Cyanide ShadersShaders · 1.12 – 1.21Vanilla+ Shader, that supports Optifine and Iris Barely affects performance
Free159,112 downloads
Anti-aliasing (SMAA) and sharpening for vanilla or Iris
Opens Modrinth · 31,058 downloads there
Anti-aliasing (SMAA) and sharpening for vanilla or Iris
Grindstone is a shader pack made by Luracasmus. It supports Minecraft 1.20 – 26.x. It has been downloaded 31,058 times on Modrinth. The last update came out on Oct 11, 2026.
Grindstone has had 13 releases on Modrinth since Dec 1, 2024. 6 of them came out in the past year. The newest is 2.0.1+93.0-100.0, released on Oct 11, 2026. It is made for Minecraft 26.3. It runs on Minecraft. The download is 42 KB.
| Version | Released | Minecraft | Type |
|---|---|---|---|
2.0.1+93.0-100.0 | Oct 11, 2026 | 26.3 | Release |
2.0.0+93.0-97.1 | Sep 15, 2026 | 26.3 | Release |
2.0.0-beta.1+93.0-94.0 | Jul 29, 2026 | – | Beta |
2.0.0-beta.0+91.0-92.0 | Jul 21, 2026 | – | Beta |
2.0.0-beta.0+91.0-91.0 | Jul 14, 2026 | – | Beta |
Grindstone is open source. Its newest release on GitHub is v2.0.1+93.0-100.0, published on Oct 11, 2026.
-
Updated and increased maximum supported pack format to 100.0
-
Removed use of extension-provided trinary min/max-operations (fixes compilation failing with some NVIDIA graphics drivers (#14))
Before that: v2.0.0+93.0-97.1 (Sep 15, 2026), v2.0.0-beta.1+93.0-94.0 (Jul 29, 2026).
A Vanilla shader resource pack implementing anti-aliasing and sharpening using the end-of-frame post effect added in Minecraft 26.3 Snapshot 3. The technique is a modified Enhanced Subpixel Morphological Antialiasing 1x followed by a modified FidelityFX Contrast Adaptive Sharpening 1.2.
The shaders require graphics drivers with support for GLSL 4.40. If you have a decently modern non-macOS device, it probably supports this, but you might have to update your graphics drivers. If support is missing, the pack will fail to load.
When Minecraft is using the Vulkan graphics API, the shaders may use lower precision math to improve performance. The behavior of this feature depends on your GPU and graphics drivers. Try switching graphics API if you're experiencing issues with the shaders, and please report them on the issue tracker.
All configurable options are located in assets/grindstone/shaders/include/config.glsl inside the resource pack,
and can be modified with a text editor. The changes are applied when the pack is reloaded.
Versions older than v2.0 are written as Iris shader packs rather than vanilla resource packs, and can be used with some Minecraft versions older than 26.3. They only implement SMAA 1x, with no sharpening, and re-implement vanilla-like rendering using code from Base-460C.
If you have a decently modern non-macOS device it probably supports everything you need, but you might have to update your Iris and graphics drivers
Written by Luracasmus. Read it with pictures on Modrinth.
Install Iris (with Sodium) or OptiFine for your Minecraft version: shaders need one of them.
Download the .zip file from Modrinth. Do not unzip it.
In Minecraft, open Options, then Video Settings, then Shader Packs, and click Open Shader Pack Folder.
Drop the .zip file into that folder, pick Grindstone in the list and click Done.
Shaders are heavy on the graphics card. If the game gets slow, pick a lower profile in the shader settings.
| Resource | Downloads | Versions | Last update | Price |
|---|---|---|---|---|
| Grindstonethe one you looked at | 31K | 1.20 – 26.x | Oct 11, 2026 | Free |
| Cyanide Shadersmlgimposter | 159K | 1.12 – 1.21 | Jan 21, 2023 | Free |
 TAA Project1xayd1 | 140K | 1.16 – 26.x | 25 days ago | Free |
 Anti AliasingLoLip_p | 70K | 1.8 – 26.x | 13 days ago | Free |
Yes. Grindstone supports Minecraft 26.x. All supported versions: 26.x, 1.21, 1.20.
Yes. Grindstone is free to download from Modrinth.
Yes. The last update came out in the past day.
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