can now open/close LAN worlds without relogging, And with that... You can now toggle Online Mode with various other settings on the fly! I tried it out and it was super unbeleivable how well this works!

That's all, thank you for using OfflineLAN!

1.2Релиз26.1, 26.1.1, 26.1.2 · 26 марта 2026 г.

Small maintanance update + Letter again

  • Updated to 26.1, New chapter for my mods as i already dropped multiversion in the last update, it shouldn't matter as much because OfflineLAN is such a small mod and doesn't need frequent update to function. Will look forward to supporting other loaders for one-shot mods like this!

  • Changed the button position to be more pleasant, The reason why it was like that before was because of multiversion, but now that the port number thing is 100% expected, i moved the button to somewhere more pleasant

    Replace this with a description

This is my first mod to be updated to 26.1! Please be patient as i update all my mods, All of my mods will be updated eventually.

SpecSpoof is not guaranteed to be on time, as the mod has a dependency with VulkanMod and SodiumExtra, according to the 26.1 Porting guide, "No existing mods for 1.21.11 or older versions of Minecraft will work on 26.1, even as a compile-only dependency." This is kinda one of the reasons why i don't like having external dependencies

That's all, thank you for using OfflineLAN!

1.1.2Релиз1.21.11 · 10 декабря 2025 г.

Small maintanance update + Letter

  • Updated to 1.21.11 and dropping support for multiversion, reasoning is the same as my other mods, my mods are mostly feature-locked, so maintaining the old versions along with the newer ones just wastes energy. (support for previous version are still avaibale through 1.1.1)

This is my first mod to be migrated from Yarn to Mojmaps to prepare for the 26.1 unobfuscated release, All of my mods will be updated eventually with the following priorities (first -> last):

  1. Mods that i personally use (OfflineLAN)
  2. Mods that has many downloads (SyncedAdvancements, Rose-Bush, SpecSpoof, BoostedExperience)
  3. Mods that has low downloads (Riptide Outside Water, DebugGUIScale)

This migration might take time as even though the process is easy, it is very taxing to do.

That's all, thank you for using OfflineLAN!

1.1.1Релиз1.21.8, 1.21.9, 1.21.10 · 27 ноября 2025 г.

Small compatibility fixes

  • Mod's java target is now 17 to be compatible with stock 1.19.x-1.20.x installs
1.1Релиз1.21.6, 1.21.7, 1.21.8 · 18 июня 2025 г.

There might be a mixin inject overlook causing the onlineMode Setting to not be set during open to LAN.

i have changed the inject signature, and also adding a logger as a silent feedback like this:

Replace this with a description

If you've tried this mod before and it doesnt work, give it another try! (hopefully it works this time)

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