Hardness Patch
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
⬇ Download on ModrinthAllows users to adjust the hardness values of all blocks (modded and vanilla) using their block ID and a float value.
THIS MOD MUST BE ON BOTH THE SERVER AND THE CLIENT!
Uses a convenient configuration screen using Cloth Config API. Alternatively, you can edit hardnesspatch.json5.
Changes made to the config should apply immediately without reloading the world/game. Requires Cloth Config API and Mod Menu
This mod does not seem to work properly in Essential multiplayer. Hopefully I can fix this sometime soon.
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.4
- 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.
- Ships as 1.21.4-hardnesspatch-1.2.1.jar — drop this file into the mods folder
- Download size: 1.1 MB
- Download link checked 6 Nov 2026 — working
These come from our own check of the pack file, not from the source page.