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ZSTDNETMinecraft mod for 1.21.1

Use ZSTD to compress and relay traffic between the client and server, aiming to reduce public bandwidth usage in high-redundancy data scenarios.

newest supported 1.21.1Server UtilityPerformance
Latest version
zstdnet-1.20.1-neoforge-1.4.7.jar
Minecraft
1.20.1 to 1.21.1
Java
Java 21+
Loaders
NeoForge, Fabric, Forge
Licence
not stated
Downloads
27.1k
Updated
2 mo ago
Available on
CurseForge

Screenshots

Click a screenshot to open it. Screenshots are served from the author’s own host and belong to them.

Minecraft versions

Every version ZSTDNET declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.1NeoForge, Fabric, Forge21+declared8 Aug 2024
1.20.1NeoForge, Fabric, Forge17+declared12 Jun 2023

Download

From ZSTDNET’s own host. Nothing is re-hosted here.

All 40 releases
zstdnet-1.20.1-neoforge-1.4.7.jarrelease16 Jul 2026

zstdnet-1.20.1-neoforge-1.4.7.jar · 8.3 MB · for 1.20.1

Download latest
4361b55257bc…
Older versions24
  • zstdnet-1.20.1-fabric-1.4.7.jar16 Jul 20261.20.18.3 MB2 downloads6c3c18d378b4…Get
  • zstdnet-1.20.1-forge-1.4.7.jar16 Jul 20261.20.18.3 MB2 downloads68f97118c6a7…Get
  • zstdnet-1.21.1-neoforge-1.4.7.jar16 Jul 20261.21.18.3 MB2 downloads11d6c086c649…Get
  • zstdnet-1.21.1-fabric-1.4.7.jar16 Jul 20261.21.18.3 MB2 downloadsa0a84ae7b037…Get
  • zstdnet-1.21.1-fabric-1.4.6.jar29 Jun 20261.21.18.3 MB61 downloadsdae8e330e890…Get
  • zstdnet-1.21.1-neoforge-1.4.6.jar29 Jun 20261.21.18.2 MB59d55030b0bc…Get
  • zstdnet-1.20.1-neoforge-1.4.6.jar29 Jun 20261.20.18.2 MB5abf6ea17775…Get
  • zstdnet-1.20.1-fabric-1.4.6.jar29 Jun 20261.20.18.2 MB351ba012df3f…Get
  • zstdnet-1.20.1-forge-1.4.6.jar29 Jun 20261.20.18.2 MBb3652980e673…Get
  • zstdnet-1.20.1-neoforge-1.4.5.jar27 Jun 20261.20.18.2 MB19 downloadsff9fd60b4da1…Get
  • zstdnet-1.20.1-forge-1.4.5.jar27 Jun 20261.20.18.2 MBbaf23674bcb7…Get
  • zstdnet-1.20.1-fabric-1.4.5.jar27 Jun 20261.20.18.2 MBd4f52bdcc27d…Get
  • zstdnet-1.21.1-neoforge-1.4.5.jar27 Jun 20261.21.18.2 MB13a146b3c313…Get
  • zstdnet-1.21.1-fabric-1.4.5.jar27 Jun 20261.21.18.2 MBe25b9d206ff2…Get
  • zstdnet-1.21.1-fabric-1.4.4.jar26 Jun 20261.21.18.2 MB6 downloads32df67a4a5f3…Get
  • zstdnet-1.21.1-neoforge-1.4.4.jar26 Jun 20261.21.18.2 MB3f1767d3f9da…Get
  • zstdnet-1.20.1-fabric-1.4.4.jar26 Jun 20261.20.18.2 MBf11b65198cba…Get
  • zstdnet-1.20.1-forge-1.4.4.jar26 Jun 20261.20.18.2 MB71dd2f9c1e3e…Get
  • zstdnet-1.20.1-neoforge-1.4.4.jar26 Jun 20261.20.18.2 MB52b4134ecd5e…Get
  • zstdnet-1.20.1-neoforge-1.4.3.jar24 Jun 20261.20.18.2 MB14 downloads734ca98d86f3…Get
  • zstdnet-1.20.1-forge-1.4.3.jar24 Jun 20261.20.18.2 MB2761844a554b…Get
  • zstdnet-1.20.1-fabric-1.4.3.jar24 Jun 20261.20.18.2 MB76d9dbe3d683…Get
  • zstdnet-1.21.1-fabric-1.4.3.jar24 Jun 20261.21.18.2 MB805f342af16e…Get
  • zstdnet-1.21.1-neoforge-1.4.3.jar24 Jun 20261.21.18.2 MBab7a08f792e0…Get

Frequently asked

Does ZSTDNET work on Minecraft 1.21.1?

Yes. 1.21.1 is the newest Minecraft version ZSTDNET declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Which Minecraft versions does ZSTDNET support?

Everything the author has declared, from 1.20.1 up to 1.21.1. The full list is in the table above, with the Java runtime each version needs next to it.

Which platform or loader does ZSTDNET support?

NeoForge, Fabric, Forge. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for ZSTDNET?

On the newest Minecraft version it supports, Java 21 or newer. The requirement comes from the Minecraft version you run rather than from the mod itself, so on an older supported Minecraft the answer is that version's Java, not this one.

How do I install ZSTDNET?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.

Where do I download ZSTDNET safely?

Start with the author's page on CurseForge, which is where the data here is synced from. MCReference does not host or repackage files. The download link goes to the source recorded for that release; verify the publisher, filename and checksum before running it.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

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Last checked 2 mo ago against CurseForge. We do not host files and we do not republish descriptions; every download link points at the author’s own release.

Is this information wrong or missing something? .