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Entity Desync ViewerMinecraft mod for 1.21.8

Render server-side hitboxes to see potential desync

client and servernewest supported 1.21.8Utility
Latest version
1.0.3+1.21.5
Minecraft
1.21 to 1.21.8
Java
Java 21+
Loader
Fabric
Licence
MIT
Downloads
10.7k
Updated
18 mo ago
Available on
Modrinth
Space NodeOur hosting

Host Entity Desync Viewer servers

One click and Entity Desync Viewer is installed with the right loader, on hardware built for it.

  • 1.21.8
  • Fabric
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Screenshots

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

Minecraft versions

Every version Entity Desync Viewer declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.8Fabric21+declared17 Jul 2025
1.21.7Fabric21+declared30 Jun 2025
1.21.6Fabric21+declared17 Jun 2025
25w14craftmineFabric21+declared1 Apr 2025
1.21.5Fabric21+declared25 Mar 2025
1.21.4Fabric21+declared3 Dec 2024
1.21.3Fabric21+declared23 Oct 2024
1.21.2Fabric21+declared22 Oct 2024
1.21.1Fabric21+declared8 Aug 2024
1.21.1-rc1Fabric21+declared7 Aug 2024
1.21Fabric21+declared13 Jun 2024

Download

From Entity Desync Viewer’s own host. Nothing is re-hosted here.

1.0.3+1.21.5release6 Apr 2025

entity-desync-viewer-1.0.3+1.21.5.jar · 42 KB · for 1.21.8, 1.21.7, 1.21.6, 25w14craftmine, 1.21.5

Download latest
f4eaf28dd43f…
Older versions4
  • 1.0.2+1.21.218 Nov 20241.21.4, 1.21.3, 1.21.242 KB2.5k downloadsceb9799259d9…Get
  • 1.0.2+1.2118 Nov 20241.21.1, 1.2142 KB3.4k downloadsfeae9e4a26b9…Get
  • 1.0.123 Oct 20241.21.3, 1.21.242 KB202 downloads24d0b2bf27c8…Get
  • 1.0.05 Aug 20241.21.1, 1.21.1-rc1, 1.2142 KB761 downloads9978fb780cc7…Get

Frequently asked

Does Entity Desync Viewer work on Minecraft 1.21.8?

Yes. 1.21.8 is the newest Minecraft version Entity Desync Viewer 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 Entity Desync Viewer support?

Everything the author has declared, from 1.21 up to 1.21.8. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Entity Desync Viewer on the client or the server?

Both. Every player needs it installed and so does the server, so anyone joining without it will be refused.

Which platform or loader does Entity Desync Viewer support?

Fabric. 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 Entity Desync Viewer?

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.

What licence is Entity Desync Viewer under?

MIT, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install Entity Desync Viewer?

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 Entity Desync Viewer safely?

Start with the author's page on Modrinth, 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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Details from Modrinth, where the author last updated it on 6 Apr 2025. 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? .