Lag Generator allows you to generate two types of lag: server tick lag (either or both of the pre- and post- tick), and entity tick lag.
It is controlled via game rules as outlined in the readme.
Patreon & Discord
You can support me on Patreon!
All support for this mod is available on my Discord. You can also keep up with what I'm doing and get notifications streams! For all other support, please click on "Issues" at the top of this page.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
Verified by MCModsHub
- Ships as laggenerator-fabric-1.21-0.0.0.3.jar — drop this file into the mods folder
- Download size: 15 KB
- Download link checked 9 Sept 2026 — working
These come from our own check of the pack file, not from the source page.