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Modrinth · Minecraft mod
Server I18n API
Server side standalone i18n system, for server side only mods.
Choose a version Pick your version below, then grab the matching file.
Quick answer
Which Server I18n API release matches 1.21.9 NeoForge?
Best match for your filters 1.5.2-1.21.10-neoforge
Game version 1.21.4, 1.21.5, 1.21.6
Loader NeoForge
Server I18n API 1.5.2-1.21.10-neoforge targets 1.21.4, 1.21.5, 1.21.6 with NeoForge. Do not install it on the client. It must be installed on the dedicated server. No extra mods listed for this file.
Where it goes
Is Server I18n API required on the client, server, or both?
Do not install it on the client. It must be installed on the dedicated server.
Client Not supported
Dedicated server Required
Loader for this release NeoForge
Required install it here Optional supported, not mandatory Not supported do not install here Source doesn’t say do not assume
This file is marked server-only.
What else does Server I18n API 1.5.2-1.21.10-neoforge need?
1.5.2-1.21.10-neoforge on 1.21.9 NeoForge. Every mod below is checked against that same setup.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add Server I18n API without breaking your instance.
Built for Server I18n API 1.5.2-1.21.10-neoforge on 1.21.9 NeoForge. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 1.5.2-1.21.10-neoforge. It targets 1.21.4, 1.21.5, 1.21.6 with NeoForge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
Do not install it on the client. It must be installed on the dedicated server.
- 04
Pick the file you checked
Use the “Get this file” button beside 1.5.2-1.21.10-neoforge. It opens that exact file at the source.
About this project
What does Server I18n API add?
Server I18n API
This is a server side only mod to provide i18n for server side only mods.
Language detection is automatically so players don't need to do anything.
This mod is not needed on client
Guide for developers
You need to put language jsons in data/<mod id>/lang/, in vanilla assets pack format.
The only API is ServerI18n class.
Examples:
Text.literal(ServerI18n.translate(player,"translation key","arg1","arg2"))
ServerI18n.broadcast(server,"translation key","arg1","arg2")
Project description from Modrinth.
Pick your setup
Server I18n API by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
Minecraft version
26.1.2
2 loader buildsMinecraft version
26.1.1
2 loader buildsMinecraft version
26.1
2 loader buildsMinecraft version
1.21.11
2 loader buildsMinecraft version
1.21.10
2 loader buildsMinecraft version
1.21.9
2 loader buildsMinecraft version
1.21.8
2 loader buildsMinecraft version
1.21.7
2 loader buildsMinecraft version
1.21.6
2 loader buildsMinecraft version
1.21.5
2 loader buildsMinecraft version
1.21.4
2 loader buildsShowing the newest 12 of 28 game versions. Older files are in the list below.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Server I18n API versions and loaders
1.5.2-1.21.10-neoforge
server_i18n_api-1.5.2-1.21.10-neoforge.jar
26 Jun 2026
Client Not supported Server Required Dependencies No extras listed Listed on Release listing
Check the 1.21.9 · NeoForge setup 1.21.41.21.51.21.61.21.7 release
1.5.1-1.21.10-neoforge
server_i18n_api-1.5.1-1.21.10-neoforge.jar
11 Mar 2026
Client Not supported Server Required Dependencies No extras listed Listed on Release listing
Check the 1.21.9 · NeoForge setup 1.21.91.21.10NeoForge release
1.5-1.21.10-neoforge
server_i18n_api-1.5-1.21.10-neoforge.jar
11 Mar 2026
Client Not supported Server Required Dependencies No extras listed Listed on Release listing
Check the 1.21.9 · NeoForge setup 1.21.91.21.10NeoForge release
1.4.2-1.21.10-neoforge
server_i18n_api-1.4.2-1.21.10-neoforge.jar
26 Jan 2026
Client Not supported Server Required Dependencies No extras listed Listed on Release listing
Check the 1.21.9 · NeoForge setup 1.21.91.21.10NeoForge release
Looking for an older file? The official Modrinth project page is in Resources.
