A customizable flashlight shader. A vanilla like pack by Kefirchik_ featuring atmosphere, tuned for potato-tier hardware and better. Compatible with Iris and OptiFine across Minecraft 1.19 – 1.21.11. Licensed MIT, so the download is mirrored right here on MineSpecs — no ads, no redirects.

How to install Kefir's Flashlight

1. 1Install a shader loader for Minecraft 1.19 – 1.21.11 — Iris (pairs with Sodium) or OptiFine. Kefir's Flashlight is a shaderpack, so it needs a loader to run.
2. 2Download the Kefir's Flashlight .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 Kefir's Flashlight.

First time? How to install Minecraft shaders

Performance & what to expect

Kefir's Flashlight is rated potato performance impact. It is the lightest tier in the catalogue — it runs on integrated graphics and older laptops. It renders atmosphere. The look is vanilla like.

More vanilla like shaders

Dynamic Light ShaderLow impact · by quillphenChippa256 shaderMedium impact · by mewshadersColor Splash ShadersPotato impact · by slinkLegacy Console Edition ShadersPotato impact · by TigrePlayzAerie ShadersPotato impact · by ambrosiaNightBloomMedium impact · by Silly_Lily

Kefir's Flashlight is created by Kefirchik_ and mirrored here under its MIT licence. MineSpecs is an unofficial fan project and is not affiliated with Kefirchik_, Mojang Studios or Microsoft.