Fast
Highest gameplay performance
LATEST VERSION · May 23, 2026
Sildur's Basic Shaders 2.6
Small, fast shader presets for color, shadows, depth of field, or motion blur.
Choose a preset
DOWNLOAD BASIC SHADERS
Select the right preset
All files below are author-published Modrinth CDN files. The 15-second check shows the exact filename before redirecting.
Fancy
Best all-around Basic preset
DoF
Depth-of-field screenshots
Motion Blur
Smooth cinematic movement
What is Sildur's Basic Shaders?
Basic is the lightest Sildur family and changes fewer parts of the rendering pipeline. Its tiny ZIP files are expected: shader code and presets do not need large texture assets.
Best for: Low-end PCs, high-FPS gameplay, older Minecraft versions, or players who want one focused effect rather than a full cinematic overhaul.
What you need: Minecraft Java Edition with Iris or OptiFine. The Motion Blur and DoF builds are specialist choices; use Fast or Fancy for normal gameplay.
What this version includes
- Very small download size
- Fast and Fancy general presets
- Dedicated depth-of-field build
- Dedicated motion-blur build
- Voxy support
- Minecraft 1.7.10 through current releases
PRESET GUIDE
How to choose Sildur's Basic Shaders
Sildur's Basic Shaders offers two everyday presets and two effect-specific builds. Fast is the performance-first option and the best diagnostic download. Fancy is the normal upgrade when Fast runs comfortably. DoF adds depth of field for screenshots or controlled camera work, while Motion Blur changes the appearance of movement. DoF and Motion Blur are alternatives, not a combined premium tier.
Start with Fast in a real survival area at the resolution and render distance you normally use. If frame time remains steady, try Fancy. Use the specialist ZIPs only after deciding that depth of field or motion blur is part of the result you want. Sildur's Basic Shaders is intentionally small and focused; adding every possible effect would work against its main advantage.
This family also helps isolate compatibility problems. If Basic Fast fails in a clean loader profile, the problem is more likely to involve the loader, Minecraft version, Java runtime, GPU driver, or another rendering mod. If Basic works but a heavier pack does not, performance limits or a specific advanced effect become more likely.
PERFORMANCE
Best settings for Sildur's Basic Shaders
Change one setting category at a time. First lower shadow resolution or shadow quality, because shadows affect a large part of the scene. Next reduce volumetric lighting, clouds, reflections, or ambient effects if the preset exposes them. Finally adjust Minecraft render distance and the distance used by Distant Horizons. Changing everything together may raise FPS, but it prevents you from learning which option caused the slowdown.
Measure performance in the same location, weather, time of day, and camera direction. Let chunks finish loading before comparing results. Average FPS alone is not enough: short stalls while turning, entering a new biome, or looking across water are important. Leave some GPU headroom for chunk uploads, recording software, browsers, and modded interfaces instead of tuning Sildur's Basic Shaders to use every available resource in a quiet scene.
Display resolution has a direct effect on shader workload. A laptop at 2560 x 1600 can be more demanding than a desktop at 1920 x 1080 even when the desktop has a larger monitor. If the selected preset is almost smooth, lowering render scale or resolution may preserve more of its lighting character than disabling several effects separately.
INSTALL & UPDATE
Install Sildur's Basic Shaders without extracting it
Download one ZIP from the preset list, then open Minecraft through the profile that contains Iris or OptiFine. Open Video Settings and the Shader Packs or Shaders menu, use the button that opens the shaderpacks folder, and move the ZIP into that folder. Do not extract the archive and do not place it in the resourcepacks or mods folder. Return to Minecraft, select Sildur's Basic Shaders, apply it, and allow the world to reload.
When updating from an older release, keep the previous ZIP until version 2.6 has loaded successfully. The two builds can usually remain beside each other because their filenames include versions or presets. Record custom shader options before replacing a build; a rewrite may rename settings or change defaults. Test the update in the same Minecraft profile before using it across multiple instances.
For file verification, select the matching preset in the SHA-512 panel above and compare it with the result from Get-FileHash on Windows or shasum -a 512 on macOS and Linux. A different hash does not automatically prove malware, but it does mean the file is not byte-for-byte identical to the verified release record. Download it again from the listed Modrinth source before installing.
TROUBLESHOOTING
Fix common Sildur's Basic Shaders problems
The pack is missing
Confirm that the ZIP is directly inside .minecraft/shaderpacks and that Minecraft is running through Iris or OptiFine. An archive nested inside another folder will not appear. The pack also will not show in the resource-pack menu.
The world is black or broken
Update the GPU driver, match the loader to the exact Minecraft version, and test Sildur's Basic Shaders in a clean profile. Disable other renderer modifications before assuming the ZIP is damaged. Review the current known issues in the changelog.
FPS is lower than expected
Test a lighter preset, reduce shadow resolution, and lower render distance. Close overlays and recording tools for comparison. If Minecraft uses integrated graphics instead of the dedicated GPU, correct the operating-system graphics preference first.
QUESTIONS
Sildur's Basic Shaders FAQ
Is Sildur's Basic Shaders free to download?
Yes, the listed files can be downloaded without payment from the author's Modrinth CDN. Free access does not change the All Rights Reserved license, so the files should not be repackaged or redistributed without permission.
Does Sildur's Basic Shaders work with Iris?
The current release lists Iris as a supported loader. Use an Iris build compatible with your Minecraft version, and test a clean Iris and Sodium profile when another rendering mod causes visual errors.
Can I use Sildur's Basic Shaders with OptiFine?
Yes. Match OptiFine to the exact Minecraft Java version. Vibrant release notes mention that fog can look denser in OptiFine than Iris, and older Minecraft releases may lack newer transparency features.
Does Sildur's Basic Shaders support Distant Horizons or Voxy?
Current release information lists Distant Horizons and Voxy support. Compatibility still depends on using suitable versions together, and the distant renderer adds its own GPU and memory cost.
Can Sildur's Basic Shaders be used in Minecraft Bedrock?
No. This ZIP targets Minecraft Java Edition shader loaders. Bedrock uses a different rendering and add-on system, so copying the archive into a Bedrock resource-pack folder will not install it.
VERSION NOTES
What's new in 2.6
- Adds Voxy, Minecraft 1.21.11, and Minecraft 26.1 support.
- Adds tinted-glass support.
- Fixes the sky horizon, block selection outline, and newer Iris End-sky behavior.
- Reworks fog rendering to cover twelve years of Minecraft Java versions.
Release information checked against Modrinth on July 10, 2026. For older builds, use the project version history on Modrinth.