CurseForge · Minecraft mod
I'm Fast
A mod to remove minecraft moved too quickly! and moved wrongly (speed limits)
Quick answer
Which I'm Fast release should I use?
I'm Fast imfast-NEOFORGE-1.21.1-1.0.3.jar targets 1.21.1 with NeoForge. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.
Where it goes
Is I'm Fast required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does I'm Fast imfast-NEOFORGE-1.21.1-1.0.3.jar need?
imfast-NEOFORGE-1.21.1-1.0.3.jar. Change the file and its required mods may change too.
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 I'm Fast without breaking your instance.
Built for I'm Fast imfast-NEOFORGE-1.21.1-1.0.3.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use imfast-NEOFORGE-1.21.1-1.0.3.jar. It targets 1.21.1 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
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside imfast-NEOFORGE-1.21.1-1.0.3.jar. It opens that exact file at the source.
About this project
What does I'm Fast add?
This mod it's a modern solution to remove minecraft "moved too quickly" and "moved wrongly" using mixin
This mod allows you to move faster beyond the limits of vanilla
This mod is server side is not required in the client
if you want a port for a version/loader just open a github issue with the port label
just copy and paste into the server mods folder and it's done
Thanks for ATMTEAM for adding my mod into ATM10
Project description from CurseForge.
Pick your setup
I'm Fast by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
26.1.2
2 loader builds26.1.1
2 loader builds26.1
2 loader builds1.21.11
3 loader builds1.21.10
3 loader builds1.21.9
3 loader builds1.21.8
3 loader builds1.21.7
3 loader builds1.21.6
3 loader builds1.21.5
3 loader builds1.21.4
3 loader buildsShowing the newest 12 of 18 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
I'm Fast versions and loaders
imfast-NEOFORGE-1.21.1-1.0.3.jar
27 Aug 2026
imfast-FABRIC-26.2-1.0.3.jar
2 Jul 2026
imfast-NEOFORGE-26.2-1.0.3.jar
2 Jul 2026
imfast 26.1.2 Fabric-1.0.3
imfast 26.1.2 Fabric-1.0.3.jar
16 Apr 2026
imfast-NEOFORGE-26.1.2-1.0.3.jar
16 Apr 2026
imfast-NEOFORGE-26.1.1-1.0.3.jar
3 Apr 2026
imfast-FABRIC-26.1.1-1.0.3.jar
3 Apr 2026
imfast-FABRIC-26.1-1.0.3.jar
3 Apr 2026
imfast-NEOFORGE-26.1-1.0.3.jar
3 Apr 2026
imfast-FORGE-1.21.11-1.0.3
imfast-FORGE-1.21.11-1.0.3.jar
21 Dec 2025
imfast-NEOFORGE-1.21.11-1.0.3
imfast-NEOFORGE-1.21.11-1.0.3.jar
21 Dec 2025
imfast-FABRIC-1.21.11-1.0.3
imfast-FABRIC-1.21.11-1.0.3.jar
21 Dec 2025
Looking for an older file? The official CurseForge project page is in Resources.