Menu

mod

Thin AirMinecraft mod for 1.20.4

The air is not always breathable in the depths of the earth and other dimensions.

client and servernewest supported release 1.20.4AdventureGame Mechanics
Latest version
v8.1.7-1.20.1-Fabric
Minecraft
1.19.2 to 1.20.4
Java
Java 17+
Loaders
NeoForge, Fabric, Forge
Licence
MIT
Downloads
196.9k
Updated
16 mo ago
Available on
Modrinth
Space NodeOur hosting

Host Thin Air servers

One click and Thin Air is installed with the right loader, on hardware built for it.

  • 1.20.4
  • NeoForge
  • Fabric
  • Forge
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

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

Other mods
MinecraftThroughJavaEvidenceReleased
1.20.4NeoForge, Fabric, Forge17+declared7 Dec 2023
1.20.1Forge, Fabric, NeoForge17+declared12 Jun 2023
1.19.2Fabric, NeoForge, Forge17+declared5 Aug 2022

Download

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

For Minecraft 1.20.4

Choose the loader you use before downloading.

  • NeoForge

    v20.4.2-1.20.4-NeoForge · 14 Feb 2024 · ThinAir-v20.4.2-1.20.4-NeoForge.jar

    Get NeoForge

  • Forge

    v20.4.2-1.20.4-Forge · 14 Feb 2024 · ThinAir-v20.4.2-1.20.4-Forge.jar

    Get Forge

  • Fabric

    v20.4.2-1.20.4-Fabric · 14 Feb 2024 · ThinAir-v20.4.2-1.20.4-Fabric.jar

    Get Fabric

Most recently published release

v8.1.7-1.20.1-Fabricrelease17 Jul 2025

ThinAir-v8.1.7-1.20.1-Fabric.jar · 0.2 MB · for 1.20.1 · Fabric

Download this release
85de8d2d7026…
Older versions24
  • v8.1.7-1.20.1-Forge17 Jul 20251.20.10.2 MB70.9k downloads02625bd1b3b4…Get
  • v8.1.6-1.20.1-Fabric7 Jul 20251.20.10.2 MB270 downloadse145eefee433…Get
  • v8.1.6-1.20.1-Forge7 Jul 20251.20.10.2 MB631 downloads53a9aaec5a03…Get
  • v20.4.2-1.20.4-NeoForge14 Feb 20241.20.40.2 MB481 downloads8242b5b30352…Get
  • v20.4.2-1.20.4-Forge14 Feb 20241.20.40.2 MB509 downloads7455b6ae9fab…Get
  • v20.4.2-1.20.4-Fabric14 Feb 20241.20.40.2 MB1.5k downloadsc79702a2ba1c…Get
  • v20.4.1-1.20.4-NeoForge10 Feb 20241.20.40.2 MB153 downloads76c92044ba75…Get
  • v20.4.1-1.20.4-Forge10 Feb 20241.20.40.2 MB134 downloads82dace1ea3e1…Get
  • v20.4.1-1.20.4-Fabric10 Feb 20241.20.40.2 MB152 downloadsce1c6e5954be…Get
  • v20.4.0-1.20.4-Forge29 Jan 20241.20.40.2 MB167 downloadsae5ff48cbcd5…Get
  • v20.4.0-1.20.4-NeoForge29 Jan 20241.20.40.2 MB150 downloadsa5efd69fe65e…Get
  • v20.4.0-1.20.4-Fabric29 Jan 20241.20.40.2 MB207 downloads097ce814818d…Get
  • v8.1.5-1.20.1-Fabric29 Jan 20241.20.10.2 MB45.0k downloads9c0ee3cecf10…Get
  • v8.1.5-1.20.1-Forge29 Jan 20241.20.10.2 MB65.4k downloadsa0ff9cf58626…Get
  • v8.1.3-1.20.1-Fabric24 Jan 20241.20.10.2 MB1.3k downloads73326c93c710…Get
  • v8.1.3-1.20.1-Forge24 Jan 20241.20.10.2 MB476 downloads8ab72543a3b9…Get
  • v8.1.2-1.20.1-Fabric6 Nov 20231.20.10.2 MB188 downloads3370c448c53a…Get
  • v8.1.2-1.20.1-Forge6 Nov 20231.20.10.2 MB173 downloads91346002a143…Get
  • v8.1.1-1.20.1-Forge6 Nov 20231.20.10.2 MB193 downloads16105e097d19…Get
  • v8.1.1-1.20.1-Fabric6 Nov 20231.20.10.2 MB160 downloads2cab9c6a07ad…Get
  • v4.0.1-1.19.2-Forge5 Nov 20231.19.20.2 MB2.8k downloads38728693d424…Get
  • v8.1.0-1.20.1-Forge5 Nov 20231.20.10.2 MB148 downloads670a6eb26dc2…Get
  • v8.0.0-1.20.1-Fabric27 Jun 20231.20.10.2 MB602 downloads67ab10e32e17…Get
  • v8.0.0-1.20.1-Forge27 Jun 20231.20.10.2 MB326 downloadsfea5a440fb26…Get

Frequently asked

Does Thin Air work on Minecraft 1.20.4?

Yes. 1.20.4 is the newest Minecraft version Thin Air 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 Thin Air support?

Everything the author has declared, from 1.19.2 up to 1.20.4. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Thin Air 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 Thin Air 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 Thin Air?

Among the supported Minecraft releases above, the highest recorded requirement is Java 17 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.

What licence is Thin Air 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 Thin Air?

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 Thin Air 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. When available, recorded download links go to the source for that release; verify the publisher, filename and any available checksum before running it.

Works on the same versions

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

GeckoLibA 3D animation library for entities, blocks, items, armor, and more!BookshelfAn open source library for other mods!Cloth Config API (Fabric/Forge/NeoForge)Config Screen API for MinecraftJourneyMapReal-time map used for mapping in-game or your browser as you explore.Architectury APIAn intermediary api aimed to ease developing multiplatform mods.Enchantment DescriptionsAdds in-game descriptions for enchantments to tooltips.

Details from Modrinth, where the author last updated it on 17 Jul 2025. We do not host files or republish descriptions. Available download links point to the author’s own release.

Is this information wrong or missing something? .