ModsJava
Yttrium
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
An assortment of tweaks and features such as larger player list, flipping entities upside down, giving them big 'ol ears and much more.
⬇ Download on Modrinth
Yttrium is the merging of many of my mods including Amanita, Yttrium (the old one), Tabby, SpectatorCrosshair, NullMovement and more.
There are many random settings I think you will love, view the gallery to have a look at some images.
Current features:
- Flip Entities
- Flip Self
- Flip Others
- Flip Mobs
- deadmau5 Ears
- Give yourself or other players deadmau5's ears
- Modify Stars
- Change the random seed used to generate stars
- Change the number of stars in the sky
- Player List HUD
- Modify the max entries
- Modify the max rows
- Change the header and footer, supports minimessage or removing it with "null"
- Crosshair
- Render crosshair in spectator
- Change crosshair in debug menu to have the correct blue colour
- Hotbar
- Render your total experience points next to your level
- Misc
- Modify your client brand sent to servers
- Remove fishing bobbers client-side that obstruct your vision
- Prevent movement blocking that occurs when holding opposing movement keys (i.e. W and S, or A and D)
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.7
- 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.
File checked by MCModsHub
- Ships as Yttrium-1.21.7-0.1.3.jar — drop this file into the mods folder
- Download size: 958 KB
- Download link checked 12 Oct 2026 — working
These come from our own check of the pack file, not from the source page.