This shader adds focus blur, motion blur and liquid distortion. Made by Quiet_Kid123, it leans vanilla-like. It runs on Minecraft 1.21.11 – 1.21.11 via Iris or OptiFine. Licensed MIT, so the download is mirrored right here on MineSpecs — no ads, no redirects.

How to install Refractal

1. 1Install a shader loader for Minecraft 1.21.11 — Iris (pairs with Sodium) or OptiFine. Refractal is a shaderpack, so it needs a loader to run.
2. 2Download the Refractal .zip from the button above — keep it zipped. It is mirrored on MineSpecs, so there is no ad-gate or redirect.
3. 3Drop the .zip into your .minecraft/shaderpacks folder (%appdata%\.minecraft\shaderpacks on Windows, ~/Library/Application Support/minecraft/shaderpacks on macOS).
4. 4Launch the game, open Options → Video Settings → Shaders, and select Refractal.

First time? How to install Minecraft shaders

Performance & what to expect

Quiet_Kid123 gives Refractal no performance rating, so check your frame rate at your usual render distance.

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Refractal is created by Quiet_Kid123 and mirrored here under its MIT licence. MineSpecs is an unofficial fan project and is not affiliated with Quiet_Kid123, Mojang Studios or Microsoft.